JP5469037B2 - 金属含有フィルムのための第四族金属前駆体 - Google Patents
金属含有フィルムのための第四族金属前駆体 Download PDFInfo
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- JP5469037B2 JP5469037B2 JP2010237829A JP2010237829A JP5469037B2 JP 5469037 B2 JP5469037 B2 JP 5469037B2 JP 2010237829 A JP2010237829 A JP 2010237829A JP 2010237829 A JP2010237829 A JP 2010237829A JP 5469037 B2 JP5469037 B2 JP 5469037B2
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- bis
- precursor
- metal
- titanium
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- 239000002243 precursor Substances 0.000 title claims description 191
- 229910052751 metal Inorganic materials 0.000 title claims description 107
- 239000002184 metal Substances 0.000 title claims description 107
- 238000000034 method Methods 0.000 claims description 71
- 239000003446 ligand Substances 0.000 claims description 64
- 239000010936 titanium Substances 0.000 claims description 54
- 238000000151 deposition Methods 0.000 claims description 53
- -1 tert-amyl Chemical group 0.000 claims description 51
- 239000000203 mixture Substances 0.000 claims description 42
- 125000000217 alkyl group Chemical group 0.000 claims description 41
- 229910052719 titanium Inorganic materials 0.000 claims description 34
- 229910052760 oxygen Inorganic materials 0.000 claims description 31
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 28
- 125000003545 alkoxy group Chemical group 0.000 claims description 25
- 239000000243 solution Substances 0.000 claims description 24
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 20
- 239000002904 solvent Substances 0.000 claims description 20
- 125000003118 aryl group Chemical group 0.000 claims description 18
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 13
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- 239000001257 hydrogen Substances 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 229910052726 zirconium Inorganic materials 0.000 claims description 10
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 9
- 229910052712 strontium Inorganic materials 0.000 claims description 9
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 9
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 9
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 8
- 229910052788 barium Inorganic materials 0.000 claims description 7
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 7
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims description 6
- IIEWJVIFRVWJOD-UHFFFAOYSA-N ethylcyclohexane Chemical compound CCC1CCCCC1 IIEWJVIFRVWJOD-UHFFFAOYSA-N 0.000 claims description 6
- 229910052735 hafnium Inorganic materials 0.000 claims description 6
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 6
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical group [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 5
- 150000002431 hydrogen Chemical class 0.000 claims description 5
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 5
- 125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 claims description 4
- ZSWFCLXCOIISFI-UHFFFAOYSA-N endo-cyclopentadiene Natural products C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 claims description 4
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 claims description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000007983 Tris buffer Substances 0.000 claims description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 3
- 229910052746 lanthanum Inorganic materials 0.000 claims description 3
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 3
- AUHZEENZYGFFBQ-UHFFFAOYSA-N mesitylene Substances CC1=CC(C)=CC(C)=C1 AUHZEENZYGFFBQ-UHFFFAOYSA-N 0.000 claims description 3
- 125000001827 mesitylenyl group Chemical group [H]C1=C(C(*)=C(C([H])=C1C([H])([H])[H])C([H])([H])[H])C([H])([H])[H] 0.000 claims description 3
- 239000008096 xylene Substances 0.000 claims description 3
- 229910052684 Cerium Inorganic materials 0.000 claims description 2
- LYOIHNSHDVNIOB-UHFFFAOYSA-N barium(2+);2-tert-butyl-4,5-bis(2-methylbutan-2-yl)imidazol-3-ide Chemical compound CCC(C)(C)C1=C(C(C)(C)CC)N=C(C(C)(C)C)N1[Ba]N1C(C(C)(C)CC)=C(C(C)(C)CC)N=C1C(C)(C)C LYOIHNSHDVNIOB-UHFFFAOYSA-N 0.000 claims description 2
- 125000002883 imidazolyl group Chemical group 0.000 claims 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 claims description 2
- 125000000168 pyrrolyl group Chemical group 0.000 claims description 2
- WHBCMZZALZPWSY-UHFFFAOYSA-N strontium;2-tert-butyl-4,5-bis(2-methylbutan-2-yl)imidazol-3-ide Chemical compound CCC(C)(C)C1=C(C(C)(C)CC)N=C(C(C)(C)C)N1[Sr]N1C(C(C)(C)CC)=C(C(C)(C)CC)N=C1C(C)(C)C WHBCMZZALZPWSY-UHFFFAOYSA-N 0.000 claims description 2
- KVNYFPKFSJIPBJ-UHFFFAOYSA-N 1,2-diethylbenzene Chemical compound CCC1=CC=CC=C1CC KVNYFPKFSJIPBJ-UHFFFAOYSA-N 0.000 claims 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims 1
- 239000010408 film Substances 0.000 description 65
- 238000000231 atomic layer deposition Methods 0.000 description 54
- 230000008021 deposition Effects 0.000 description 45
- 230000008569 process Effects 0.000 description 41
- 238000005229 chemical vapour deposition Methods 0.000 description 40
