WO2006057422A1 - 半導体積層基板、その製造方法及び発光素子 - Google Patents
半導体積層基板、その製造方法及び発光素子 Download PDFInfo
- Publication number
- WO2006057422A1 WO2006057422A1 PCT/JP2005/021936 JP2005021936W WO2006057422A1 WO 2006057422 A1 WO2006057422 A1 WO 2006057422A1 JP 2005021936 W JP2005021936 W JP 2005021936W WO 2006057422 A1 WO2006057422 A1 WO 2006057422A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- inorganic particles
- semiconductor
- semiconductor layer
- multilayer substrate
- semiconductor multilayer
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 191
- 239000000758 substrate Substances 0.000 title claims abstract description 135
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 239000010954 inorganic particle Substances 0.000 claims abstract description 118
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 91
- 239000002245 particle Substances 0.000 claims abstract description 78
- 150000004767 nitrides Chemical class 0.000 claims abstract description 65
- 239000002184 metal Substances 0.000 claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims abstract description 28
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 26
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 10
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 8
- JNDMLEXHDPKVFC-UHFFFAOYSA-N aluminum;oxygen(2-);yttrium(3+) Chemical compound [O-2].[O-2].[O-2].[Al+3].[Y+3] JNDMLEXHDPKVFC-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910019901 yttrium aluminum garnet Inorganic materials 0.000 claims abstract description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 4
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims abstract description 4
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910001887 tin oxide Inorganic materials 0.000 claims abstract description 4
- 239000011787 zinc oxide Substances 0.000 claims abstract description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract 4
- 239000000395 magnesium oxide Substances 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 21
- 238000002441 X-ray diffraction Methods 0.000 claims description 11
- -1 borides Chemical class 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 9
- 150000002894 organic compounds Chemical class 0.000 claims description 8
- 150000003346 selenoethers Chemical class 0.000 claims description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 229910052582 BN Inorganic materials 0.000 claims description 5
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 5
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 5
- 150000001247 metal acetylides Chemical class 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 5
- 229910052715 tantalum Inorganic materials 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 229910052721 tungsten Inorganic materials 0.000 claims description 5
- 229910052726 zirconium Inorganic materials 0.000 claims description 5
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 238000001451 molecular beam epitaxy Methods 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 238000004528 spin coating Methods 0.000 claims description 3
- 229910052735 hafnium Inorganic materials 0.000 claims description 2
- 238000000927 vapour-phase epitaxy Methods 0.000 claims 2
- 150000003568 thioethers Chemical class 0.000 claims 1
- 229910052720 vanadium Inorganic materials 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 11
- 239000010410 layer Substances 0.000 description 191
- 239000008119 colloidal silica Substances 0.000 description 31
- 239000013078 crystal Substances 0.000 description 19
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 15
- 229910002601 GaN Inorganic materials 0.000 description 14
- 239000000203 mixture Substances 0.000 description 14
- 239000002994 raw material Substances 0.000 description 13
- 239000012159 carrier gas Substances 0.000 description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 7
- 229910021529 ammonia Inorganic materials 0.000 description 7
- 239000001257 hydrogen Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 6
- 239000011575 calcium Substances 0.000 description 6
- 239000011651 chromium Substances 0.000 description 6
- 230000001747 exhibiting effect Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 229910052734 helium Inorganic materials 0.000 description 6
- 239000001307 helium Substances 0.000 description 6
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 6
- 229910052594 sapphire Inorganic materials 0.000 description 6
- 239000010980 sapphire Substances 0.000 description 6
- 150000004763 sulfides Chemical class 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 239000002131 composite material Substances 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 5
- 238000004062 sedimentation Methods 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 238000005253 cladding Methods 0.000 description 4
- 230000005525 hole transport Effects 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 4
- 229910052738 indium Inorganic materials 0.000 description 4
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 4
- 230000001788 irregular Effects 0.000 description 4
- 238000000691 measurement method Methods 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 239000010955 niobium Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 4
- 239000010937 tungsten Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000000635 electron micrograph Methods 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 229910052733 gallium Inorganic materials 0.000 description 3
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 3
- PSCMQHVBLHHWTO-UHFFFAOYSA-K indium(iii) chloride Chemical compound Cl[In](Cl)Cl PSCMQHVBLHHWTO-UHFFFAOYSA-K 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 238000000550 scanning electron microscopy energy dispersive X-ray spectroscopy Methods 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- PFNQVRZLDWYSCW-UHFFFAOYSA-N (fluoren-9-ylideneamino) n-naphthalen-1-ylcarbamate Chemical compound C12=CC=CC=C2C2=CC=CC=C2C1=NOC(=O)NC1=CC=CC2=CC=CC=C12 PFNQVRZLDWYSCW-UHFFFAOYSA-N 0.000 description 2
- RHUYHJGZWVXEHW-UHFFFAOYSA-N 1,1-Dimethyhydrazine Chemical compound CN(C)N RHUYHJGZWVXEHW-UHFFFAOYSA-N 0.000 description 2
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 2
- 229910052580 B4C Inorganic materials 0.000 description 2
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical class C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- 229910052693 Europium Inorganic materials 0.000 description 2
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 239000005083 Zinc sulfide Substances 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- 150000004645 aluminates Chemical class 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 2
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 2
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 description 2
- JGIATAMCQXIDNZ-UHFFFAOYSA-N calcium sulfide Chemical compound [Ca]=S JGIATAMCQXIDNZ-UHFFFAOYSA-N 0.000 description 2
- 238000011088 calibration curve Methods 0.000 description 2
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 2
- 229910003472 fullerene Inorganic materials 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 230000003301 hydrolyzing effect Effects 0.000 description 2
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 2
- 229910001510 metal chloride Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- ZEGFMFQPWDMMEP-UHFFFAOYSA-N strontium;sulfide Chemical compound [S-2].[Sr+2] ZEGFMFQPWDMMEP-UHFFFAOYSA-N 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- 229910052984 zinc sulfide Inorganic materials 0.000 description 2
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 2
- DIIIISSCIXVANO-UHFFFAOYSA-N 1,2-Dimethylhydrazine Chemical compound CNNC DIIIISSCIXVANO-UHFFFAOYSA-N 0.000 description 1
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 1
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- 101100264195 Caenorhabditis elegans app-1 gene Proteins 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 1
- 229920000265 Polyparaphenylene Polymers 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910000086 alane Inorganic materials 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 238000001246 colloidal dispersion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 238000002296 dynamic light scattering Methods 0.000 description 1
- UPWPDUACHOATKO-UHFFFAOYSA-K gallium trichloride Chemical compound Cl[Ga](Cl)Cl UPWPDUACHOATKO-UHFFFAOYSA-K 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 238000007561 laser diffraction method Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- HDZGCSFEDULWCS-UHFFFAOYSA-N monomethylhydrazine Chemical compound CNN HDZGCSFEDULWCS-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen(.) Chemical compound [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 150000003961 organosilicon compounds Chemical class 0.000 description 1
