KR20180040499A - 텅스텐 함유 박막의 기상 증착을 위한 전구체의 합성 및 용도 - Google Patents
텅스텐 함유 박막의 기상 증착을 위한 전구체의 합성 및 용도 Download PDFInfo
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- KR20180040499A KR20180040499A KR1020170130436A KR20170130436A KR20180040499A KR 20180040499 A KR20180040499 A KR 20180040499A KR 1020170130436 A KR1020170130436 A KR 1020170130436A KR 20170130436 A KR20170130436 A KR 20170130436A KR 20180040499 A KR20180040499 A KR 20180040499A
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- 239000002243 precursor Substances 0.000 title claims abstract description 254
- 239000010409 thin film Substances 0.000 title claims abstract description 73
- 229910052721 tungsten Inorganic materials 0.000 title description 34
- 239000010937 tungsten Substances 0.000 title description 15
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical group [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title description 8
- 238000007740 vapor deposition Methods 0.000 title description 4
- 230000015572 biosynthetic process Effects 0.000 title description 3
- 238000003786 synthesis reaction Methods 0.000 title description 2
- 238000000034 method Methods 0.000 claims abstract description 126
- 230000008569 process Effects 0.000 claims abstract description 85
- 239000000463 material Substances 0.000 claims abstract description 81
- 238000000231 atomic layer deposition Methods 0.000 claims abstract description 45
- 238000005229 chemical vapour deposition Methods 0.000 claims abstract description 28
- 239000000758 substrate Substances 0.000 claims description 155
- 238000006243 chemical reaction Methods 0.000 claims description 74
- 238000000151 deposition Methods 0.000 claims description 62
- 230000008021 deposition Effects 0.000 claims description 54
- 150000001875 compounds Chemical class 0.000 claims description 48
- 239000012808 vapor phase Substances 0.000 claims description 46
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 32
- 239000006227 byproduct Substances 0.000 claims description 32
- 229910052717 sulfur Inorganic materials 0.000 claims description 32
- 229910052760 oxygen Inorganic materials 0.000 claims description 25
- 239000003446 ligand Substances 0.000 claims description 23
- 239000001301 oxygen Substances 0.000 claims description 22
- 239000002904 solvent Substances 0.000 claims description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 21
- 150000004820 halides Chemical class 0.000 claims description 21
- 229910052757 nitrogen Inorganic materials 0.000 claims description 18
- 229910052739 hydrogen Inorganic materials 0.000 claims description 17
- 239000000047 product Substances 0.000 claims description 15
- 230000003647 oxidation Effects 0.000 claims description 10
- 238000007254 oxidation reaction Methods 0.000 claims description 10
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 8
- 150000001339 alkali metal compounds Chemical class 0.000 claims description 8
- 150000004770 chalcogenides Chemical class 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 150000004771 selenides Chemical class 0.000 claims description 7
- CUJRVFIICFDLGR-UHFFFAOYSA-N acetylacetonate Chemical compound CC(=O)[CH-]C(C)=O CUJRVFIICFDLGR-UHFFFAOYSA-N 0.000 claims description 6
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 claims description 6
- 150000004767 nitrides Chemical class 0.000 claims description 6
- XSOKHXFFCGXDJZ-UHFFFAOYSA-N telluride(2-) Chemical compound [Te-2] XSOKHXFFCGXDJZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 150000001340 alkali metals Chemical class 0.000 claims description 3
- 239000013626 chemical specie Substances 0.000 claims description 3
- QAMFBRUWYYMMGJ-UHFFFAOYSA-N hexafluoroacetylacetone Chemical compound FC(F)(F)C(=O)CC(=O)C(F)(F)F QAMFBRUWYYMMGJ-UHFFFAOYSA-N 0.000 claims description 3
- SHXHPUAKLCCLDV-UHFFFAOYSA-N 1,1,1-trifluoropentane-2,4-dione Chemical compound CC(=O)CC(=O)C(F)(F)F SHXHPUAKLCCLDV-UHFFFAOYSA-N 0.000 claims 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 claims description 2
- 125000005595 acetylacetonate group Chemical group 0.000 claims description 2
- 238000005019 vapor deposition process Methods 0.000 abstract description 10
