WO2005085175A1 - アルコキシド化合物、薄膜形成用原料及び薄膜の製造方法 - Google Patents
アルコキシド化合物、薄膜形成用原料及び薄膜の製造方法 Download PDFInfo
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- WO2005085175A1 WO2005085175A1 PCT/JP2005/002118 JP2005002118W WO2005085175A1 WO 2005085175 A1 WO2005085175 A1 WO 2005085175A1 JP 2005002118 W JP2005002118 W JP 2005002118W WO 2005085175 A1 WO2005085175 A1 WO 2005085175A1
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- WIPO (PCT)
- Prior art keywords
- compound
- thin film
- raw material
- alkoxide compound
- silicon
- Prior art date
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- -1 Alkoxide compound Chemical class 0.000 title claims abstract description 110
- 239000010409 thin film Substances 0.000 title claims abstract description 76
- 239000002994 raw material Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title abstract description 38
- 230000008569 process Effects 0.000 title abstract description 5
- 230000015572 biosynthetic process Effects 0.000 title abstract 5
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 33
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052735 hafnium Inorganic materials 0.000 claims abstract description 26
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical group [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims abstract description 23
- 230000008016 vaporization Effects 0.000 claims abstract description 15
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 11
- 125000004432 carbon atom Chemical group C* 0.000 claims description 36
- 238000004519 manufacturing process Methods 0.000 claims description 36
- 125000000217 alkyl group Chemical group 0.000 claims description 32
- 239000000758 substrate Substances 0.000 claims description 13
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 abstract description 82
- 238000006243 chemical reaction Methods 0.000 abstract description 26
- 239000010703 silicon Substances 0.000 abstract description 26
- 238000000354 decomposition reaction Methods 0.000 abstract description 6
- 238000001704 evaporation Methods 0.000 abstract description 2
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 abstract 3
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000005229 chemical vapour deposition Methods 0.000 description 31
- 239000002243 precursor Substances 0.000 description 30
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 29
- 229910052719 titanium Inorganic materials 0.000 description 29
- 239000010936 titanium Substances 0.000 description 29
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 28
- 230000000052 comparative effect Effects 0.000 description 25
- 239000000203 mixture Substances 0.000 description 24
- 239000007788 liquid Substances 0.000 description 18
- 239000002904 solvent Substances 0.000 description 15
- 229910052786 argon Inorganic materials 0.000 description 14
- 239000007789 gas Substances 0.000 description 14
- 238000011156 evaluation Methods 0.000 description 13
- 239000010408 film Substances 0.000 description 13
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 12
- 238000000151 deposition Methods 0.000 description 12
- 239000003446 ligand Substances 0.000 description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 11
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 11
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 11
- 238000004821 distillation Methods 0.000 description 10
- IIEWJVIFRVWJOD-UHFFFAOYSA-N ethylcyclohexane Chemical compound CCC1CCCCC1 IIEWJVIFRVWJOD-UHFFFAOYSA-N 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 238000009834 vaporization Methods 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 239000002131 composite material Substances 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 229910052797 bismuth Inorganic materials 0.000 description 8
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 8
- 230000008021 deposition Effects 0.000 description 8
- 239000013110 organic ligand Substances 0.000 description 8
- 239000011734 sodium Substances 0.000 description 8
- CEPICIBPGDWCRU-UHFFFAOYSA-N [Si].[Hf] Chemical compound [Si].[Hf] CEPICIBPGDWCRU-UHFFFAOYSA-N 0.000 description 7
- 150000001298 alcohols Chemical class 0.000 description 7
- 239000012298 atmosphere Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 7
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 description 6
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 6
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 6
- 239000007983 Tris buffer Substances 0.000 description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 6
- 238000000231 atomic layer deposition Methods 0.000 description 6
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 6
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 239000003960 organic solvent Substances 0.000 description 6
- 238000006864 oxidative decomposition reaction Methods 0.000 description 6
- 230000001590 oxidative effect Effects 0.000 description 6
- 125000004430 oxygen atom Chemical group O* 0.000 description 6
- 229910052708 sodium Inorganic materials 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 229910052726 zirconium Inorganic materials 0.000 description 6
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 5
- 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 5
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 5
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 5
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 5
- 229940125782 compound 2 Drugs 0.000 description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 5
- 125000005843 halogen group Chemical group 0.000 description 5
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 4
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N acetic acid anhydride Natural products CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 4
- 125000003545 alkoxy group Chemical group 0.000 description 4
- 238000000137 annealing Methods 0.000 description 4
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 4
- 229940125904 compound 1 Drugs 0.000 description 4
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical class C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 4
- 125000004663 dialkyl amino group Chemical group 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- TXGJTWACJNYNOJ-UHFFFAOYSA-N hexane-2,4-diol Chemical compound CCC(O)CC(C)O TXGJTWACJNYNOJ-UHFFFAOYSA-N 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 229910052761 rare earth metal Inorganic materials 0.000 description 4
- 150000002910 rare earth metals Chemical class 0.000 description 4