- WCPAKWJPBJAGKN-UHFFFAOYSA-N oxadiazole Chemical group C1=CON=N1 WCPAKWJPBJAGKN-UHFFFAOYSA-N 0.000 description 1
- 229920000553 poly(phenylenevinylene) Polymers 0.000 description 1
- 229920000548 poly(silane) polymer Polymers 0.000 description 1
- 229920000172 poly(styrenesulfonic acid) Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920002098 polyfluorene Polymers 0.000 description 1
- 229940005642 polystyrene sulfonic acid Drugs 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- YBRBMKDOPFTVDT-UHFFFAOYSA-N tert-butylamine Chemical compound CC(C)(C)N YBRBMKDOPFTVDT-UHFFFAOYSA-N 0.000 description 1
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 1
- RGGPNXQUMRMPRA-UHFFFAOYSA-N triethylgallium Chemical compound CC[Ga](CC)CC RGGPNXQUMRMPRA-UHFFFAOYSA-N 0.000 description 1
- OTRPZROOJRIMKW-UHFFFAOYSA-N triethylindigane Chemical compound CC[In](CC)CC OTRPZROOJRIMKW-UHFFFAOYSA-N 0.000 description 1
- MCULRUJILOGHCJ-UHFFFAOYSA-N triisobutylaluminium Chemical compound CC(C)C[Al](CC(C)C)CC(C)C MCULRUJILOGHCJ-UHFFFAOYSA-N 0.000 description 1
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 1
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 1
- IBEFSUTVZWZJEL-UHFFFAOYSA-N trimethylindium Chemical compound C[In](C)C IBEFSUTVZWZJEL-UHFFFAOYSA-N 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/005—Processes
- H01L33/0062—Processes for devices with an active region comprising only III-V compounds
- H01L33/0066—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound
- H01L33/007—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound comprising nitride compounds
-
- H01L21/205—
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/0237—Materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/0242—Crystalline insulating materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02439—Materials
- H01L21/02488—Insulating materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02494—Structure
- H01L21/02513—Microstructure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02538—Group 13/15 materials
- H01L21/0254—Nitrides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/0262—Reduction or decomposition of gaseous compounds, e.g. CVD
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/02636—Selective deposition, e.g. simultaneous growth of mono- and non-monocrystalline semiconductor materials
- H01L21/02639—Preparation of substrate for selective deposition
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/02636—Selective deposition, e.g. simultaneous growth of mono- and non-monocrystalline semiconductor materials
- H01L21/02639—Preparation of substrate for selective deposition
- H01L21/02642—Mask materials other than SiO2 or SiN
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/02636—Selective deposition, e.g. simultaneous growth of mono- and non-monocrystalline semiconductor materials
- H01L21/02647—Lateral overgrowth
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/854—Arrangements for extracting light from the devices comprising scattering means
Definitions
- the present invention relates to a semiconductor laminated substrate used as a semiconductor light emitting device exhibiting high luminance, a manufacturing method thereof, and a light emitting device.
- Semiconductor multilayer substrates are used as semiconductor light-emitting elements such as nitride semiconductor light-emitting elements, high-molecular LEDs, and low-molecular organic LEDs, which are parts of various display devices.
- a nitride semiconductor having a nitride semiconductor layer represented by the formula I n x Ga y A l z N (0 ⁇ x ⁇ l, 0 ⁇ y ⁇ 1> 0 ⁇ z ⁇ 1 x + y + z l)
- Multilayer substrates are used as semiconductor light-emitting elements such as ultraviolet, blue, and green light-emitting diode elements, or ultraviolet, blue, and green laser diode elements, and these semiconductor light-emitting elements improve the performance of display devices. From the viewpoint, high brightness is required. Disclosure of the invention
- An object of the present invention is to provide a semiconductor laminated substrate used as a light emitting device exhibiting high luminance.
- the present invention provides a semiconductor multilayer substrate including a semiconductor layer containing inorganic particles other than metal nitride.
- the present invention also provides a method for producing a semiconductor multilayer substrate, comprising the following steps (a) and (b): To do.
- this invention provides the light emitting element containing the said semiconductor laminated substrate.
- FIG. 1 is a process schematic diagram illustrating a method for manufacturing a nitride semiconductor multilayer substrate.
- FIG. 2 shows a semiconductor multilayer substrate including a low-temperature buffer layer and a facet forming layer.
- Fig. 3 is an electron micrograph of a cross section of the semiconductor laminated substrate.
- Figure 4 shows the relationship between the A 1 composition of the low-temperature buffer layer and the half-width of the peak on the (3 0 2) plane in the X-ray diffraction rocking curve measurement.
- the semiconductor laminated substrate of the present invention includes a semiconductor layer, and usually includes a substrate and a semiconductor layer.
- the semiconductor layer is, for example, a metal nitride, a high molecular organic compound, or a low molecular organic compound.
- the semiconductor layer is a metal nitride
- the semiconductor multilayer substrate is used as a nitride semiconductor light emitting device.
- the semiconductor layer is a high molecular organic compound or a low molecular organic compound
- the semiconductor multilayer substrate is used as a high molecular organic LED or a low molecular organic LED, respectively.
- the composition of the semiconductor layer may be obtained by cutting the semiconductor multilayer element and analyzing the cross section by SEM-EDX.
- Semiconductor layers are, for example, nitride semiconductors such as n-type conductive layers (n-type contact layers, n-type cladding layers, etc.), light-emitting layers, p-type conductive layers (P-type contact layers, p-type cladding layers, etc.) It may contain layers necessary for the operation of the light-emitting elements.
- the semiconductor layer may be, for example, a single layer or multiple layers (thick film layer, superlattice thin film layer, etc.), or a nofer layer to make a layer necessary for the operation of the nitride semiconductor light emitting device a high quality crystal. May be included.
- the semiconductor layer includes inorganic particles other than metal nitride.
- This semiconductor layer may exist between the light emitting layer and the substrate, or may exist on the side facing the light emitting layer with respect to the substrate.
- This semiconductor layer is preferably present between the light emitting layer and the substrate, more preferably present between the light emitting layer and the substrate, and more preferably in contact with the substrate.
- the semiconductor layer preferably has a half-value width FWHM of a diffraction peak of (302) plane by X-ray diffraction rocking curve measurement of 650 arcsec or less.
- Inorganic particles include, for example, oxides, nitrides, carbides, borides, sulfides, selenides, and metals. These contents are usually 50% by weight or more, preferably 90% or more, and more preferably 95% or more with respect to the inorganic particles.
- the composition of the inorganic particles in the semiconductor layer may be obtained by cutting the semiconductor multilayer element and analyzing the cross section by SEM-EDX.
- Examples of the oxide include silica, alumina, zirconia, titania, ceria, zinc oxide, tin oxide, and yttrium aluminum garnet (YAG).
- Examples of the nitride include silicon nitride and boron nitride.
- carbide examples include silicon carbide (S i C), boron carbide, diamond, graphite, and fullerenes.
- Boride is, for example, zirconium boride (Z rB 2 ) or chromium boride (C rB 2 ).
- sulfides are zinc sulfide, cadmium sulfide, calcium sulfide, and strontium sulfide.
- selenides examples include zinc selenide and cadmium selenide.
- Oxides, nitrides, carbides, borides, sulfides, and selenides may be partially substituted with other elements.
- cerium or europium is used as an activator.
- Metals include silicon (S i), nickel (N i), tungsten (W), tantalum (Ta), chromium (C r), titanium (T i), magnesium (Mg), calcium (Ca), Aluminum (A1), gold (Au), silver (Ag), zinc (Zn) can be mentioned.