- 230000002194 synthesizing effect Effects 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 64
- 239000000376 reactant Substances 0.000 description 61
- 150000001787 chalcogens Chemical class 0.000 description 44
- 229910052798 chalcogen Inorganic materials 0.000 description 41
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 30
- 239000011669 selenium Substances 0.000 description 27
- -1 WO 3 Chemical compound 0.000 description 21
- 238000010926 purge Methods 0.000 description 21
- 239000002356 single layer Substances 0.000 description 20
- 241000894007 species Species 0.000 description 20
- 229910052711 selenium Inorganic materials 0.000 description 19
- 239000007789 gas Substances 0.000 description 18
- 229910052751 metal Inorganic materials 0.000 description 17
- 239000002184 metal Substances 0.000 description 17
- 239000010410 layer Substances 0.000 description 15
- 229910052714 tellurium Inorganic materials 0.000 description 15
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 15
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 13
- 125000004429 atom Chemical group 0.000 description 13
- 239000000203 mixture Substances 0.000 description 12
- 229910052799 carbon Inorganic materials 0.000 description 11
- 239000011593 sulfur Substances 0.000 description 11
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 10
- 239000001257 hydrogen Substances 0.000 description 10
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 10
- 239000012528 membrane Substances 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 238000000354 decomposition reaction Methods 0.000 description 7
- 238000005137 deposition process Methods 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 238000002441 X-ray diffraction Methods 0.000 description 5
- 239000012159 carrier gas Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 238000002411 thermogravimetry Methods 0.000 description 5
- 238000011282 treatment Methods 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000000137 annealing Methods 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 229910021389 graphene Inorganic materials 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 3
- NTTOTNSKUYCDAV-UHFFFAOYSA-N potassium hydride Chemical compound [KH] NTTOTNSKUYCDAV-UHFFFAOYSA-N 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000004467 single crystal X-ray diffraction Methods 0.000 description 3
- 238000006557 surface reaction Methods 0.000 description 3
- 229910052723 transition metal Inorganic materials 0.000 description 3
- 150000003624 transition metals Chemical class 0.000 description 3
- 229910001930 tungsten oxide Inorganic materials 0.000 description 3
- 125000006527 (C1-C5) alkyl group Chemical group 0.000 description 2
- SDDGNMXIOGQCCH-UHFFFAOYSA-N 3-fluoro-n,n-dimethylaniline Chemical compound CN(C)C1=CC=CC(F)=C1 SDDGNMXIOGQCCH-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 125000005103 alkyl silyl group Chemical group 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 150000001793 charged compounds Chemical class 0.000 description 2
- HPQRSQFZILKRDH-UHFFFAOYSA-M chloro(trimethyl)plumbane Chemical compound C[Pb](C)(C)Cl HPQRSQFZILKRDH-UHFFFAOYSA-M 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000002178 crystalline material Substances 0.000 description 2
- 238000004455 differential thermal analysis Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000010574 gas phase reaction Methods 0.000 description 2
- 125000000623 heterocyclic group Chemical group 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- 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 2
- 229910000105 potassium hydride Inorganic materials 0.000 description 2
- 238000004626 scanning electron microscopy Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910021332 silicide Inorganic materials 0.000 description 2
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 2
- 229910021342 tungsten silicide Inorganic materials 0.000 description 2
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 description 1