- 230000035484 reaction time Effects 0.000 description 4
- 239000012048 reactive intermediate Substances 0.000 description 4
- 235000015067 sauces Nutrition 0.000 description 4
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 3
- 238000005160 1H NMR spectroscopy Methods 0.000 description 3
- KBPCCVWUMVGXGF-UHFFFAOYSA-N 2,6-dimethylheptane Chemical compound CC(C)CCCC(C)C KBPCCVWUMVGXGF-UHFFFAOYSA-N 0.000 description 3
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 description 3
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 3
- 150000001414 amino alcohols Chemical class 0.000 description 3
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 3
- 125000004106 butoxy group Chemical group [*]OC([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 3
- 229940126214 compound 3 Drugs 0.000 description 3
- UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical compound CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 description 3
- 238000000921 elemental analysis Methods 0.000 description 3
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 3
- 150000002391 heterocyclic compounds Chemical class 0.000 description 3
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 229920000768 polyamine Polymers 0.000 description 3
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- 229910052727 yttrium Inorganic materials 0.000 description 3
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 2
- QEGNUYASOUJEHD-UHFFFAOYSA-N 1,1-dimethylcyclohexane Chemical compound CC1(C)CCCCC1 QEGNUYASOUJEHD-UHFFFAOYSA-N 0.000 description 2
- BGYBONWLWSMGNV-UHFFFAOYSA-N 1,4,7,10,13,16,19,22-octaoxacyclotetracosane Chemical compound C1COCCOCCOCCOCCOCCOCCOCCO1 BGYBONWLWSMGNV-UHFFFAOYSA-N 0.000 description 2
- QBPPRVHXOZRESW-UHFFFAOYSA-N 1,4,7,10-tetraazacyclododecane Chemical compound C1CNCCNCCNCCN1 QBPPRVHXOZRESW-UHFFFAOYSA-N 0.000 description 2
- MDAXKAUIABOHTD-UHFFFAOYSA-N 1,4,8,11-tetraazacyclotetradecane Chemical compound C1CNCCNCCCNCCNC1 MDAXKAUIABOHTD-UHFFFAOYSA-N 0.000 description 2
- XTYRIICDYQTTTC-UHFFFAOYSA-N 1-(dimethylamino)-2-methylpropan-2-ol Chemical compound CN(C)CC(C)(C)O XTYRIICDYQTTTC-UHFFFAOYSA-N 0.000 description 2
- FTFYDDRPCCMKBT-UHFFFAOYSA-N 1-butylcyclopenta-1,3-diene Chemical compound CCCCC1=CC=CC1 FTFYDDRPCCMKBT-UHFFFAOYSA-N 0.000 description 2
- AVFZOVWCLRSYKC-UHFFFAOYSA-N 1-methylpyrrolidine Chemical compound CN1CCCC1 AVFZOVWCLRSYKC-UHFFFAOYSA-N 0.000 description 2
- XEZNGIUYQVAUSS-UHFFFAOYSA-N 18-crown-6 Chemical compound C1COCCOCCOCCOCCOCCO1 XEZNGIUYQVAUSS-UHFFFAOYSA-N 0.000 description 2
- YRAJNWYBUCUFBD-UHFFFAOYSA-N 2,2,6,6-tetramethylheptane-3,5-dione Chemical compound CC(C)(C)C(=O)CC(=O)C(C)(C)C YRAJNWYBUCUFBD-UHFFFAOYSA-N 0.000 description 2
- AKPLTHZVVWBOPT-UHFFFAOYSA-N 2,2-diethylbutane-1,3-diol Chemical compound CCC(CC)(CO)C(C)O AKPLTHZVVWBOPT-UHFFFAOYSA-N 0.000 description 2
- OISVCGZHLKNMSJ-UHFFFAOYSA-N 2,6-dimethylpyridine Chemical compound CC1=CC=CC(C)=N1 OISVCGZHLKNMSJ-UHFFFAOYSA-N 0.000 description 2
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 2
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 2
- DSKYSDCYIODJPC-UHFFFAOYSA-N 2-butyl-2-ethylpropane-1,3-diol Chemical compound CCCCC(CC)(CO)CO DSKYSDCYIODJPC-UHFFFAOYSA-N 0.000 description 2
- 125000003229 2-methylhexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 2
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 description 2
- QWGRWMMWNDWRQN-UHFFFAOYSA-N 2-methylpropane-1,3-diol Chemical compound OCC(C)CO QWGRWMMWNDWRQN-UHFFFAOYSA-N 0.000 description 2
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 2
- HCFAJYNVAYBARA-UHFFFAOYSA-N 4-heptanone Chemical compound CCCC(=O)CCC HCFAJYNVAYBARA-UHFFFAOYSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-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
- 229910052692 Dysprosium Inorganic materials 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- 229910052693 Europium Inorganic materials 0.000 description 2
- 229910052688 Gadolinium Inorganic materials 0.000 description 2
- 229910052689 Holmium Inorganic materials 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 2
- AHVYPIQETPWLSZ-UHFFFAOYSA-N N-methyl-pyrrolidine Natural products CN1CC=CC1 AHVYPIQETPWLSZ-UHFFFAOYSA-N 0.000 description 2
- 229910052779 Neodymium Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- ZCQWOFVYLHDMMC-UHFFFAOYSA-N Oxazole Chemical compound C1=COC=N1 ZCQWOFVYLHDMMC-UHFFFAOYSA-N 0.000 description 2
- 229910052777 Praseodymium Inorganic materials 0.000 description 2
- 229910052773 Promethium Inorganic materials 0.000 description 2
- 229910052772 Samarium Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 2
- 229910052771 Terbium Inorganic materials 0.000 description 2
- DHXVGJBLRPWPCS-UHFFFAOYSA-N Tetrahydropyran Chemical compound C1CCOCC1 DHXVGJBLRPWPCS-UHFFFAOYSA-N 0.000 description 2
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 2
- 229910052775 Thulium Inorganic materials 0.000 description 2
- 229910052769 Ytterbium Inorganic materials 0.000 description 2
- ZBGXSVQAJGTDDB-UHFFFAOYSA-N [Y].[Hf] Chemical compound [Y].[Hf] ZBGXSVQAJGTDDB-UHFFFAOYSA-N 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 239000000919 ceramic Substances 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
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 150000003983 crown ethers Chemical class 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
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- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- MGWYSXZGBRHJNE-UHFFFAOYSA-N cyclohexane-1,4-dicarbonitrile Chemical compound N#CC1CCC(C#N)CC1 MGWYSXZGBRHJNE-UHFFFAOYSA-N 0.000 description 1
- VBWIZSYFQSOUFQ-UHFFFAOYSA-N cyclohexanecarbonitrile Chemical compound N#CC1CCCCC1 VBWIZSYFQSOUFQ-UHFFFAOYSA-N 0.000 description 1
- WVIIMZNLDWSIRH-UHFFFAOYSA-N cyclohexylcyclohexane Chemical compound C1CCCCC1C1CCCCC1 WVIIMZNLDWSIRH-UHFFFAOYSA-N 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- QMLGNDFKJAFKGZ-UHFFFAOYSA-N dicyclohexano-24-crown-8 Chemical compound O1CCOCCOCCOC2CCCCC2OCCOCCOCCOC2CCCCC21 QMLGNDFKJAFKGZ-UHFFFAOYSA-N 0.000 description 1
- 229940043279 diisopropylamine Drugs 0.000 description 1
- HPYNZHMRTTWQTB-UHFFFAOYSA-N dimethylpyridine Natural products CC1=CC=CN=C1C HPYNZHMRTTWQTB-UHFFFAOYSA-N 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
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- PYAINELFQCMEIR-UHFFFAOYSA-N dodecane-5,7-dione Chemical compound CCCCCC(=O)CC(=O)CCCC PYAINELFQCMEIR-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- HHFAWKCIHAUFRX-UHFFFAOYSA-N ethoxide Chemical compound CC[O-] HHFAWKCIHAUFRX-UHFFFAOYSA-N 0.000 description 1