- Inorganic particles may be used alone or in combination. Examples of combinations include inorganic particles having oxides on nitride particles.
- the inorganic particles are preferably oxides, more preferably silica.
- the inorganic particles preferably include a mask material in the growth of the semiconductor layer, and more preferably have a mask material on the surface thereof.
- the mask material preferably covers 30% or more of the surface of the inorganic particles, and more preferably covers 50% or more.
- Mask materials include, for example, silica, zirconium, titania, silicon nitride, boron nitride, tungsten (W), molybdenum (Mo), chromium (C r), cobalt (Co), silicon (S i), aluminum (A u) ), Zirconium (Zr), tantalum (Ta), titanium (Ti), niobium (Nb), nickel (Ni), platinum (Pt), vanadium (V), hafnium (Hf), palladium ( Pd), preferably silica. These may be used alone or in combination.
- the composition of the inorganic particle mask material may be determined by cutting the semiconductor multilayer element and analyzing the cross section of the inorganic particles by SEM-EDX.
- Inorganic particles are spherical in shape (for example, those having a circular or elliptical cross section), plate-like (for example, those having an aspect ratio LZT of length L to thickness T of 1.5 to 100), needles (For example, the ratio LW of width W to length L is 1.5 to 100) or irregular (including particles of various shapes and irregular in shape as a whole). And preferably spherical.
- the inorganic particles have an average particle size of usually 5 nm or more, preferably 10 nm or more, more preferably 0.1 m or more, and usually 50 m or less, preferably 10 m or less, more preferably 1 m or less.
- a semiconductor layer multilayer substrate serving as a light emitting device exhibiting high luminance can be obtained.
- the shape and average particle size of the inorganic particles are spherical in shape (for example, those having a circular or elliptical cross section), plate-like (for example, those having an aspect ratio LZT of length L to thickness
- the inorganic particles have an emission wavelength of a light emitting element including a semiconductor layer laminated substrate of ⁇ (nm).
- a semiconductor layer laminated substrate of ⁇ (nm).
- the average particle diameter of the inorganic particles is usually 0.01 or more, preferably 0.02 or more, more preferably 0.2 or more, and usually 100 or less, preferably 30. Below, more preferably 3.0 or less.
- the semiconductor layer is a nitride
- the semiconductor laminated substrate is as described in JP-A-6-260682, JP-A-7-15041, JP-A-9-64419, JP-A-9-36430.
- the inorganic particles are in any of the above layers It may be included but is preferably present on the substrate.
- the substrate for example, sapphire, and S i C, S i, MgA 1 2 ⁇ 4, L i T A_ ⁇ 3, Z rB 2, C r B 2, grown gallium nitride, and a nitride semiconductor thereon It is a complex.
- the composite includes, for example, a substrate and a low temperature buffer layer thereon.
- the low temperature buffer layer is, for example, the formula: A l [A is usually 0 or more and 1 or less, preferably 0.5 or less. ] It is represented by.
- the composite may include an InGaAl 1 N layer on the low temperature buffer layer.
- the semiconductor multilayer substrate including a substrate, such as a nitride Gariumu, inorganic particles are arranged on a substrate Therefore, the bonding area between the substrate and the semiconductor layer is small, and inorganic particles are arranged. Compared to a semiconductor laminated substrate that is not, the substrate is easier to peel from the semiconductor layer. The peeling is performed using, for example, a laser or an ultrasonic wave. When peeling the substrate, a conductive substrate or a high thermal conductivity substrate may be bonded to the semiconductor layer before peeling. Further, the semiconductor multilayer substrate may be used after being cut into an appropriate size in order to function as a light emitting element. I: Light emitting element]
- the light emitting device of the present invention includes the above-mentioned semiconductor laminated substrate and an electrode.
- the electrode supplies current to the light emitting layer, and is, for example, a metal such as Au, Pt, or Pd, or ITO.
- the semiconductor layer is a metal nitride, such as an n-type conductive layer (n-type contact layer, n-type clad layer, etc.), a light-emitting layer, a p-type conductive layer (p-type contact layer, p-type clad layer, etc.)
- it includes layers necessary for the operation of the nitride semiconductor light emitting device.
- the light emitting device further includes a single layer or a multilayer (a thick film layer, a superlattice thin film layer, etc.) or a buffer layer for making a layer necessary for the operation of the nitride semiconductor light emitting device a high-quality crystal. But you can.
- a light emitting element whose semiconductor layer is a metal nitride may be manufactured by the method described in Appl. Phys. Lett. Vol. 60, p.
- the semiconductor layer is used as either an electron transport layer or a hole transport layer.
- the light emitting element includes a semiconductor laminated substrate, an electrode, and a light emitting layer.
- the light emitting element includes a substrate, an anode, a hole transport layer, a light emitting layer, an electron transport layer, and a cathode in this order, and further includes an electrode.
- the substrate is usually glass.
- the anode is, for example, ITO.
- the hole transport layer is
- Polyvinylcarbazol or a derivative thereof polysilane or a derivative thereof, a polysiloxane derivative having an aromatic amine compound group in a side chain or a main chain, a polyaniline or a derivative thereof, or a polythiophene or a derivative thereof.
- poly (p-phenylenevinylene), polyfluorene Jpn. J. App 1. Phys. Vol.30, L194K 1999
- polyparaphenylene diene derivatives Advanced Mater. Vol. 4, p.36).
- 1992 triplet light-emitting complexes with iridium as the central metal I r (p py) 3
- the electron transport layer is an oxadiazole derivative, anthraquinodimethane or a derivative thereof, benzoquinone or a derivative thereof, or the like.
- the cathode is preferably made of a material having a low work function, such as lithium, sodium, potassium, rubidium, cesium, beryllium, magnesium, calcium, strontium, barium, and aluminum. Any electrode may be used as long as it supplies current to the light emitting layer.
- a light emitting element in which the semiconductor layer is a high molecular organic compound may be manufactured by the method described in, for example, ature Vol.347, p.539, 1990.
- the method for producing a semiconductor laminated substrate of the present invention includes a step (a) of arranging inorganic particles excluding metal nitride on a substrate.
- the substrate is sapphire, S i C, Si, MgA 1 2 0 4 , L i Ta 0 3 , Z r B 2 , C r B 2 , gallium nitride, and a composite on which a nitride semiconductor is grown It is.
- the composite is, for example, a low temperature buffer layer grown on a substrate.
- the low temperature buffer layer may be grown in a temperature range of 400 to 700 ° C, for example. When growing a low temperature buffer layer, there may be one or more low temperature buffer layers.
- the composite may be one obtained by growing an InGaAIN layer on a low-temperature buffer layer.
- Inorganic particles include, for example, oxides, nitrides, carbides, borides, sulfides, selenides, and metals. These contents are usually 50% by weight or more, preferably 90% or more, and more preferably 95% or more with respect to the inorganic particles.
- the composition of the inorganic particles may be obtained by chemical analysis, emission analysis, or the like.
- Examples of the oxide include silica, alumina, zirconia, titania, ceria, zinc oxide, tin oxide, and yttrium aluminum garnet (YAG).
- Examples of the nitride include silicon nitride and boron nitride.
- carbide examples include silicon carbide (S i C), boron carbide, diamond, graphite, and fullerenes.
- Boride is, for example, zirconium boride (Z rB 2 ) or chromium boride (C rB 2 ).
