KR102627457B1 - 나이오븀 화합물과 이를 이용하는 박막 형성 방법 - Google Patents
나이오븀 화합물과 이를 이용하는 박막 형성 방법 Download PDFInfo
- Publication number
- KR102627457B1 KR102627457B1 KR1020190095746A KR20190095746A KR102627457B1 KR 102627457 B1 KR102627457 B1 KR 102627457B1 KR 1020190095746 A KR1020190095746 A KR 1020190095746A KR 20190095746 A KR20190095746 A KR 20190095746A KR 102627457 B1 KR102627457 B1 KR 102627457B1
- Authority
- KR
- South Korea
- Prior art keywords
- niobium
- general formula
- thin film
- branched alkyl
- alkyl group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 title claims abstract description 198
- 239000010409 thin film Substances 0.000 title claims abstract description 137
- 150000002822 niobium compounds Chemical class 0.000 title claims abstract description 101
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 45
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 16
- 125000000753 cycloalkyl group Chemical group 0.000 claims abstract description 13
- 125000005843 halogen group Chemical group 0.000 claims abstract description 6
- 239000010408 film Substances 0.000 claims description 161
- 239000002994 raw material Substances 0.000 claims description 94
- 239000007789 gas Substances 0.000 claims description 85
- 150000001875 compounds Chemical class 0.000 claims description 76
- 239000010955 niobium Substances 0.000 claims description 66
- 229910052751 metal Inorganic materials 0.000 claims description 61
- 239000002184 metal Substances 0.000 claims description 59
- 239000000758 substrate Substances 0.000 claims description 58
- 229910052758 niobium Inorganic materials 0.000 claims description 57
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 57
- -1 β-diketone compounds Chemical class 0.000 claims description 30
- CFJRGWXELQQLSA-UHFFFAOYSA-N azanylidyneniobium Chemical compound [Nb]#N CFJRGWXELQQLSA-UHFFFAOYSA-N 0.000 claims description 12
- 229910000484 niobium oxide Inorganic materials 0.000 claims description 11
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 claims description 11
- 229910052710 silicon Inorganic materials 0.000 claims description 11
- 229910052736 halogen Inorganic materials 0.000 claims description 9
- 150000002367 halogens Chemical class 0.000 claims description 9
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical class C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 claims description 8
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 7
- 229910021332 silicide Inorganic materials 0.000 claims description 7
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 7
- 229910052801 chlorine Inorganic materials 0.000 claims description 6
- 150000001298 alcohols Chemical class 0.000 claims description 3
- 150000002334 glycols Chemical class 0.000 claims description 3
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 claims description 3
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 3
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 116
- 239000010410 layer Substances 0.000 description 97
- 238000006243 chemical reaction Methods 0.000 description 68
- 230000015572 biosynthetic process Effects 0.000 description 53
- 239000002243 precursor Substances 0.000 description 39
- 238000005755 formation reaction Methods 0.000 description 36
- 238000005229 chemical vapour deposition Methods 0.000 description 30
- 239000007788 liquid Substances 0.000 description 26
- 238000000151 deposition Methods 0.000 description 25
- 238000000231 atomic layer deposition Methods 0.000 description 24
- 230000008021 deposition Effects 0.000 description 23
- 238000003786 synthesis reaction Methods 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 17
- 230000008016 vaporization Effects 0.000 description 14
- 239000012535 impurity Substances 0.000 description 13
- 230000008018 melting Effects 0.000 description 13
- 238000002844 melting Methods 0.000 description 13
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 13
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 13
- 239000004065 semiconductor Substances 0.000 description 13
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 12
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 12
- 239000003960 organic solvent Substances 0.000 description 12
- 239000011229 interlayer Substances 0.000 description 11
- 150000004767 nitrides Chemical class 0.000 description 11
- 239000000243 solution Substances 0.000 description 11