- LIWAQLJGPBVORC-UHFFFAOYSA-N ethylmethylamine Chemical compound CCNC LIWAQLJGPBVORC-UHFFFAOYSA-N 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- ZTOMUSMDRMJOTH-UHFFFAOYSA-N glutaronitrile Chemical compound N#CCCCC#N ZTOMUSMDRMJOTH-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- HRDRRWUDXWRQTB-UHFFFAOYSA-N hafnium(4+);propan-2-olate Chemical compound [Hf+4].CC(C)[O-].CC(C)[O-].CC(C)[O-].CC(C)[O-] HRDRRWUDXWRQTB-UHFFFAOYSA-N 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- NGAZZOYFWWSOGK-UHFFFAOYSA-N heptan-3-one Chemical compound CCCCC(=O)CC NGAZZOYFWWSOGK-UHFFFAOYSA-N 0.000 description 1
- ILPNRWUGFSPGAA-UHFFFAOYSA-N heptane-2,4-dione Chemical compound CCCC(=O)CC(C)=O ILPNRWUGFSPGAA-UHFFFAOYSA-N 0.000 description 1
- DGCTVLNZTFDPDJ-UHFFFAOYSA-N heptane-3,5-dione Chemical compound CCC(=O)CC(=O)CC DGCTVLNZTFDPDJ-UHFFFAOYSA-N 0.000 description 1
- SDAXRHHPNYTELL-UHFFFAOYSA-N heptanenitrile Chemical compound CCCCCCC#N SDAXRHHPNYTELL-UHFFFAOYSA-N 0.000 description 1
- SAMYCKUDTNLASP-UHFFFAOYSA-N hexane-2,2-diol Chemical compound CCCCC(C)(O)O SAMYCKUDTNLASP-UHFFFAOYSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000007733 ion plating 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
- 229910052742 iron Inorganic materials 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 1
- 150000002601 lanthanoid compounds Chemical class 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical compound [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- NBTOZLQBSIZIKS-UHFFFAOYSA-N methoxide Chemical compound [O-]C NBTOZLQBSIZIKS-UHFFFAOYSA-N 0.000 description 1
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 1
- NFWSQSCIDYBUOU-UHFFFAOYSA-N methylcyclopentadiene Chemical compound CC1=CC=CC1 NFWSQSCIDYBUOU-UHFFFAOYSA-N 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 1
- DWFKOMDBEKIATP-UHFFFAOYSA-N n'-[2-[2-(dimethylamino)ethyl-methylamino]ethyl]-n,n,n'-trimethylethane-1,2-diamine Chemical compound CN(C)CCN(C)CCN(C)CCN(C)C DWFKOMDBEKIATP-UHFFFAOYSA-N 0.000 description 1
- LSHROXHEILXKHM-UHFFFAOYSA-N n'-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethyl]ethane-1,2-diamine Chemical compound NCCNCCNCCNCCNCCN LSHROXHEILXKHM-UHFFFAOYSA-N 0.000 description 1
- GVWISOJSERXQBM-UHFFFAOYSA-N n-methylpropan-1-amine Chemical compound CCCNC GVWISOJSERXQBM-UHFFFAOYSA-N 0.000 description 1
- XHFGWHUWQXTGAT-UHFFFAOYSA-N n-methylpropan-2-amine Chemical compound CNC(C)C XHFGWHUWQXTGAT-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000012038 nucleophile Substances 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- GJYXGIIWJFZCLN-UHFFFAOYSA-N octane-2,4-dione Chemical compound CCCCC(=O)CC(C)=O GJYXGIIWJFZCLN-UHFFFAOYSA-N 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- LKPLKUMXSAEKID-UHFFFAOYSA-N pentachloronitrobenzene Chemical compound [O-][N+](=O)C1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl LKPLKUMXSAEKID-UHFFFAOYSA-N 0.000 description 1
- 125000005005 perfluorohexyl group Chemical group FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)* 0.000 description 1
- XQZYPMVTSDWCCE-UHFFFAOYSA-N phthalonitrile Chemical compound N#CC1=CC=CC=C1C#N XQZYPMVTSDWCCE-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229960005235 piperonyl butoxide Drugs 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- XRVCFZPJAHWYTB-UHFFFAOYSA-N prenderol Chemical compound CCC(CC)(CO)CO XRVCFZPJAHWYTB-UHFFFAOYSA-N 0.000 description 1
- 229950006800 prenderol Drugs 0.000 description 1
- OGHBATFHNDZKSO-UHFFFAOYSA-N propan-2-olate Chemical compound CC(C)[O-] OGHBATFHNDZKSO-UHFFFAOYSA-N 0.000 description 1
- ULWHHBHJGPPBCO-UHFFFAOYSA-N propane-1,1-diol Chemical compound CCC(O)O ULWHHBHJGPPBCO-UHFFFAOYSA-N 0.000 description 1
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 235000013772 propylene glycol Nutrition 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- UVGLBOPDEUYYCS-UHFFFAOYSA-N silicon zirconium Chemical compound [Si].[Zr] UVGLBOPDEUYYCS-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- ODZPKZBBUMBTMG-UHFFFAOYSA-N sodium amide Chemical compound [NH2-].[Na+] ODZPKZBBUMBTMG-UHFFFAOYSA-N 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000003756 stirring 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
- 230000002194 synthesizing effect Effects 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 1
- ZUHZGEOKBKGPSW-UHFFFAOYSA-N tetraglyme Chemical compound COCCOCCOCCOCCOC ZUHZGEOKBKGPSW-UHFFFAOYSA-N 0.000 description 1
- JZVSHMZGQMSJBL-UHFFFAOYSA-N tetrakis(1-methoxy-2-methylpropan-2-yl) silicate Chemical compound COCC(C)(C)O[Si](OC(C)(C)COC)(OC(C)(C)COC)OC(C)(C)COC JZVSHMZGQMSJBL-UHFFFAOYSA-N 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 150000003609 titanium compounds Chemical class 0.000 description 1
- JMXKSZRRTHPKDL-UHFFFAOYSA-N titanium ethoxide Chemical compound [Ti+4].CC[O-].CC[O-].CC[O-].CC[O-] JMXKSZRRTHPKDL-UHFFFAOYSA-N 0.000 description 1
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- MYXUYXMJVQWRPU-UHFFFAOYSA-N triethoxybismuthane Chemical compound [Bi+3].CC[O-].CC[O-].CC[O-] MYXUYXMJVQWRPU-UHFFFAOYSA-N 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- AYDYYQHYLJDCDQ-UHFFFAOYSA-N trimethylbismuthane Chemical compound C[Bi](C)C AYDYYQHYLJDCDQ-UHFFFAOYSA-N 0.000 description 1
- ZHXAZZQXWJJBHA-UHFFFAOYSA-N triphenylbismuthane Chemical compound C1=CC=CC=C1[Bi](C=1C=CC=CC=1)C1=CC=CC=C1 ZHXAZZQXWJJBHA-UHFFFAOYSA-N 0.000 description 1
- YAIUHZCEFPBZLT-UHFFFAOYSA-N tris(3-methylphenyl)bismuthane Chemical compound CC1=CC=CC([Bi](C=2C=C(C)C=CC=2)C=2C=C(C)C=CC=2)=C1 YAIUHZCEFPBZLT-UHFFFAOYSA-N 0.000 description 1
- YREWUNQFLSJEEG-UHFFFAOYSA-N tris[(2-methylpropan-2-yl)oxy]bismuthane Chemical compound CC(C)(C)O[Bi](OC(C)(C)C)OC(C)(C)C YREWUNQFLSJEEG-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 238000004876 x-ray fluorescence Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 150000003755 zirconium compounds Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C215/00—Compounds containing amino and hydroxy groups bound to the same carbon skeleton
- C07C215/02—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton
- C07C215/04—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being saturated
- C07C215/06—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being saturated and acyclic
- C07C215/08—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being saturated and acyclic with only one hydroxy group and one amino group bound to the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/04—Esters of silicic acids