- sulfides are zinc sulfide, cadmium sulfide, calcium sulfide, and strontium sulfide.
- selenides examples include zinc selenide and cadmium selenide.
- Oxides, nitrides, carbides, borides, sulfides, and selenides may be partially substituted with other elements.
- cerium or europium is used as an activator.
- Metals include silicon (S i), nickel (N i), tungsten (W), tantalum (Ta), chromium (C r), titanium (T i), magnesium (Mg), calcium (Ca), Aluminum (A1), gold (Au), silver (Ag), zinc (Zn) can be mentioned.
- the inorganic particles may be a material that becomes the oxide, nitride, carbide, boride, sulfide, selenide, or metal when heat-treated, for example, silicone.
- Silicone is a polymer having a structure with S i—O 1 S i inorganic bond as the main skeleton and an organic substituent in S i, and when heated to about 500, it becomes silica.
- Inorganic particles may be used alone or in combination. Examples of combinations include inorganic particles having oxides on nitride particles.
- the inorganic particles are preferably oxides, and more preferably silica.
- the inorganic particles preferably include a mask material for the growth of the semiconductor layer, and more preferably have a mask material on the surface thereof.
- the mask material preferably covers 30% or more of the surface of the inorganic particles, and more preferably covers 50% or more.
- Mask materials include, for example, silica, zirconium, titania, silicon nitride, boron nitride, tungsten (W), molybdenum (Mo), chromium (C r), cobalt (Co), silicon (S i), aluminum (A u) ), Zirconium (Zr), Tantalum (Ta), Titanium (Ti), Niobium (Nb), Nickel (N, Platinum (Pt), Vanadium (V), Eightfunum (Hf), Palladium (Pd) These may be used alone or in combination Inorganic particles having a mask material on the surface may, for example, be coated with a mask material on the particle surface by vapor deposition or sputtering, It may be prepared by hydrolyzing the compound on the surface, etc.
- the inorganic particles are spherical in shape (for example, those having a circular or elliptical cross section), plate-like (aspect ratio of length L and thickness T LZT) But 1. One that is between 5 and 100.), needle-like (for example For example, the ratio LZW of width W to length L is 1.5-100. ) Or irregular shape (including particles of various shapes and irregular shapes as a whole), preferably spherical. Therefore, the inorganic particles are more preferably spherical silica. As the spherical silica, it is recommended to use colloidal silica from the viewpoint that it is easy to obtain monodisperse and relatively uniform particle size.
- Colloidal silica is a colloidal dispersion of silica particles in a solvent (water, etc.), a method of ion-exchange of sodium silicate, and hydrolyzing organosilicon compounds such as tetraethylorthosilicate (TEOS). Obtained by the method.
- the inorganic particles have an average particle size of usually 5 nm or more, preferably 10 nm or more, more preferably 0.1 / zm or more, and usually 50 m or less, preferably 10 m or less, more preferably 1 m or less. It is. When inorganic particles having an average particle diameter in the above range are included, a semiconductor layer laminated substrate that becomes a light-emitting element exhibiting high luminance can be obtained.
- the inorganic particles have a d / ⁇ of usually 0.01 or more, preferably ⁇ (nm) as the emission wavelength of the light emitting element including the semiconductor layer laminated substrate, and d (nm) as the average particle diameter of the inorganic particles. Is 0.02 or more, more preferably 0.2 or more, and usually 100 or less, preferably 30 or less, more preferably 3.0 or less.
- the average particle diameter is a volume average particle diameter measured by a centrifugal sedimentation method.
- the average particle diameter may be measured by a measurement method other than the centrifuge method, for example, dynamic light scattering method, Coulter counter method, laser diffraction method, or electron microscope. Thus, it may be converted into a volume average particle diameter measured by the centrifugal sedimentation method.
- the average particle size of standard particles is obtained by centrifugal sedimentation and other particle size measurement methods, and these correlation coefficients are calculated.
- the correlation coefficient is preferably obtained by calculating a correlation coefficient for a volume average particle diameter measured by a centrifugal sedimentation method for a plurality of standard particles having different particle diameters and creating a calibration curve.
- the volume average particle diameter can be obtained from the average particle diameter obtained by a measurement method other than the centrifugal sedimentation method.
- the inorganic particles may be disposed by, for example, a method of immersing the substrate in a slurry containing inorganic particles and a medium, or a method of drying after applying or spraying the slurry onto the substrate.
- the medium is water, methanol, ethanol, isopropanol, n-butanol, ethylene glycol, dimethylacetamide, methyl ethyl ketone, methyl isobutyl ketone, or the like, preferably water.
- the application is preferably performed by spin coating. According to this method, the arrangement density of the inorganic particles can be made uniform. Drying may be performed using a spinner.
- the coverage of the inorganic particles on the substrate is determined by the number of particles P in the measurement field (area S) when the surface of the substrate on which the inorganic particles are arranged is observed from above with a scanning electron microscope (SEM), and the average particle diameter d From the following equation,
- the coverage of the inorganic particles on the substrate is usually 0.1% or more, preferably 5% or more, more preferably 30% or more, usually 90% or less, preferably 80% or less, more preferably 80%. It is as follows.
- the inorganic particles may be arranged in two or more layers on the substrate, but it is preferable that the inorganic particles are arranged in one layer, for example, 90% or more of the inorganic particles are arranged in one layer.
- the semiconductor layer grows epitaxially and planarization proceeds.
- Figure 1 (a) shows a cross-sectional view of the structure in which inorganic particles are arranged on the substrate.
- the production method of the present invention further includes a step (b) of growing a semiconductor layer on the one obtained in the step (a).
- the semiconductor layer may be one layer or two or more layers. Further, the semiconductor layer may be either one that forms a facet structure or one that does not form a semiconductor layer. However, when the coverage of inorganic particles is high, it is preferable to form a facet structure. The semiconductor layer forming the facet structure is flat.
- the preferred composition of the group 3-5 nitride semiconductor layer depends on the particle size and arrangement state of the inorganic particles, but when the coverage of the inorganic particles is high, Usually, a high A 1 composition is preferred. However, if the buried layer is a G a N layer or an A 1 G a N layer having a lower A 1 composition than the A 1 composition of the facet structure, the A 1 composition of the Group 3-5 nitride semiconductor layer If it is too high, the lattice mismatch between the buried layer and the facet structure increases, which may cause cracks and dislocations in the substrate.
- the A 1 composition of the facet structure may be adjusted according to the particle size and arrangement state of the inorganic particles from the viewpoint of obtaining a crystal having excellent crystal quality without cracks. For example, the coverage of the inorganic particles is 50. If it is% or more, it is preferable to grow the facet structure represented by the formula: A l ⁇ l] It is more preferable to grow a facet structure represented by [0.0 l ⁇ d ⁇ 0.5] (A 1 N mixed crystal ratio is 1.0% or more and 50% or less).
- the facet growth temperature is usually 70 or more, preferably 75 0 or more, and is usually 100 or less, preferably 9 50 or less.
- the growth temperature of the facet structure is preferably between the growth temperature of the low temperature buffer layer and the growth temperature of the buried layer.
- the facet layer may be one layer or two or more layers.