- SQNZLBOJCWQLGQ-UHFFFAOYSA-N 6,6,7,7,8,8,8-heptafluoro-2,2-dimethyloctane-3,5-dione Chemical compound CC(C)(C)C(=O)CC(=O)C(F)(F)C(F)(F)C(F)(F)F SQNZLBOJCWQLGQ-UHFFFAOYSA-N 0.000 description 1
- 241000349731 Afzelia bipindensis Species 0.000 description 1
- 206010010144 Completed suicide Diseases 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 1
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 241000233805 Phoenix Species 0.000 description 1
- 238000004639 Schlenk technique Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000011365 complex material Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 230000000155 isotopic effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- IHLVCKWPAMTVTG-UHFFFAOYSA-N lithium;carbanide Chemical compound [Li+].[CH3-] IHLVCKWPAMTVTG-UHFFFAOYSA-N 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000002052 molecular layer Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000002073 nanorod Substances 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- FCWWWKANTGWRHZ-UHFFFAOYSA-N potassium;2,2,6,6-tetramethylheptane-3,5-dione Chemical compound [K].CC(C)(C)C(=O)CC(=O)C(C)(C)C FCWWWKANTGWRHZ-UHFFFAOYSA-N 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052950 sphalerite Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 150000004772 tellurides Chemical class 0.000 description 1
- 238000002076 thermal analysis method Methods 0.000 description 1
- 150000003573 thiols Chemical group 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- ITRNXVSDJBHYNJ-UHFFFAOYSA-N tungsten disulfide Chemical compound S=[W]=S ITRNXVSDJBHYNJ-UHFFFAOYSA-N 0.000 description 1
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 description 1
- YFGRPIXHCIXTLM-UHFFFAOYSA-N tungsten(4+) Chemical compound [W+4] YFGRPIXHCIXTLM-UHFFFAOYSA-N 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/92—Ketonic chelates
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/77—Preparation of chelates of aldehydes or ketones
-
- 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
- C07F11/00—Compounds containing elements of Groups 6 or 16 of the Periodic Table
- C07F11/005—Compounds containing elements of Groups 6 or 16 of the Periodic Table compounds without a metal-carbon linkage
-
- 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
- C23C16/06—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 metallic material
- C23C16/18—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 metallic material from metallo-organic compounds
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- 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
- C23C16/305—Sulfides, selenides, or tellurides
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- 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
- C23C16/34—Nitrides
-
- 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
- C23C16/44—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 method of coating
- C23C16/455—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 method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45523—Pulsed gas flow or change of composition over time
- C23C16/45525—Atomic layer deposition [ALD]
- C23C16/45553—Atomic layer deposition [ALD] characterized by the use of precursors specially adapted for ALD
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- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Chemical Vapour Deposition (AREA)
- Electrodes Of Semiconductors (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
도 1은 W 함유 박막을 증착하는 방법을 일반적으로 도시하는 공정 흐름도이다;
도 2는 W(IV) 베타-디케토네이트 전구체를 합성하는 방법을 일반적으로 도시하는 공정 흐름도이다;
도 3은 단결정 x-선 회절에 의하여 결정된 W(thd)4의 분자 구조를 도시한다;
도 4는 W(thd)4에 대한 열분석 측정 결과, 즉, TGA, DTG 및 SDTA 곡선을 도시한다;
도 5A는 일부 구체예에 따라 350℃에서 형성된 WS2 막의 X-선 회절도이다;
도 5B는 일부 구체예에 따라 350℃에서 형성된 WS2 막의 주사 전자 현미경(SEM) 사진이다;
도 6A는 일부 구체예에 따라 500℃에서 형성된 WS2 막의 X-선 회절도이다;
도 6B는 일부 구체예에 따라 500℃에서 형성된 WS2 막의 주사 전자 현미경(SEM) 사진이다;
Claims (36)
- 최소 하나의 증착 사이클을 포함하는, 반응 챔버 내의 기판상에 W 함유 박막을 형성하는 방법으로서, 증착 사이클은 다음 단계를 포함하는 방법:
W 함유 화학종이 기판의 표면상에 흡착하도록 기판을 증기상 W 전구체와 접촉시키는 단계, 여기서 W 전구체 중의 W는 +4의 산화 상태를 가짐;
기판을 증기상 제2 전구체와 접촉시키는 단계, 여기서 제2 전구체는 기판의 표면상의 W 함유 화학종과 반응함. - 제1항에 있어서, 증착 사이클은 기판을 증기상 W 전구체와 접촉시키는 단계 이후 과잉의 W 전구체 및 만약 존재할 경우의 반응 부산물을 제거하는 단계를 추가로 포함하는 방법.