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/40—Oxides
- C23C16/401—Oxides containing silicon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/40—Oxides
- C23C16/405—Oxides of refractory metals or yttrium
-
- 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
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02142—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing silicon and at least one metal element, e.g. metal silicate based insulators or metal silicon oxynitrides
- H01L21/02148—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing silicon and at least one metal element, e.g. metal silicate based insulators or metal silicon oxynitrides the material containing hafnium, e.g. HfSiOx or HfSiON
-
- 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
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02172—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides
- H01L21/02175—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal
- H01L21/02181—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal the material containing hafnium, e.g. HfO2
-
- 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
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
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Definitions
- Alkoxide compound raw material for forming thin film, and method for producing thin film
- the present invention relates to a novel alkoxide compound (silicon alkoxide compound, hafnium alkoxide compound) using a specific amino alcohol as a ligand, a raw material for forming a thin film containing the alkoxide compound, and
- the present invention relates to a method for producing a thin film containing silicon and Z or hafnium using a thin film forming raw material.
- Thin films containing silicon or hafnium are mainly used as members of electronic components such as high dielectric capacitors, ferroelectric capacitors, gate insulating films, and barrier films.
- the above-mentioned thin film manufacturing methods include a fire deposition method, a sputtering method, an ion plating method, a MOD method such as a coating pyrolysis method and a sol-gel method, and a chemical vapor deposition (hereinafter, sometimes simply referred to as CVD).
- ALD Atomic La
- the optimal manufacturing process is chemical vapor deposition, including the yer de position) method.
- a compound using an organic ligand is used as a precursor for supplying silicon or metal to a thin film.
- the organic ligand an alcohol having a terminal ether group or a dialkylamino group which gives a relatively large vapor pressure and is suitable for producing a thin film by CVD has been reported.
- silicon Patent Literature 1 reports a silicon alkoxide compound having an alcohol having an alkoxy group at a terminal as a ligand.
- titanium compounds and zirconium compounds have been reported in Patent Documents 2 and 3 as metal compounds using alcohols having an amino group, which is a donor group coordinated to a metal atom at the terminal, as ligands.
- Non-Patent Document 1 discloses a lanthanide compound. It has been reported.
- Patent Document 4 reports an alkoxy compound having a primary amino alcohol as a ligand.
- Patent Document 1 JP-A-6-321824
- Patent Document 2 JP-A-2000-351784
- Patent Document 3 Japanese Patent Application Laid-Open No. 2003-119171
- Patent Document 4 Korean Patent Publication No. 2003-74986
- Non-Patent Document 1 Inorganic Chemistry, Vol. 36, No. 16, 1997, p3545-3552 Disclosure of the Invention
- a compound (precursor) suitable for a raw material used in a method of forming a thin film by evaporating a compound such as a CVD method is required to have a property such that the compound has a low melting point, can be transported in a liquid state, and has a low vapor pressure. It is large and easy to vaporize.
- a compound (precursor) suitable for a raw material used in a method of forming a thin film by evaporating a compound such as a CVD method is required to have a property such that the compound has a low melting point, can be transported in a liquid state, and has a low vapor pressure. It is large and easy to vaporize.
- they do not undergo transformation due to ligand exchange or chemical reaction during mixing or storage, and have similar decomposition behavior when depositing thin films by heat, Z or oxidation. Is required. With respect to silicon and hafnium, no compound was sufficiently satisfactory in these respects.
- an alkoxide compound using a specific amino alcohol as a ligand can solve the above problems, and have reached the present invention.
- the present invention provides an alkoxide compound represented by the following general formula (A), a raw material for forming a thin film containing the same, and a vapor containing an alkoxide compound obtained by vaporizing the raw material for forming a thin film.
- An object of the present invention is to provide a method for producing a thin film in which a thin film containing silicon, Z or hafnium is formed on a substrate by introducing it on a substrate and decomposing and Z or chemically reacting the substrate.
- 1 and 1 denote one represents an alkyl group having 1 to 4 carbon atoms, the other represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, and R 3 and R 4 represent carbon atoms.
- A represents an alkyl group having 1 to 4;
- A represents an alkanediyl group having 1 to 8 carbon atoms;
- M represents a silicon atom or a hafnium atom; and n represents 4).
- FIG. 1 is a schematic diagram showing one example of a CVD apparatus used in the method for producing a thin film of the present invention.
- the alkoxide compound of the present invention is represented by the general formula (1), and is particularly suitable as a precursor for a thin film manufacturing method having a vaporization step such as a CVD method or an ALD method.
- a silicon alkoxide compound in which M is a silicon atom has a high degree of decomposition by heat, Z or oxygen, and a high stability to a chemical reaction, as compared with a known silicon alkoxide compound.
- the vapor pressure is higher than that of an alkoxide compound having a similar structure of a primary amino alcohol as a ligand, so that when used alone, it is energetically superior in the production of thin films.
- it is easy to match the decomposition behavior, so it is superior in terms of controlling the composition of the thin film, and it is also superior in terms of operation, for example, it can be used in combination.