- FIG. 2 shows an example of a semiconductor laminated substrate including a low-temperature buffer layer, which includes a substrate 21, a low-temperature buffer layer 2 2, a facet structure 2 4, a semiconductor layer 2 5, and inorganic particles 2 3 on the substrate 2 1
- the semiconductor laminated substrate which exists in is shown.
- the crystal nuclei of the semiconductor layer are A semiconductor layer that is easily formed and has a high crystal quality (for example, a semiconductor layer having a half-value width FWHM of a diffraction peak of (302) plane in X-ray diffraction rocking force probe measurement of 650 arcsec or less, preferably 550 arcsec or less). grow up.
- the low temperature buffer layer is, for example, the formula: A l a N [a is usually 0 or more and 1 or less, preferably 0.5 or less. ] It is represented by.
- the X-ray diffraction rocking curve measurement method is a method for evaluating the crystal orientation of a film.
- the X-ray incident angle and detection angle are set so that a specific crystal plane of the sample satisfies the diffraction condition, and the sample is in that state.
- the angle dependence of the diffracted light intensity when the angle is changed is measured, and the variation in crystal orientation is evaluated from the extent of the spread.
- the degree of variation in crystal orientation is expressed by the half width of the X-ray diffraction rocking curve peak.
- hexagonal columnar crystals are generally easily formed, and the inclination of the crystal is determined by diffraction measurements of crystal planes parallel to the C-plane such as the (002) plane and (004) plane. You should evaluate. Further, the crystal twist in the C plane may be evaluated from the diffraction measurement of the crystal plane inclined from the C plane. For example, diffraction peaks of the (102) plane, (302) plane, etc. may be used.
- the growth may be performed by an epitaxial growth method such as MOVPE, molecular beam epitaxy (MBE), hydride vapor phase epitaxy (HVPE).
- the following Group 3 source and Group 5 source can be introduced into the reactor using a carrier gas.
- Group 3 raw materials are, for example,
- TMG Trimethylgallium
- TEG Triethyl gallium [(C 2 H 5 ) 3 Ga, hereinafter referred to as TEG. ] Formulas like: RIR 2 3.
- TMA Trimethylaluminum
- Triethylaluminum (C 2 H 5 ) 3 A and TEA ]
- TM I Trimethylindium
- R, R 2 and R 3 each represent a lower alkyl group.
- alkyl groups substituted with a halogen atom from a trialkyl chloride such as jetyl indium chloride [(C 2 H 5 ) 2 I nC 1]; a formula such as indium chloride [I nC l]:
- [X is a halogen atom] and the like.
- TMG is preferred as the gallium source
- TMA as the aluminum source
- TMI as the indium source
- Examples of the Group 5 raw material include ammonia, hydrazine, methyl hydrazine, 1,1 dimethyl hydrazine, 1,2-dimethyl hydrazine, t-butylamine, and ethylenedamine. These may be used alone or in combination. Group 5 raw material Among them, ammonia and hydrazine are preferable, and ammonia is more preferable.
- Examples of the growth atmosphere gas and the raw material carrier gas include nitrogen, hydrogen, argon, helium, preferably hydrogen and helium. These may be used alone or in combination.
- the reaction furnace includes, for example, a reaction furnace, a supply line for supplying raw materials from a storage container to the reaction furnace, and a susceptor.
- the susceptor is a device that heats the substrate and is placed in the reactor.
- the susceptor usually has a structure that is rotated by power to grow the semiconductor layer uniformly.
- the susceptor has a heating device such as an infrared lamp inside.
- the raw material supplied to the reactor through the supply line is thermally decomposed on the substrate by the heating device, and a semiconductor layer is vapor-phase grown on the substrate.
- unreacted raw materials are usually discharged from the reaction furnace to the outside through an exhaust line and sent to an exhaust gas treatment device.
- the following group 3 source and group 5 source may be introduced by the above-described reactor using a carrier gas.
- the Group 3 raw material is, for example, gallium chloride gas generated by reacting gallium metal and hydrogen chloride gas at high temperature, or indium chloride gas generated by reacting indium metal and hydrogen chloride gas at high temperature.
- the Group 5 raw material is, for example, ammonia.
- the carrier gas is, for example, nitrogen, hydrogen, argon, helium, preferably hydrogen or helium. These may be used alone or in combination.
- the semiconductor layer is formed. The length may be determined by introducing the following Group 3 raw material and Group 5 raw material into the reactor using a carrier gas.
- the Group 3 material is, for example, a metal such as gallium, aluminum, or indium.
- the Group 5 raw material is, for example, nitrogen or ammonia gas.
- the carrier gas is, for example, nitrogen, hydrogen, argon, helium, preferably hydrogen or helium. These may be used alone or in combination.
- the steps (a) and (b) may be repeated, and the steps (a), (b) and (c) may be repeated. By repeating the process, a semiconductor laminated substrate used as a light emitting element exhibiting higher luminance can be obtained.
- step (b) the semiconductor layer usually starts growing in a region where inorganic particles do not exist (see reference numeral 13 in FIG. 1 (a)), and then a facet structure is formed (see FIG. 1). 1 (see b))
- the production method of the present invention preferably further includes a step (c) of growing a semiconductor layer and planarizing the surface after the step (b).
- step (c) for example, by promoting lateral growth, the facet structure of the substrate obtained by growing the semiconductor layer while embedding the facet structure is buried and planarized (Fig. 1 (c)). See) When the semiconductor layer is grown in this way, the dislocations reaching the facet are bent laterally, and the inorganic particles are buried in the semiconductor layer. As a result, crystal defects in the semiconductor layer are reduced.
- a method including a step of arranging inorganic particles on the substrate and a step of forming a semiconductor layer thereon
- an anode for example, an ITO layer having a thickness of 100 to 200 nm
- a substrate for example, a glass substrate
- inorganic particles are contained on the anode by a spin coat.
- Poly (ethylene dioxythiophene) Z polystyrene sulfonic acid solution (trade name “Bay tr on” manufactured by Bayer) was applied and dried to form a hole transport layer (eg, about 50 nm thick)
- a polymer phosphor solution with a mouthpiece is applied by spin coating, and dried at about 80 under reduced pressure to form a light emitting layer (for example, about 70 nm thick).
- Example 1 Poly (ethylene dioxythiophene) Z polystyrene sulfonic acid solution (trade name “Bay tr on” manufactured by Bayer) was applied and dried to form a hole transport layer (eg, about 50 nm thick)
- Example 1 The present invention will be described with reference to examples, but the present invention is not limited thereto.
- Example 1 The present invention will be described with reference to examples, but the present invention is not limited thereto.
- the substrate sapphire with mirror-polished C surface was used.
- Colloidal silica manufactured by Fuso Chemical Industry Co., Ltd., PL-20 (trade name), average particle size 37 Onm, particle concentration 24% by weight
- the substrate was set on a spinner, and colloidal silica diluted to 10% by weight was applied thereon and spin-coated. When observed with SEM, the coverage of the substrate surface with colloidal silica particles was 39%.
- a nitride semiconductor layer was epitaxially grown, and colloidal silica particles were embedded in the nitride semiconductor layer.
- Epitaxial growth was performed by atmospheric pressure MOVPE. 1 atm, susceptor temperature is 485, carrier gas is hydrogen, carrier gas, By supplying ammonia and TMG, a GaN low temperature buffer layer having a thickness of about 500 A was grown. Next, the susceptor temperature was set to 900, and carrier gas, ammonia, and TMG were supplied to form an undoped GaN layer for forming facets.