- 제1항 또는 제2항에 있어서, 증착 사이클은 기판을 증기상 제2 전구체와 접촉시키는 단계 이후 과잉의 제2 전구체 및 만약 존재할 경우의 반응 부산물을 제거하는 단계를 추가로 포함하는 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 증착 사이클은 증착 사이클을 2회 이상 반복하는 단계를 추가로 포함하는 방법.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 방법은 원자층 증착(ALD) 공정인 방법.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 방법은 화학 기상 증착(CVD) 공정인 방법
- 제1항 내지 제6항 중 어느 한 항에 있어서, W 전구체는 W(IV) 베타-디케토네이트인 방법.
- 제7항에 있어서, W 전구체는 W(IV) 2,2,6,6-테트라메틸-3,5-헵탄디오네이트(W(thd)4)인 방법.
- 제1항 내지 제8항 중 어느 한 항에 있어서, W 함유 박막은 W 설파이드, W 셀레나이드, 또는 W 텔루라이드 박막을 포함하는 방법.
- 제9항에 있어서, 제2 전구체는 칼코게나이드를 포함하는 방법.
- 제10항에 있어서, 제2 전구체는 H2S, H2Se, H2Te, (CH3)2S, (CH3)2Se, 또는 (CH3)2Te를 포함하는 방법.
- 제1항 내지 제8항 중 어느 한 항에 있어서, W 함유 박막은 W 니트라이드 박막을 포함하는 방법.
- 제12항에 있어서, 제2 전구체는 질소를 포함하는 방법.
- 제13항에 있어서, 제2 전구체는 N2, NO2, 또는 NH3를 포함하는 방법.
- 제1항 내지 제8항 중 어느 한 항에 있어서, W 함유 박막은 W 옥사이드 박막을 포함하는 방법.
- 제15항에 있어서, 제2 전구체는 산소를 포함하는 방법.
- 제16항에 있어서, 제2 전구체는 O2, H2O, 또는 O3를 포함하는 방법.
- 제1항 내지 제17항에 있어서, 제2 전구체는 플라스마를 포함하는 방법.
- 제1항 내지 제18항 중 어느 한 항에 있어서, W 함유 박막은 2D 재료를 포함하는 방법.
- 다음 단계를 포함하는 W(IV) 베타-디케토네이트 전구체 제조 방법:
W(IV) 할라이드를 포함하는 제1 화합물을 제공하는 단계;
베타-디케타나토 리간드를 포함하는 제2 화합물을 제공하는 단계; 및
제1 화합물을 제2 화합물과 반응시켜 W(IV) 베타-디케토네이트 전구체를 형성하는 단계. - 제20항에 있어서, 베타-디케타나토 리간드를 포함하는 제2 화합물은 화학식 ML을 가지며, 여기서 M은 알칼리 금속이고 L은 베타-디케토나토 리간드인 방법.
- 제20항 또는 제21항에 있어서, 제1 화합물을 제2 화합물과 반응시키는 단계는 용매 중에서 제1 화합물을 제2 화합물과 반응시키는 것을 포함하는 방법.
- 제20항 내지 제22항 중 어느 한 항에 있어서, 제1 화합물을 제2 화합물과 반응시키는 단계는 제1 화합물을 용매에 첨가하여 제1 화합물을 포함하는 용액을 형성하고 이후 제2 화합물을 제1 화합물을 포함하는 용액에 첨가하는 것을 포함하는 방법.