- a hafnium alkoxide compound in which M is a hafnium atom has the same or better decomposability by heat, Z or oxygen as compared with a well-known hafnium alkoxide compound, and is stable against chemical reactions.
- it has a higher vapor pressure than alkoxide compounds having a primary structure of a primary amino amino alcohol as a ligand. It is superior in energy in the fabrication, and when used in combination with other precursors, it is easy to match the decomposition behavior, so it is superior in controlling the composition of the thin film.
- it is advantageous in terms of operation for example, it can be used by mixing.
- the alkyl group having 14 carbon atoms represented by R 1 , R 2 , R 3 and R 4 includes methyl, ethyl, propyl, isopropyl, butyl, second butyl, and third
- the alkanediyl group represented by A in the above general formula (A) may be a straight-chain as long as the total number of carbon atoms is 18, and may have one or more branches at any position.
- the alkanediyl group may be a 5-membered ring or a 6-membered ring having a structure that is energetically stable when a dialkylamino group as a terminal donor group is coordinated to a silicon atom or a hafnium atom.
- Preferred examples of the alkenyl group include a group represented by the following general formula (I.
- the alkoxide compound of the present invention may have an optical isomer. However, they are not distinguished by their optical isomerism.
- R 5 to R 8 represent a hydrogen atom or alkyl S having 1 to 4 carbon atoms, represents 1, and the total number of carbon atoms in the formula is 1 to 8.
- the case where the terminal donor group is coordinated to a silicon atom or a hafnium atom to form a ring structure is represented by the following general formula (III).
- the alkoxide compound of the present invention is represented by the above general formula (I), but is not distinguished from the compound represented by the following general formula (III), and is a concept including both. [0018] [Formula 3]
- 13 ⁇ 4 1 and 13 ⁇ 4 2 one represents an alkyl group having 1 to 4 carbon atoms and the other represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms
- R 3 and R 4 are C 1 -C Represents an alkyl group of 4 to 4
- A represents an alkanediyl group having 1 to 8 carbon atoms
- M represents a silicon atom or a hafnium atom
- n represents 4.
- alkoxide compound of the present invention include the following compound No. 1 No. 22.
- Hf— f- 0 C— CH, — N HfH— 0-CH-CH, — N Hf— HO-CH-CH, — N
- R 1 R 4 and A are preferably those having a small molecular weight because of their high vapor pressure.
- R 1 R 2 is preferably a hydrogen atom or a methyl group
- RR 4 is preferably a methyl group
- A is preferably a methylene group.
- R 1 R 4 and A are determined by solubility in a solvent used, a thin film forming reaction, and the like. It can be arbitrarily selected.
- the alkoxide compound of the present invention is not particularly limited by its production method, and can be produced by applying a well-known reaction.
- a well-known general method of synthesizing an alkoxide compound using the corresponding amino alcohol can be applied.
- an inorganic salt such as a halide of silicon or hafnium, a nitrate, or a hydrate thereof.
- the corresponding alcohol compound in the presence of a base such as sodium, sodium hydride, sodium amide, sodium hydroxide, sodium methylate, ammonia, or amine, a halogen of silicon or hafnium.
- inorganic salts such as chlorides and nitrates or hydrates thereof with alkali metal alkoxides such as sodium alkoxide, lithium alkoxide and potassium alkoxide of the corresponding alcohol compound
- alkali metal alkoxides such as sodium alkoxide, lithium alkoxide and potassium alkoxide of the corresponding alcohol compound
- Alkoxide compounds of low molecular weight alcohols such as methoxide, ethoxide, isopropoxide, butoxide of silicon or hafnium, and exchange reaction with the corresponding alcohol compounds
- inorganic salts such as halides of silicon or hafnium and nitrates.
- Examples of the reactive intermediate include tetrakis (dialkylamino) silicon, tetrakis (bis (trimethylsilyl) amino) silicon, tetrakis (dialkylamino) hafnium, and tetrakis (bis (trimethylsilyl) amino) hafnium. And amide compounds of silicon or hafnium.
- the raw material for forming a thin film of the present invention contains the alkoxide compound of the present invention as a precursor of a thin film, and its form is determined by a method for producing a thin film to which the raw material for forming a thin film is applied (for example, It depends on the MOD method such as the coating thermal decomposition method, the sol-gel method, and the CVD method including the ALD method).
- the alkoxide compound of the present invention is particularly useful as a raw material for CVD among raw materials for forming a thin film due to its physical properties.
- the raw material for forming a thin film of the present invention is a raw material for chemical vapor deposition (CVD)
- its form is appropriately selected depending on a method such as a transport and supply method of a CVD method to be used.
- the CVD raw material is re-vaporized by heating and reducing the pressure or Z or Z in the raw material container, and deposited together with a carrier gas such as argon, nitrogen, or helium used as necessary.
- a carrier gas such as argon, nitrogen, or helium used as necessary.
- Gas transport method to introduce into the reaction section CV D raw material is transported in liquid or solution state to the vaporization chamber, heated and reduced in the vaporization chamber by Z or depressurization to the deposition reaction section.
- the alkoxide compound represented by the above general formula (I) is used as a raw material for CVD.
- the alkoxide compound represented by the above general formula (I) or the alkoxide compound itself is used.
- a solution in which a compound is dissolved in an organic solvent becomes a raw material for CVD.
- a multi-component CVD method the raw materials for CVD are vaporized independently of each component.
- a supply method hereinafter sometimes referred to as a single-source method
- a method of vaporizing and supplying a mixed material obtained by previously mixing a multi-component material with a desired composition hereinafter also referred to as a cocktail source method.
- cocktail sauce method a mixture or a mixed solution of only the alkoxide compound of the present invention or a mixture or a mixed solution of the alkoxide compound of the present invention and another precursor is a raw material for CVD.
- the organic solvent used for the above-mentioned raw material for CVD is not particularly limited, and a known general organic solvent can be used.
- the organic solvent include alcohols such as methanol, ethanol, 2-propanol and n-butanol; acetates such as ethyl acetate, butyl acetate and methoxethyl acetate; ethylene glycol monomethyl ether and ethylene glycol monomer Ether alcohols such as ethylene ether, ethylene glycol monobutyl ether, diethylene glycol monomethyl ether; ethers such as tetrahydrofuran, tetrahydropyran, ethylene glycol dimethyl ether, diethylene glycol dimethyl ether, triethylene glycol dimethyl ether, dibutyl ether, dioxane; methyl Butyl ketone, methyl isobutyl ketone, ethyl butyl ketone, dipropyl ketone, diisobutyl
- the other precursor used together with the alkoxide compound of the present invention is not particularly limited, and a known general precursor used for a raw material for CVD may be used. be able to.