- 239000000126 substance Substances 0.000 description 11
- 239000006200 vaporizer Substances 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 10
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 description 10
- 238000002955 isolation Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 10
- 239000002904 solvent Substances 0.000 description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- 229910052581 Si3N4 Inorganic materials 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 239000006227 byproduct Substances 0.000 description 8
- 238000011156 evaluation Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 8
- 230000001590 oxidative effect Effects 0.000 description 8
- 238000010926 purge Methods 0.000 description 8
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 239000012159 carrier gas Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 239000012434 nucleophilic reagent Substances 0.000 description 7
- 229910052814 silicon oxide Inorganic materials 0.000 description 7
- 238000001179 sorption measurement Methods 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- 239000000460 chlorine Substances 0.000 description 6
- UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical compound CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 229910052718 tin Inorganic materials 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical class ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000005137 deposition process Methods 0.000 description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 5
- 238000010992 reflux Methods 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 5
- 229910052712 strontium Inorganic materials 0.000 description 5
- 239000010936 titanium Substances 0.000 description 5
- 238000005160 1H NMR spectroscopy Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 4
- 229910004121 SrRuO Inorganic materials 0.000 description 4
- 229910004491 TaAlN Inorganic materials 0.000 description 4
- 229910010037 TiAlN Inorganic materials 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- HJWFOQNTHJALMH-UHFFFAOYSA-J [Cl-].[Cl-].[Cl-].[Cl-].C[Nb+4]C1C=CC=C1 Chemical compound [Cl-].[Cl-].[Cl-].[Cl-].C[Nb+4]C1C=CC=C1 HJWFOQNTHJALMH-UHFFFAOYSA-J 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N acetic acid anhydride Natural products CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 4
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000921 elemental analysis Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 229910052732 germanium Inorganic materials 0.000 description 4
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 4
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 4
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 4
- 238000009834 vaporization Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 3
- JYVLIDXNZAXMDK-UHFFFAOYSA-N 2-pentanol Substances CCCC(C)O JYVLIDXNZAXMDK-UHFFFAOYSA-N 0.000 description 3
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-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
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 3
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 3
- 229910004166 TaN Inorganic materials 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 238000010835 comparative analysis Methods 0.000 description 3
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 229910052735 hafnium Inorganic materials 0.000 description 3
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 3
- 229910000449 hafnium oxide Inorganic materials 0.000 description 3
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 3
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 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 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 229910010271 silicon carbide Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 239000012312 sodium hydride Substances 0.000 description 3
- 229910000104 sodium hydride Inorganic materials 0.000 description 3
- 229910001936 tantalum oxide Inorganic materials 0.000 description 3
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 3
- 229910001928 zirconium oxide 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
- 125000006273 (C1-C3) alkyl group Chemical group 0.000 description 2
- QEGNUYASOUJEHD-UHFFFAOYSA-N 1,1-dimethylcyclohexane Chemical compound CC1(C)CCCCC1 QEGNUYASOUJEHD-UHFFFAOYSA-N 0.000 description 2