- the furnace pressure is lowered to 14 atmospheres at a susceptor temperature of 1040, carrier gas, ammonia and TMG are supplied to form an undoped GaN layer with a thickness of about 5, and colloidal silica particles are layered in the GaN crystal.
- the nitride semiconductor multilayer substrate contained in the was obtained.
- Figure 3 shows an electron micrograph of the cross section of the nitride semiconductor multilayer substrate. In addition, when the cross-sectional transmission electron microscope of the nitride semiconductor multilayer substrate was observed, the dislocations were bent.
- the half-value width of the (302) plane diffraction peak was 494 arcsec, and the half-width of the (004) plane diffraction peak was 215 arcsec.
- An n-type semiconductor layer, an InGaN light emitting layer (MQW structure), and a P-type semiconductor layer are grown in this order on the nitride semiconductor multilayer substrate, etched to expose the n-type contact layer, and an electrode is formed.
- the blue LED had a light output of 8.5 mW at a current of 20 mA.
- colloidal silica manufactured by Nippon Shokubai Co., Ltd.
- the blue LED had a light output of 9.9 mW at a current of 20 mA.
- Example 4
- Example 1 except that colloidal silica (manufactured by Nissan Chemical Industries, MP-1040 (trade name), average particle diameter of 100 nm, particle concentration of 40% by weight diluted to 10% by weight) was used as the inorganic particles. The same operation as in [Disposition of inorganic particles] was performed. The coverage of the substrate surface with colloidal silica particles was 55%.
- colloidal silica manufactured by Nissan Chemical Industries, MP-1040 (trade name), average particle diameter of 100 nm, particle concentration of 40% by weight diluted to 10% by weight
- Example 1 [Semiconductors, except that the facet is formed with a two-layer structure of an AND A 1 GaN layer (A 1 N composition 1.7%) and 90 O: an AND G a N layer at 800
- Example 5
- colloidal silica manufactured by Nissan Chemical Industries, Ltd., MP-2040 (trade name), average particle size 200 nm, particle concentration 40% by weight diluted to 10% by weight
- colloidal silica manufactured by Nissan Chemical Industries, Ltd., MP-2040 (trade name), average particle size 200 nm, particle concentration 40% by weight diluted to 20% by weight
- the coverage of the substrate surface with colloidal silica particles was 76%.
- the blue LED had a light output of 2.7 times higher than that without silica, when the current was 20 mA.
- colloidal silica manufactured by Nissan Chemical Industries, MP-3040 (trade name), average particle size 300 nm, particle concentration 40% by weight diluted to 20% by weight) use. ) was used, and the same operation as [Inorganic particle arrangement] in Example 1 was carried out. The coverage of the substrate surface with colloidal silica particles was 37%.
- the blue LED had a light output of 3.5 times that at 20 mA energization compared to that without silica.
- colloidal silica manufactured by Nissan Chemical Industries, Ltd., MP-3040 (trade name), average particle size 300 nm, particle concentration 40% by weight diluted to 30% by weight
- the same operation as in [Inorganic particle arrangement] in Example 1 was performed.
- the coverage of the substrate surface with colloidal silica particles was 71%.
- Example 2 Other than using colloidal silica (manufactured by Nissan Chemical Industries, Ltd., MP-4540 (trade name), average particle size 450 nm, particle concentration 40% by weight diluted to 20% by weight) as inorganic particles, The same operation as in [Inorganic particle arrangement] in Example 1 was performed. The coverage of the substrate surface with the closed force particles was 30%.
- colloidal silica manufactured by Nissan Chemical Industries, Ltd., MP-4540 (trade name), average particle size 450 nm, particle concentration 40% by weight diluted to 20% by weight
- the blue LED has a light output at 20 mA that is energized compared to that without silica.
- Example 10 was 3.0 times.
- Example 2 Other than using colloidal silica (manufactured by Nissan Chemical Industries, Ltd., MP-4540 (trade name), average particle size 450 nm, particle concentration 40% by weight diluted to 30% by weight) as inorganic particles, The same operation as in [Inorganic particle arrangement] in Example 1 was performed. The coverage of the substrate surface with the closed force particles was 48%.
- colloidal silica manufactured by Nissan Chemical Industries, Ltd., MP-4540 (trade name), average particle size 450 nm, particle concentration 40% by weight diluted to 30% by weight
- Example 1 [Inorganic particle arrangement] except that colloidal silica (manufactured by Nissan Chemical Industries, Ltd., MP-4540 (trade name), average particle size 450 nm, particle concentration 40% by weight) was used as the inorganic particles. The same operation was performed. The coverage of the substrate surface with colloidal silica particles was 48%.
- colloidal silica manufactured by Nissan Chemical Industries, Ltd., MP-4540 (trade name), average particle size 450 nm, particle concentration 40% by weight
- the blue LED had a light output of 3.0 times that at 20 mA energization compared to that without silica.
- colloidal silica manufactured by Nippon Shokubai Co., Ltd., Seahoster KE-W50 (trade name), average particle size 550 nm, particle concentration 20% by weight diluted to 10% by weight use.
- the blue LED had a light output at a current of 20 mA that was 2.4 times higher than that without silica.
- Example 2 Same as [Inorganic particle arrangement] in Example 1 except that colloidal silica (manufactured by Nippon Shokubai Co., Ltd., Seahoster KE-W50 (trade name), average particle size 550 nm, particle concentration 20% by weight) was used as the inorganic particles. The operation was performed. The coverage of the substrate surface with colloidal silica particles was 60%.
- colloidal silica manufactured by Nippon Shokubai Co., Ltd., Seahoster KE-W50 (trade name), average particle size 550 nm, particle concentration 20% by weight
- Example 4 the same operation as in [Growth of semiconductor layer and production of light emitting device] in Example 4 was performed to obtain a blue LED (dZA l. 3).
- the blue LED had a light output at current of 20 mA that was 2.2 times higher than that without silica. Comparative Example 1
- a blue LED was obtained by carrying out the same operations as [Inorganic particle arrangement], [Semiconductor layer growth] and [Light emitting device production] in Example 1 except that inorganic particles were not used.
- the blue LED had a light output of 5. OmW at a current of 20 mA. Comparative Example 2
- colloidal silica manufactured by Nippon Shokubai Co., Ltd., Shifos Yuichi KE-W50 (trade name), average particle size 550 nm, particle concentration 20% by weight diluted to 10% by weight
- And growth at a susceptor temperature of 485 t
- the same operations as [Inorganic particle arrangement] and [Semiconductor layer growth] in Example 1 were performed except that the low temperature buffer layer was not grown.
- the surface of the obtained semiconductor laminated substrate had large irregularities and was not a mirror surface.
- Test example 2 The surface of the obtained semiconductor laminated substrate had large irregularities and was not a mirror surface.
- colloidal silica manufactured by Nippon Shokubai Co., Ltd., Shiho Hoster KE-W50 (trade name), average particle size 550 nm, particle concentration 20% by weight diluted to 10% by weight use.
- a susceptor temperature of 90 Ot : was growing at a susceptor temperature of 90 Ot :
- an ampere to form a facet G a N layer was not grown [Inorganic particle arrangement] of Example 1, The same operation as in [Growth of semiconductor layer] was performed.