- the other precursor is selected from the group consisting of compounds used as organic ligands such as alcohol compounds, glycol compounds, ⁇ -diketone compounds, cyclopentadiene compounds, and organic amine compounds.
- organic ligands such as alcohol compounds, glycol compounds, ⁇ -diketone compounds, cyclopentadiene compounds, and organic amine compounds.
- Compounds of one or two or more kinds with silicon or a metal are exemplified.
- the metal species of the precursor include magnesium, calcium, strontium, barium, titanium, zirconium, hafnium, vanadium, niobium, tantalum, manganese, iron, ruthenium, cobalt, rhodium, iridium, nickel, palladium, and platinum.
- Examples of the alcohol compound used as the organic ligand include methanol, ethanol, propanol, isopropanol, butanol, 2-butanol, isobutanol, tert-butanol, amyl alcohol, isoamyl alcohol, and tertiary butanol.
- Alkyl alcohols such as amyl alcohol; 2-methoxyethanol, 2-ethoxyethanol, 2-butoxyethanol, 2- (2-methoxyethoxy) ethanol, 2-methoxy-1-methylethanol, 2-methoxy Si-1,1-dimethylethanol, 2-ethoxy-1,1-dimethylethanol, 2-isopropoxy-1,1-dimethylethanol, 2-butoxy-1,1-dimethylethanol, 2- (2-methylethanol Toxetoxy) -1,1-dimethylethanol, 2-propoxy-1,1-getylethanol, 2-second butoxy-1,1- E chill ethanol, 3 main butoxy -1, 1 - dimethyl ether propanol Alcohols include dialkylamino alcohols that give the alkoxide compounds of the invention.
- glycol compounds used as the above organic ligands include 1,2-ethanediol, 1,2-propanediol, 1,3-propanediol, 2,4-hexanediol, and 2,2-hexanediol.
- S-diketone compound used as the organic ligand described above
- examples of the S-diketone compound include acetyl acetone, hexane-2,4-dione, 5-methylhexane-2,4-dione, and heptane-2,4.
- Examples of the cyclopentadiene compound used as the above-mentioned organic ligand include cyclopentadiene, methylcyclopentadiene, ethylcyclopentadiene, provylcyclopentadiene, isopropyldicyclopentadiene, and butylcyclopentadiene. Pentagen, second butylcyclopentadiene, isobutylcyclopentadiene, tertiary butylcyclopentadiene, dimethylcyclopentadiene, tetramethylcyclopentadiene and the like.
- organic amine compound used as the organic ligand examples include methylamine, ethylamine, propylamine, isopropylamine, butylamine, second butylamine, dicamptylamine, isoptylamine, dimethylamine, dimethylamine, dipropylamine, diisopropylamine. Min, ethylmethylamine, propylmethylamine, isopropylmethylamine and the like.
- the other precursor is preferably a compound having similar heat and Z or oxidative decomposition behavior in the case of the single source method, and having a similar heat and Z or oxidative decomposition behavior in the case of the cocktail source method.
- those that do not cause deterioration due to a chemical reaction during mixing are preferable.
- Examples of the precursor of titanium or zirconium include tetrakisalkoxytitanium having the same ligand as the alkoxide compound of the present invention and a compound represented by the following general formula.
- M 1 represents titanium or zirconium, R a and R b each independently may be substituted with a halogen atom, and may have an oxygen atom in the chain. represents a group, FT represents an alkyl group having 1 to 8 carbon atoms, R d represents a branched alkylene group which may having 2-1 8 carbon atoms, R e and R f 1 hydrogen atom or a carbon atoms represents 3 alkyl group, R s represents an alkyl group having 1 to 4 carbon atoms, p represents an integer of 0 to 4, q represents 0 or 2, r represents an integer of 0 to 3.)
- an alkyl group having 120 carbon atoms which may be substituted with a halogen atom represented by R a and R b and may contain an oxygen atom in a chain.
- examples include: methyl, ethyl, propyl, isopropyl, butyl, secondary butyl, tertiary butyl, isoptyl, amyl, isoamyl, secondary amyl, tertiary amyl, hexyl, cyclohexyl, 1-methylcyclohexyl, heptyl, 3-heptyl, isoheptyl, tertiary heptyl, n-octyl, isooctyl, tertiary octyl, 2-ethylhexyl, trifluoromethyl, perfluorohexyl, 2-methoxyl, 2-ethoxyl, 2- Butoxyshety
- alkyl group having 18 carbon atoms represented by R ° examples include methyl, ethyl, propyl, isopropyl, butyl, second butyl, tertiary butyl, isopropyl, amyl, isoamil, second amyl, and tertiary alkyl.
- the branched alkylene group having 2 18 carbon atoms represented by R d is a group provided by a glycol.
- the glycol include 1,2-ethanediol and 1,2-ethanediol.
- Examples of the C 13 alkyl group represented by R e and R f include methyl, ethyl, propyl, and 2-propyl, and include the C 14 alkyl group represented by R g. Examples include methyl, ethyl, propyl, isopropyl, butyl, second butyl, tertiary butyl, and isobutyl.
- titanium precursor tetrakis (ethoxy) titanium, tetrakis (2-propoxy) titanium, tetrakis (butoxy) titanium, tetrakis (second butoxy) titanium, tetrakis (isobutoxy) titanium, tetrakis (third) Butoxy) titanium, tetrakis (tertiary amyl) titanium, tetrakis (1-methoxy-2-methyl-2-propoxy) titanium, and other tetrakisalkoxy titaniums; tetrakis (pentane-2,4-dionato) titanium, (2,6-dimethylheptane-3,5-dionato) titanium, tetrakis (2,2,6,6-tetramethylheptane-3,5-dionato) tetrakis ⁇ -diketonatotitaniums such as titanium; Bis (Methoxy) Bis (Pentane-2, 4-Ziona )
- Examples of the aluminum precursor include trisalkoxyaluminum having the same ligand as the alkoxide compound of the present invention, and a compound represented by the following general formula.
- L represents a 5- to 6-membered coordinating heterocyclic compound having a nitrogen atom or an oxygen atom
- Ra may be substituted with a halogen atom, and may contain an oxygen atom in the chain.