- VNPQQEYMXYCAEZ-UHFFFAOYSA-N 1,2,3,4-tetramethylcyclopenta-1,3-diene Chemical compound CC1=C(C)C(C)=C(C)C1 VNPQQEYMXYCAEZ-UHFFFAOYSA-N 0.000 description 2
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-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
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- IQSUNBLELDRPEY-UHFFFAOYSA-N 1-ethylcyclopenta-1,3-diene Chemical compound CCC1=CC=CC1 IQSUNBLELDRPEY-UHFFFAOYSA-N 0.000 description 2
- PAMIQIKDUOTOBW-UHFFFAOYSA-N 1-methylpiperidine Chemical compound CN1CCCCC1 PAMIQIKDUOTOBW-UHFFFAOYSA-N 0.000 description 2
- XEZNGIUYQVAUSS-UHFFFAOYSA-N 18-crown-6 Chemical compound C1COCCOCCOCCOCCOCCO1 XEZNGIUYQVAUSS-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
- GELMWIVBBPAMIO-UHFFFAOYSA-N 2-methylbutan-2-amine Chemical compound CCC(C)(C)N GELMWIVBBPAMIO-UHFFFAOYSA-N 0.000 description 2
- KDSNLYIMUZNERS-UHFFFAOYSA-N 2-methylpropanamine Chemical compound CC(C)CN KDSNLYIMUZNERS-UHFFFAOYSA-N 0.000 description 2
- HCFAJYNVAYBARA-UHFFFAOYSA-N 4-heptanone Chemical compound CCCC(=O)CCC HCFAJYNVAYBARA-UHFFFAOYSA-N 0.000 description 2
- QWJWPDHACGGABF-UHFFFAOYSA-N 5,5-dimethylcyclopenta-1,3-diene Chemical compound CC1(C)C=CC=C1 QWJWPDHACGGABF-UHFFFAOYSA-N 0.000 description 2
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical group [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910018921 CoO 3 Inorganic materials 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- 229910001218 Gallium arsenide 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
- 229910000673 Indium arsenide Inorganic materials 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 229910017855 NH 4 F Inorganic materials 0.000 description 2
- 229910001257 Nb alloy Inorganic materials 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 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
- UYLAESOZDHKXDL-UHFFFAOYSA-J [Cl-].[Cl-].[Cl-].[Cl-].C(C)[Nb+4]C1C=CC=C1 Chemical compound [Cl-].[Cl-].[Cl-].[Cl-].C(C)[Nb+4]C1C=CC=C1 UYLAESOZDHKXDL-UHFFFAOYSA-J 0.000 description 2
- XWCMFHPRATWWFO-UHFFFAOYSA-N [O-2].[Ta+5].[Sc+3].[O-2].[O-2].[O-2] Chemical compound [O-2].[Ta+5].[Sc+3].[O-2].[O-2].[O-2] XWCMFHPRATWWFO-UHFFFAOYSA-N 0.000 description 2
- ILCYGSITMBHYNK-UHFFFAOYSA-N [Si]=O.[Hf] Chemical compound [Si]=O.[Hf] ILCYGSITMBHYNK-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- VKJLWXGJGDEGSO-UHFFFAOYSA-N barium(2+);oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[Ti+4].[Ba+2] VKJLWXGJGDEGSO-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000005380 borophosphosilicate glass Substances 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 229940126214 compound 3 Drugs 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- ZFFVNOMMAXLMIC-UHFFFAOYSA-N cyclopenta-2,4-dien-1-yl-dimethyl-propylsilane Chemical compound C(C)C[Si](C)(C)C1C=CC=C1 ZFFVNOMMAXLMIC-UHFFFAOYSA-N 0.000 description 2
- 125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 description 2
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- 238000001514 detection method Methods 0.000 description 2
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Images
Classifications
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- 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
- C07F17/00—Metallocenes
-
- 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
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
- C01B21/0615—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with transition metals other than titanium, zirconium or hafnium
- C01B21/0617—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with transition metals other than titanium, zirconium or hafnium with vanadium, niobium or tantalum
-
- 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
- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
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Abstract
Description
2a 내지 도 2d는 각각 본 발명의 기술적 사상에 의한 박막 형성 방법에서 사용될 수 있는 예시적인 증착 장치의 구성을 개략적으로 나타낸 도면이다.
도 3은 본 발명의 기술적 사상에 의한 다른 실시예들에 따른 박막 형성 방법을 설명하기 위한 플로차트이다.
도 4는 본 발명의 기술적 사상에 의한 다른 실시예들에 따른 박막 형성 방법에서 나이오븀 함유막을 형성하는 공정을 설명하기 위한 플로차트이다.
도 5a 내지 도 5j는 본 발명의 기술적 사상에 의한 실시예들에 따른 집적회로 소자의 제조 방법을 설명하기 위하여 공정 순서에 따라 도시한 단면도들이다.
도 6a 내지 도 6c는 본 발명의 기술적 사상에 의한 다른 실시예들에 따른 집적회로 소자의 제조 방법을 설명하기 위한 도면들로서, 도 6a는 형성하고자 하는 집적회로 소자의 평면도이고, 도 6b는 도 6a의 집적회로 소자의 사시도이고, 도 6c는 도 6a의 X - X' 선 단면 및 Y - Y' 선 단면 구성을 보여주는 단면도이다.
도 7a 내지 도 7f는 도 6a 내지 도 6c에 예시한 집적회로 소자의 제조 방법을 설명하기 위하여 공정 순서에 따라 도시한 단면도들이다.