- 제20항 내지 제22항 중 어느 한 항에 있어서, 제1 화합물을 제2 화합물과 반응시키는 단계는 제2 화합물을 용매에 첨가하여 제2 화합물을 포함하는 용액을 형성하고 이후 제1 화합물을 제2 화합물을 포함하는 용액에 첨가하는 것을 포함하는 방법.
- 다음 단계를 포함하는 W(IV) 베타-디케토네이트 전구체 제조 방법:
알칼리 금속 화합물을 베타-디케톤 화합물과 반응시켜 제1 생성물을 형성하는 단계;
W(IV) 할라이드를 용매에 첨가하여 W(IV) 할라이드 용액을 형성하는 단계; 및
이후 제1 생성물을 W(IV) 할라이드 용액에 첨가하는 단계, 이에 의하여 화학식 WL4를 가지는 W(IV) 베타-디케토네이트 전구체를 형성하는 단계, 여기서 L은 베타-디케토나토 리간드임. - 제25항에 있어서, 용매는 THF를 포함하는 방법.
- 제25항 또는 제26항에 있어서, W(IV) 할라이드는 WCl4인 방법
- 제25항 내지 제27항 중 어느 한 항에 있어서, 베타-디케톤 화합물은 아세틸아세톤(Hacac), 트리플루오로아세틸아세톤(Htfac), 헥사플루오로아세틸아세톤(Hhfac), 2,2-디메틸-6,6,7,7,8,8,8-헵타플루오로-3,5-옥탄디온(Hfod), 또는 2,2,6,6-테트라메틸-3,5-헵탄디온(Hthd)인 방법.
- 제25항 내지 제28항 중 어느 한 항에 있어서, 형성된 W(IV) 베타-디케토네이트 전구체는 W(acac)4, W(tfac)4, W(hfac)4, W(fod)4, 또는 W(thd)4인 방법.
- 제29항에 있어서, 형성된 W(IV) 베타-디케토네이트 전구체는 W(thd)4인 방법.
- W가 +4의 산화 상태를 가지고, L이 베타-디케토나토 리간드인 화학식 WL4를 가지는 화합물.
- 제31항에 있어서, L은 2,2,6,6-테트라메틸-3,5-헵탄디오나토(thd)를 포함하는 화합물.
- 제31항에 있어서, L은 트리플루오로아세틸아세토나토(tfac)를 포함하는 화합물.
- 제31항에 있어서, L은 헥사플루오로아세틸아세토나토(hfac)를 포함하는 화합물.
- 제31항에 있어서, L은 2,2-디메틸-6,6,7,7,8,8,8-헵타플루오로-3,5-옥탄디오나토(fod)를 포함하는 화합물.
- 제31항에 있어서, L은 아세틸아세토나토(acac)를 포함하는 화합물.
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US20230265035A1 (en) | 2023-08-24 |
TWI712606B (zh) | 2020-12-11 |
KR102616877B1 (ko) | 2023-12-27 |
KR20210007013A (ko) | 2021-01-19 |
TW202208394A (zh) | 2022-03-01 |
KR20230119091A (ko) | 2023-08-16 |
TW201829437A (zh) | 2018-08-16 |
US11014866B2 (en) | 2021-05-25 |
KR102203192B1 (ko) | 2021-01-15 |
KR102564874B1 (ko) | 2023-08-08 |
US20190300468A1 (en) | 2019-10-03 |
US20210246095A1 (en) | 2021-08-12 |
US20180099916A1 (en) | 2018-04-12 |
US10358407B2 (en) | 2019-07-23 |
TW202124401A (zh) | 2021-07-01 |
TWI811841B (zh) | 2023-08-11 |
US11667595B2 (en) | 2023-06-06 |
TWI749904B (zh) | 2021-12-11 |
TW202400618A (zh) | 2024-01-01 |
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