- R s is Represents an alkyl group having 1 to 4 carbon atoms, wherein R h may be substituted with a halogen atom, and may have an oxygen atom in the chain; an alkyl group having 1 to 20 carbon atoms or an alkoxy group having 1 to 8 carbon atoms;
- R i represents an alkyl group having 1 to 4 carbon atoms
- p ′ represents an integer of 0 to 3
- q ′ represents an integer of 0 to 2
- r ′ represents an integer
- Examples of the coordinating heterocyclic compound represented by L in the above chemical formula [Chemical Formula 7] include 18-crown-6, dicyclohexyl-18-crown-6, and 24-crown -8, dicyclohexyl-24-crown-8, dibenzo-24-crown-8 and other crown ethers; cyclic polyamines such as cyclam and cyclen; pyridine, pyrrolidine, piperidine, morpholine, N-methylpyrrolidine, N-methylbiperidine, N-methylmorpholine, tetrahydrofuran, tetra-drodropirane, 1,4-dioxane, oxazole, thiazole, oxathiolane and the like are mentioned, and R a , RRR f and R g are the above-mentioned titanium, zirconidium.
- R h includes methyloxy, ethyloxy, and propyloxy.
- Si isopropyloxy, butyloxy, secondary butyloxy, tertiary butyloxy, isobutyloxy, amyloxy, isoamyloxy, secondary amyloxy, tertiary amyloxy, hexyloxy, 1-ethylpentyloxy, cyclohexyloxy, 1-methylcyclo Hexyloxy, heptyloxy, isoheptyloxy, tertiary heptyloxy, n-octyloxy, isooctyloxy And tert-octyloxy and 2-ethylhexyloxy, and R i includes the groups exemplified for R g .
- bismuth precursor examples include triarylbismuth compounds such as triphenylbismuth, tri (0-methylphenyl) bismuth, tri (m-methylphenyl) bismuth and tri (P-methylphenyl) bismuth; and trimethylbismuth and the like.
- Alkyl bismuth compounds tris (2,2,6,6-tetramethylheptane-3,5-dionato) ⁇ -diketone complex such as bismuth; tris (cyclopentagenenyl) bismuth, tris (methylcyclopentane) Cyclopentagenenyl complexes such as genyl) bismuth; alkoxides with low-molecular-weight alcohols such as tris (tertiary-butoxy) bismuth, tris (tertiary-amixoxy) bismuth and tris (ethoxy) bismuth; An alkoxide compound represented by the general formula represented by the following formula: Bok Risuaru Kokishibisumasu compound having the same ligand as the compound, and the like.
- 13 ⁇ 4 6 and 1 ⁇ £ represents a hydrogen atom or an alkyl group having a carbon number. 1 to 3, R e represents an alkyl group of 4 carbon atoms, n represents 1 or 2.
- Examples of the rare earth precursor include a tris alkoxide compound having the same ligand as the alkoxide compound of the present invention, and a compound represented by the following general formula. [0048]
- M 2 represents a rare earth atom
- R a and R b may be substituted with a halogen atom, and may represent an alkyl group having 1 to 20 carbon atoms which may contain an oxygen atom in the chain;
- R s represents an alkyl group having 1 to 4 carbon atoms
- R j represents an alkyl group having 1 to 4 carbon atoms
- p ' represents an integer of 0 to 3
- r' represents an integer of 0 to 2.
- the rare earth source compound represented by the general formula shown in the above [Chemical formula 9] as the rare earth atom represented by M 2 , scandium, yttrium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium arm, gadolinium, terbium, dysprosium, holmium, Erubiu arm, thulium, ytterbium, lutetium are exemplified, R a, R b, RR e, the group represented by R f and R g, wherein the titanium precursor and zirconate groups exemplified are mentioned Niumupurekasa, the ⁇ alkyl group having a carbon number of 1 to 4 represented by R j, examples are mentioned in the above R g.
- the raw material for CVD may contain a nucleophilic reagent, if necessary, to impart stability to the alkoxide compound of the present invention and other precursors.
- a nucleophilic reagent include ethylene glycol ethers such as glyme, diglyme, triglyme, tetraglyme, and the like, 18-crown-6, dicyclohexyl-18-crown-6, 24-crown-8, dicyclohexane.
- Crown ethers such as xyl-24-crown-8 and dibenzo-24-crown-8, ethylenediamine, ⁇ , ⁇ '-tetramethylethylenediamine, diethylenetriamine, triethylenetetramine, tetraethylenepentamine Min, pentaethylene Hexamine, 1,1,4,7,7_pentamethylmethylentriamine, 1,
- Polyamines such as 1,4,7,10,10-hexamethyltriethylenetetramine and triethoxytriethyleneamine, cyclic polyamines such as cyclam and cyclen, pyridine, pyrrolidine, piperidine, morpholine, N-methylpyrrolidine , N-methylbiperidine, N-methylmorpholine, tetrahydrofuran, tetrahydropyran, 1,4-dioxane, oxazole, thiazole, heterocyclic compounds such as oxathiolane, methyl acetoacetate, acetoacetate, acetoacetate-2- ⁇ -Ketoesters such as methoxethyl or acetylacetone, 2,4-hexanedione, 2,4-heptanedione, 3,5-heptanedione, ⁇ -diketones such as dipivaloylmethane, etc., are stable. These nucleophiles as
- the method for producing a thin film of the present invention comprises introducing a vapor of the alkoxide compound of the present invention and other precursors used as needed, and a reactive gas used as needed onto a substrate. Then, the precursor is decomposed and Z or chemically reacted on the substrate to grow and deposit a thin film on the substrate by a CVD method.
- a CVD method There are no particular restrictions on the method of transporting and supplying the raw materials, the deposition method, the production conditions, the production equipment, and the like, and known general conditions and methods can be used.
- Examples of the reactive gas used as necessary include oxygen, ozone, nitrogen dioxide, nitrogen monoxide, water vapor, hydrogen peroxide, formic acid, acetic acid, and acetic anhydride as the oxidizing gas.
- Examples of the reducing compound include hydrogen, and examples of the compound for producing a nitride include organic amine compounds such as monoalkylamine, dialkyamine, trialkylamine, and alkylenediamine. Hydrazine, ammonia and the like.
- Examples of the transportation and supply method include the above-described gas transportation method, liquid transportation method, single source method, and cocktail source method.
- a raw material gas or a raw material gas and a reactive gas are used.
- Thermal CVD that uses only heat to deposit a thin film
- plasma CVD that uses heat and plasma
- photo CVD that uses heat and light
- photo plasma CVD that uses heat, light
- plasma ALD Atomic Layer Deposition
- Examples of the manufacturing conditions include a reaction temperature (substrate temperature), a reaction pressure, and a deposition rate.