화합물 | 25 ℃ 상태 | 융점 (℃) | |
평가예 1 | 화학식 2 | 고체 | 40 |
평가예 2 | 화학식 3 | 액체 | - |
평가예 3 | 화학식 6 | 액체 | - |
비교평가예 1 | 화학식 37 | 고체 | 95 |
비교평가예 2 | 화학식 38 | 고체 | 70 |
비교평가예 3 | 화학식 39 | 액체 | - |
원료 화합물 | 박막의 두께 | 박막의 화합물 | 박막의 탄소함유량 | |
박막 형성 예 1 | 화학식 2 | 6 nm | NbN | 미검출 *1 |
박막 형성 예 2 | 화학식 3 | 9 nm | NbN | 미검출*1 |
박막 형성 예 3 | 화학식 6 | 8 nm | NbN | 미검출*1 |
박막 형성 비교예 1 | 화학식 37 | 3 nm | NbN | 5 atm% |
박막 형성 비교예 2 | 화학식 38 | 2 nm | NbN | 7 atm% |
박막 형성 비교예 3 | 화학식 39 | 2 nm | NbN | 10 atm% |
Claims (20)
- 삭제
- 삭제
- 삭제
- 제5항에 있어서,
R1은 C3-C5의 분기형 알킬기인 나이오븀 화합물. - 제5항에 있어서,
R1은 분기형 펜틸기이고,
R2 및 R3는 각각 염소 원자 또는 C1-C3의 직쇄 또는 분기형 알킬기이고,
R4는 C1-C3의 직쇄 또는 분기형 알킬기인 나이오븀 화합물. - 삭제
- 삭제
- 제5항에 있어서,
R1은 제3 펜틸기, 이소펜틸기, 또는 네오펜틸기이고,
R2 및 R3는 염소 원자 및 C1-C3의 직쇄 또는 분기형 알킬기 중에서 선택되는 서로 동일한 기이고,
R4는 C1-C3의 직쇄 또는 분기형 알킬기인 나이오븀 화합물. - 기판 상에 나이오븀 화합물을 공급하여 상기 기판 상에 나이오븀 함유막을 형성하는 단계를 포함하고,
상기 나이오븀 화합물은 다음 일반식 II로 표시되는 구조를 가지는 박막 형성 방법.
[일반식 II]
일반식 II에서, R1 및 R4는 각각 독립적으로 C1-C6의 직쇄 또는 분기형 알킬기이고,
R2 및 R3는 각각 독립적으로 할로겐 원소, 또는 C1-C6의 직쇄 또는 분기형 알킬기임. - 제11항에 있어서,
상기 나이오븀 함유막을 형성하는 단계는 상기 기판 상에 상기 나이오븀 화합물을 포함하는 원료를 공급하는 단계를 포함하고,
상기 원료는 알콜 화합물, 글리콜 화합물, β-디케톤 화합물, 시클로펜타디엔 화합물, 및 유기 아민 화합물 중에서 선택되는 적어도 하나의 유기 배위 화합물(organic coordination compound)과, 실리콘 및 금속 중에서 선택되는 어느 하나와의 화합물을 더 포함하는 박막 형성 방법. - 제11항에 있어서,
상기 나이오븀 함유막을 형성하는 단계는 상기 나이오븀 화합물과 반응성 가스를 동시에 또는 순차적으로 상기 기판 상에 공급하는 단계를 포함하는 박막 형성 방법. - 제11항에 있어서,
상기 나이오븀 함유막은 나이오븀막, 나이오븀 산화막, 나이오븀 질화막, 나이오븀 실리사이드막, 또는 이들의 조합으로 이루어지는 박막 형성 방법. - 삭제
- 제11항에 있어서,
일반식 II에서, R1은 C3-C5의 분기형 알킬기인 박막 형성 방법. - 제11항에 있어서,
일반식 II에서, R2 및 R3는 각각 할로겐 원소인 박막 형성 방법. - 제11항에 있어서,
일반식 II에서, R2 및 R3는 각각 C1-C3의 직쇄 또는 분기형 알킬기인 박막 형성 방법. - 제11항에 있어서,
일반식 II에서, R4는 C1-C3의 직쇄 또는 분기형 알킬기인 박막 형성 방법. - 제11항에 있어서,
일반식 II에서, R1은 분기형 펜틸기이고,
R2 및 R3는 각각 염소 원자 또는 C1-C3의 직쇄 또는 분기형 알킬기이고,
R4는 C1-C3의 직쇄 또는 분기형 알킬기인 박막 형성 방법.
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