- the surface of the obtained semiconductor laminated substrate had large irregularities and was not a mirror surface.
- Test example 3 The surface of the obtained semiconductor laminated substrate had large irregularities and was not a mirror surface.
- colloidal silica manufactured by Nippon Shokubai Co., Ltd., Shihosta KE-W50 (trade name), average particle size 550 nm, particle concentration 20% by weight diluted to 10% by weight
- the low-temperature buffer layer to be grown is a 10. 3 Ga 0 7 N
- a nitride semiconductor multilayer substrate was obtained.
- the half-width of the X-ray diffraction opening was 194 arcsec for the (004) plane and 470 arcsec for the (30 2) plane.
- Figure 4 shows the relationship between the A 1 composition of the low-temperature buffer layer and the full width at half maximum of the (302) plane peak.
- Low temperature buffer layer A 10 4 Ga 0 the temperature of the susceptor evening is grown at 485. 6 N der than Rukoto by performing the same operation as in Test Example 3 to obtain a nitride semiconductor substrate.
- the X-ray diffraction rocking curve half-width was 199 arcsec for the (004) plane and 447 arcs for the (302) plane. The results are shown in Fig. 4.
- Test Example 5
- Test Example 6 The same operation as in Test Example 3 was performed to obtain a nitride semiconductor substrate. Its X-ray diffraction locking curve half-width is (283) arcsec with respect to (004) plane (302) It was 5 9 6 arcsec with respect to the surface. The results are shown in Fig. 4. Test Example 6
- a nitride semiconductor substrate was obtained by performing the same operation as in Test Example 3 except that the low-temperature buffer layer grown at a susceptor temperature of 4 8 5 was not grown. The crystal surface was uneven and a mirror surface could not be obtained.
- the present invention provides a semiconductor multilayer substrate used as a semiconductor light emitting device exhibiting high luminance. Moreover, this invention provides the manufacturing method of a semiconductor laminated substrate. Furthermore, the present invention provides a light emitting device including a semiconductor multilayer substrate.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Led Devices (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/667,978 US20080087881A1 (en) | 2004-11-24 | 2005-11-22 | Semiconductor Multilayer Substrate, Method For Producing Same And Light-Emitting Device |
DE112005002854T DE112005002854T5 (de) | 2004-11-24 | 2005-11-22 | Halbleitermehrschichtensubstrat, Verfahren zur Herstellung desselben und lichtemittierende Vorrichtung |
CN2005800396474A CN101061571B (zh) | 2004-11-24 | 2005-11-22 | 半导体层叠基板、其制造方法以及发光元件 |
GB0708426A GB2434035A (en) | 2004-11-24 | 2007-05-01 | Semiconductor multilayer substrate, method for producing same and light-emitting device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-338627 | 2004-11-24 | ||
JP2004338627 | 2004-11-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006057422A1 true WO2006057422A1 (ja) | 2006-06-01 |
Family
ID=36498154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/021936 WO2006057422A1 (ja) | 2004-11-24 | 2005-11-22 | 半導体積層基板、その製造方法及び発光素子 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20080087881A1 (ja) |
KR (1) | KR20070074641A (ja) |
CN (1) | CN101061571B (ja) |
DE (1) | DE112005002854T5 (ja) |
GB (1) | GB2434035A (ja) |
TW (1) | TW200625699A (ja) |
WO (1) | WO2006057422A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170025564A1 (en) * | 2006-02-23 | 2017-01-26 | Allos Semiconductors Gmbh | Nitride semiconductor component and process for its production |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2857983B1 (fr) * | 2003-07-24 | 2005-09-02 | Soitec Silicon On Insulator | Procede de fabrication d'une couche epitaxiee |
WO2006101225A1 (ja) * | 2005-03-22 | 2006-09-28 | Sumitomo Chemical Company, Limited | 自立基板、その製造方法及び半導体発光素子 |
US8354294B2 (en) * | 2006-01-24 | 2013-01-15 | De Rochemont L Pierre | Liquid chemical deposition apparatus and process and products therefrom |
JP2008205221A (ja) * | 2007-02-20 | 2008-09-04 | Furukawa Electric Co Ltd:The | 半導体素子 |
US8263988B2 (en) | 2010-07-16 | 2012-09-11 | Micron Technology, Inc. | Solid state lighting devices with reduced crystal lattice dislocations and associated methods of manufacturing |
KR101810609B1 (ko) * | 2011-02-14 | 2017-12-20 | 삼성전자주식회사 | 반도체 소자 및 그 제조방법 |
TWI581458B (zh) | 2012-12-07 | 2017-05-01 | 晶元光電股份有限公司 | 發光元件 |
US9773889B2 (en) * | 2014-07-18 | 2017-09-26 | Taiwan Semiconductor Manufacturing Company Limited | Method of semiconductor arrangement formation |
CN109417020A (zh) * | 2016-04-12 | 2019-03-01 | 璐米斯塔尔有限公司 | 包括半绝缘氮化物半导体层的氮化物半导体基板的制造方法及利用该方法制造的氮化物半导体基板 |
TWI716986B (zh) * | 2018-09-03 | 2021-01-21 | 國立大學法人大阪大學 | 氮化物半導體裝置與其基板及添加稀土類元素之氮化物層的形成方法,以及紅色發光裝置 |
TWI728846B (zh) | 2020-06-19 | 2021-05-21 | 錼創顯示科技股份有限公司 | 發光半導體結構及發光半導體基板 |
CN111668353B (zh) * | 2020-06-19 | 2021-12-17 | 錼创显示科技股份有限公司 | 发光半导体结构及半导体基板 |
DE102022000520A1 (de) * | 2022-02-10 | 2023-08-10 | Azur Space Solar Power Gmbh | Halbleiterscheibe zur Ausbildung von Halbleiterbauelementen |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000349333A (ja) * | 1998-07-23 | 2000-12-15 | Sony Corp | 発光素子,発光装置および表示装置並びに発光素子の製造方法 |
JP2002270546A (ja) * | 2001-03-07 | 2002-09-20 | Hitachi Chem Co Ltd | 導体用研磨液及びこれを用いた研磨方法 |
JP2005259768A (ja) * | 2004-03-09 | 2005-09-22 | Sanyo Electric Co Ltd | 発光素子およびその製造方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9600469D0 (en) * | 1996-01-10 | 1996-03-13 | Secr Defence | Three dimensional etching process |
TW417315B (en) * | 1998-06-18 | 2001-01-01 | Sumitomo Electric Industries | GaN single crystal substrate and its manufacture method of the same |
EP0975027A2 (en) * | 1998-07-23 | 2000-01-26 | Sony Corporation | Light emitting device and process for producing the same |
US6228538B1 (en) * | 1998-08-28 | 2001-05-08 | Micron Technology, Inc. | Mask forming methods and field emission display emitter mask forming methods |
US6177359B1 (en) * | 1999-06-07 | 2001-01-23 | Agilent Technologies, Inc. | Method for detaching an epitaxial layer from one substrate and transferring it to another substrate |