- the reaction temperature is preferably at least 160 ° C, which is a temperature at which the alkoxide compound of the present invention sufficiently reacts, and more preferably 250 ° C and 800 ° C.
- the reaction pressure is preferably 10 Pa for atmospheric pressure in the case of thermal CVD or photo-CVD, and 102000 Pa when plasma is used.
- the deposition rate can be controlled by the supply conditions of the raw materials (vaporization temperature, vaporization pressure), reaction temperature and reaction pressure. When the deposition rate is high, the properties of the obtained thin film may be deteriorated, and when the deposition rate is low, a problem may be caused in productivity. Therefore, 0.5 5000 nmZ is preferable, and 11,000 nmZ is more preferable. . In the case of ALD, the number of cycles is controlled so as to obtain a desired film thickness.
- an annealing treatment is performed in an inert atmosphere, an oxidizing atmosphere, or a reducing atmosphere. If step embedding is required, one step of reflow may be provided.
- the temperature in this case is usually 400 1 200 ° C, preferably 500 800 ° C.
- the thin film produced by the method for producing a thin film of the present invention using the raw material for forming a thin film of the present invention can be prepared by properly selecting a precursor of another component, a reactive gas and production conditions. It can be a desired type of thin film such as ceramics, nitride ceramics, and glass.
- the composition of the thin film to be produced is, for example, silicon oxide, hafnium oxide, silicon-titanium composite oxide, silicon-zirconium composite oxide, silicon-hafnium composite oxide, silicon-bismuth composite oxide, hafnium-aluminum.
- Complex oxide Hafnium-rare earth complex oxide, Silicon-bismuth-Titanium complex oxide, Silicon-Hafnium-Aluminum complex acid Oxides, silicon-hafnium-rare earth element composite oxides, silicon nitride, and nitrided hafnium.
- Uses of these thin films include high dielectric capacitor films, gate insulating films, gate films, ferroelectric capacitor films, and capacitor films.
- optical glass members such as optical components such as barrier films, optical fibers, optical waveguides, optical amplifiers, and optical switches.
- the following Production Examples 13 show Examples of the alkoxide compound of the present invention.
- the alkoxide compounds of the present invention and comparative compounds were evaluated for thermal oxidative decomposability.
- Evaluation Examples 3 and 4 In, the volatile properties of the alkoxide compound of the present invention and the comparative compound were evaluated.
- the following Examples 1 to 3 show examples of the raw material for forming a thin film of the present invention and examples of the method for producing a thin film of the present invention.
- Comparative Example 1 below shows a compound which is not an alkoxide compound of the present invention. Examples of the thin film forming raw materials used and examples of the thin film manufacturing method will be described.
- Silicon 6.49% by mass (theoretical value: 6.43%), Na: less than 1 ppm, CI: less than 5 ppm
- TEOS Since TEOS could not be measured by the above method, TEOS was mixed with oxygen in a closed container and heated at 500 ° C for 1 minute to check for oxidative decomposition. As a result, no oxidative decomposition could be confirmed.
- Comparative compound 1 is much smaller than the theoretical value. From this, it can be confirmed that Compound No. 1 is superior as a precursor for supplying silicon oxide to a thin film because the thermo-oxidative decomposition reaction proceeds at a lower temperature than TEOS and Comparative Compound 1. Was.
- Comparative compound 2 is smaller than the theoretical value. This confirms that Compound No. 13 is superior to Comparative Compound 2 as a precursor for supplying hafnium oxide to the thin film because the thermo-oxidative decomposition reaction proceeds at a lower temperature.
- Comparative Compound 4 did not volatilize even at 210 ° C., a vapor phase could not be obtained, and measurement of vapor pressure was impossible.
- Differential thermal analysis (TG-DTA) of Comparative Compound 4 in a stream of dry argon gas confirmed that decomposition occurred gradually only with heat.
- Vaporization chamber temperature 170 ° C
- material flow rate 2 Om gZ min
- reaction pressure 667 Pa
- reaction time 20 min
- substrate temperature 450 ° C
- carrier Ar 200 sccm
- annealing conditions after deposition Oxygen flow rate 10 minutes at 600 ° C in 1 OO sccm (result)
- Vaporization chamber temperature 170 ° C
- raw material flow rate 2 Om gZ min
- reaction pressure 667 Pa
- reaction time 30 min
- substrate temperature 450 ° C
- carrier Ar 200 sccm
- Annealing conditions after deposition Oxygen flow rate 10 minutes at 600 ° C in 1 OO sc cm
- Vaporization chamber temperature 170 ° C
- raw material flow rate 2 Om gZ min
- reaction pressure 667 Pa
- reaction time 30 min
- substrate temperature 450 ° C
- carrier Ar 200 sccm
- annealing conditions after deposition Oxygen flow rate 10 minutes at 600 ° C in 1 OO sccm (result)
- Example 3 After drying the ethylcyclohexane with a sodium metal wire, 10% by mass of the pre-fraction and 10% by mass of the kettle are cut off under an argon stream, and purified by distillation to obtain a solvent with a water content of less than 1 ppm. Got. To 500 ml of this solvent, 0.1 mol of Compound No. 13 was added, and a tris (1-dimethylamino-2_methyl_2_propoxy) yttrium compound was compounded under a stream of 0.03 mol of argon to form hafnium-yttrium. Got a cocktail sauce.
- a hafnium-yttrium composite oxide thin film was manufactured on a silicon wafer using the CVD apparatus shown in FIG. 1 under the following conditions.
- the thickness and composition of the manufactured thin film were measured using X-ray fluorescence. The results are shown below.
- Vaporization chamber temperature 170 ° C, raw material flow rate: 2 Om gZ min, reaction pressure: 667 Pa, reaction time: 30 min, substrate temperature: 450 ° C, carrier gas: argon 200 sccm, oxygen gas: Oxygen 300 sccm
- Example 13 the composition of the thin film forming raw material and the composition of the obtained thin film are in good agreement.
- Comparative Example 1 the composition of the thin film forming raw material and the composition of the obtained thin film do not match. This indicates that the alkoxide compounds of the present invention provide good composition control.
- a thin film having excellent composition controllability and the like can be produced.
- a multi-component thin film is produced by a CVD method. It shows excellent effects in cases.
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Claims
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US10/588,187 US7714155B2 (en) | 2004-02-18 | 2005-02-14 | Alkoxide compound, material for thin film formation, and process for thin film formation |
DE112005000134T DE112005000134T5 (de) | 2004-02-18 | 2005-02-14 | Alkoxidverbindung, Material für die Bildung eines dünnen Films und Verfahren für die Bildung eines dünnen Films |
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