US6639354B1 (en) * | 1999-07-23 | 2003-10-28 | Sony Corporation | Light emitting device, production method thereof, and light emitting apparatus and display unit using the same |
JP3603713B2 (ja) * | 1999-12-27 | 2004-12-22 | 豊田合成株式会社 | Iii族窒化物系化合物半導体膜の成長方法及びiii族窒化物系化合物半導体素子 |
JP2001313259A (ja) * | 2000-04-28 | 2001-11-09 | Toyoda Gosei Co Ltd | Iii族窒化物系化合物半導体基板の製造方法及び半導体素子 |
US6562644B2 (en) * | 2000-08-08 | 2003-05-13 | Matsushita Electric Industrial Co., Ltd. | Semiconductor substrate, method of manufacturing the semiconductor substrate, semiconductor device and pattern forming method |
US6852161B2 (en) * | 2000-08-18 | 2005-02-08 | Showa Denko K.K. | Method of fabricating group-iii nitride semiconductor crystal, method of fabricating gallium nitride-based compound semiconductor, gallium nitride-based compound semiconductor, gallium nitride-based compound semiconductor light-emitting device, and light source using the semiconductor light-emitting device |
JP2002270516A (ja) * | 2001-03-07 | 2002-09-20 | Nec Corp | Iii族窒化物半導体の成長方法、iii族窒化物半導体膜およびそれを用いた半導体素子 |
JP3631724B2 (ja) * | 2001-03-27 | 2005-03-23 | 日本電気株式会社 | Iii族窒化物半導体基板およびその製造方法 |
US20030066998A1 (en) * | 2001-08-02 | 2003-04-10 | Lee Howard Wing Hoon | Quantum dots of Group IV semiconductor materials |
JP3968566B2 (ja) * | 2002-03-26 | 2007-08-29 | 日立電線株式会社 | 窒化物半導体結晶の製造方法及び窒化物半導体ウエハ並びに窒化物半導体デバイス |
TW529188B (en) * | 2002-04-26 | 2003-04-21 | Univ Nat Taiwan | Metal oxide silicon structure with increased illumination efficiency by using nanometer structure |
EP1667241B1 (en) * | 2003-08-19 | 2016-12-07 | Nichia Corporation | Semiconductor light emitting diode and method of manufacturing the same |
-
2005
- 2005-11-22 KR KR1020077011955A patent/KR20070074641A/ko not_active Application Discontinuation
- 2005-11-22 WO PCT/JP2005/021936 patent/WO2006057422A1/ja active Application Filing
- 2005-11-22 US US11/667,978 patent/US20080087881A1/en not_active Abandoned
- 2005-11-22 CN CN2005800396474A patent/CN101061571B/zh not_active Expired - Fee Related
- 2005-11-22 DE DE112005002854T patent/DE112005002854T5/de not_active Withdrawn
- 2005-11-22 TW TW094140901A patent/TW200625699A/zh unknown
-
2007
- 2007-05-01 GB GB0708426A patent/GB2434035A/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000349333A (ja) * | 1998-07-23 | 2000-12-15 | Sony Corp | 発光素子,発光装置および表示装置並びに発光素子の製造方法 |
JP2002270546A (ja) * | 2001-03-07 | 2002-09-20 | Hitachi Chem Co Ltd | 導体用研磨液及びこれを用いた研磨方法 |
JP2005259768A (ja) * | 2004-03-09 | 2005-09-22 | Sanyo Electric Co Ltd | 発光素子およびその製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170025564A1 (en) * | 2006-02-23 | 2017-01-26 | Allos Semiconductors Gmbh | Nitride semiconductor component and process for its production |
Also Published As
Publication number | Publication date |
---|---|
CN101061571B (zh) | 2010-05-05 |
CN101061571A (zh) | 2007-10-24 |
GB0708426D0 (en) | 2007-06-06 |
KR20070074641A (ko) | 2007-07-12 |
GB2434035A (en) | 2007-07-11 |
TW200625699A (en) | 2006-07-16 |
US20080087881A1 (en) | 2008-04-17 |
DE112005002854T5 (de) | 2007-10-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101060102B (zh) | 氮化物半导体衬底、其制法及氮化物半导体发光器件用外延衬底 | |
KR100836455B1 (ko) | 반도체 발광소자 및 반도체 발광소자의 제조 방법 | |
GB2434035A (en) | Semiconductor multilayer substrate, method for producing same and light-emitting device | |
JP5491065B2 (ja) | ウエハ生産物を作製する方法、及び窒化ガリウム系半導体光素子を作製する方法 | |
TWI415288B (zh) | 獨立基板、其製造方法,以及半導體發光元件 | |
US20090093122A1 (en) | Method For Producing Group III-V Nitride Semiconductor Substrate | |
US20090117675A1 (en) | Method for Producing Group 3-5 Nitride Semiconductor and Method for Producing Light-Emitting Device | |
CN102339915A (zh) | GaN衬底以及采用该衬底的器件 | |
JPWO2009020235A1 (ja) | Iii族窒化物半導体エピタキシャル基板 | |
US20110003420A1 (en) | Fabrication method of gallium nitride-based compound semiconductor | |
JP2004319711A (ja) | エピタキシャル成長用多孔質基板およびその製造方法ならびにiii族窒化物半導体基板の製造方法 | |
EP2071053B1 (en) | Filming method for iii-group nitride semiconductor laminated structure | |
JP4996448B2 (ja) | 半導体基板の作成方法 | |
JP3954335B2 (ja) | Iii族窒化物多層膜 | |
JP2006352079A (ja) | 自立基板、その製造方法及び半導体発光素子 | |
JP4882351B2 (ja) | 半導体積層基板、その製造方法及び発光素子 | |
JP2007001855A (ja) | 3−5族窒化物半導体積層基板、3−5族窒化物半導体自立基板の製造方法、及び半導体素子 | |
JP2004115305A (ja) | 窒化ガリウム単結晶基板、その製造方法、窒化ガリウム系半導体素子および発光ダイオード | |
JP5015480B2 (ja) | 半導体単結晶基板の製造方法 | |
JP2009516377A (ja) | シリコン基板上に高品質の半導体発光デバイスを製造するための方法 | |
JP2008053372A (ja) | 半導体デバイスの製造方法 | |
JP2001102633A (ja) | 窒化物系化合物半導体発光素子の製造方法 | |
JP4749803B2 (ja) | 半導体積層基板およびその製造方法 | |
TW200302515A (en) | 3-5 Group compound semiconductor, process for producing the same, and compound semiconductor element using the same | |
KR100932615B1 (ko) | 거침처리된 사파이어 기재 기판을 이용한 화합물 반도체기판 및 그 제조방법과, 이를 이용한 고휘도 발광 소자 및그 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KM KN KP KR KZ LC LK LR LS LT LU LV LY MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU LV MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
ENP | Entry into the national phase |
Ref document number: 0708426 Country of ref document: GB Kind code of ref document: A Free format text: PCT FILING DATE = 20051122 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 0708426.2 Country of ref document: GB |
|
WWE | Wipo information: entry into national phase |
Ref document number: 11667978 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 200580039647.4 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1120050028542 Country of ref document: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020077011955 Country of ref document: KR |
|
REG | Reference to national code |
Ref country code: GB Ref legal event code: 789A Ref document number: 0708426 Country of ref document: GB |
|
RET | De translation (de og part 6b) |
Ref document number: 112005002854 Country of ref document: DE Date of ref document: 20071011 Kind code of ref document: P |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 05811526 Country of ref document: EP Kind code of ref document: A1 |
|
WWP | Wipo information: published in national office |
Ref document number: 11667978 Country of ref document: US |