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical class CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 32
- 239000000758 substrate Substances 0.000 description 30
- 239000007788 liquid Substances 0.000 description 29
- 229910044991 metal oxide Inorganic materials 0.000 description 28
- 150000004706 metal oxides Chemical class 0.000 description 28
- XTXCFTMJPRXBBC-UHFFFAOYSA-N methyl 4,4-dimethyl-3-oxopentanoate Chemical compound COC(=O)CC(=O)C(C)(C)C XTXCFTMJPRXBBC-UHFFFAOYSA-N 0.000 description 27
- 239000001301 oxygen Substances 0.000 description 27
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 26
- 229910052710 silicon Inorganic materials 0.000 description 26
- 239000010703 silicon Substances 0.000 description 26
- 238000010926 purge Methods 0.000 description 25
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 24
- FGYZMKKEKBREKM-UHFFFAOYSA-N [Ti].C(C)C(C(=O)OOCC)C(C(C)(C)C)=O.C(C)C(C(=O)OOCC)C(C(C)(C)C)=O Chemical compound [Ti].C(C)C(C(=O)OOCC)C(C(C)(C)C)=O.C(C)C(C(=O)OOCC)C(C(C)(C)C)=O FGYZMKKEKBREKM-UHFFFAOYSA-N 0.000 description 24
- 239000000463 material Substances 0.000 description 24
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 22
- 238000006243 chemical reaction Methods 0.000 description 21
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 20
- 239000007789 gas Substances 0.000 description 20
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 17
- 238000010438 heat treatment Methods 0.000 description 16
- 230000015572 biosynthetic process Effects 0.000 description 15
- 239000007787 solid Substances 0.000 description 14
- 238000005160 1H NMR spectroscopy Methods 0.000 description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 229910010413 TiO 2 Inorganic materials 0.000 description 12
- 238000000113 differential scanning calorimetry Methods 0.000 description 12
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 12
- 125000003506 n-propoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 11
- 229910052814 silicon oxide Inorganic materials 0.000 description 11
- 230000005587 bubbling Effects 0.000 description 10
- 230000008859 change Effects 0.000 description 10
- 238000005137 deposition process Methods 0.000 description 10
- LPHBJOLNSOETKW-UHFFFAOYSA-N propyl 4,4-dimethyl-3-oxopentanoate Chemical compound CCCOC(=O)CC(=O)C(C)(C)C LPHBJOLNSOETKW-UHFFFAOYSA-N 0.000 description 10
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 10
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 9
- FVEFSACGFKYRDG-UHFFFAOYSA-N ethyl 3-oxohexaneperoxoate;titanium Chemical compound [Ti].CCCC(=O)CC(=O)OOCC.CCCC(=O)CC(=O)OOCC FVEFSACGFKYRDG-UHFFFAOYSA-N 0.000 description 9
- 230000008018 melting Effects 0.000 description 9
- 238000002844 melting Methods 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 238000003786 synthesis reaction Methods 0.000 description 9
- 239000003039 volatile agent Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 8
- 125000004122 cyclic group Chemical group 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 8
- 239000004065 semiconductor Substances 0.000 description 8
- 125000002723 alicyclic group Chemical group 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 125000003709 fluoroalkyl group Chemical group 0.000 description 7
- NBTOZLQBSIZIKS-UHFFFAOYSA-N methoxide Chemical group [O-]C NBTOZLQBSIZIKS-UHFFFAOYSA-N 0.000 description 7
- 239000000376 reactant Substances 0.000 description 7
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 6
- 125000004183 alkoxy alkyl group Chemical group 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 125000004432 carbon atom Chemical group C* 0.000 description 6
- 239000003989 dielectric material Substances 0.000 description 6
- 239000011261 inert gas Substances 0.000 description 6
- 229910052914 metal silicate Inorganic materials 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 238000002411 thermogravimetry Methods 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 5
- 239000012159 carrier gas Substances 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 5
- VUYNTIDSHCJIKF-UHFFFAOYSA-N ethyl 4,4-dimethyl-3-oxopentanoate Chemical compound CCOC(=O)CC(=O)C(C)(C)C VUYNTIDSHCJIKF-UHFFFAOYSA-N 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000011541 reaction mixture Substances 0.000 description 5
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 5
- 238000009834 vaporization Methods 0.000 description 5
- 230000008016 vaporization Effects 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 238000005481 NMR spectroscopy Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 239000002775 capsule Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- HHFAWKCIHAUFRX-UHFFFAOYSA-N ethoxide Chemical compound CC[O-] HHFAWKCIHAUFRX-UHFFFAOYSA-N 0.000 description 4
- LQEGODKCLVMHIY-UHFFFAOYSA-N methyl 3-oxopentaneperoxoate;titanium Chemical compound [Ti].CCC(=O)CC(=O)OOC.CCC(=O)CC(=O)OOC LQEGODKCLVMHIY-UHFFFAOYSA-N 0.000 description 4
- 150000004767 nitrides Chemical class 0.000 description 4
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- 238000000197 pyrolysis Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000006557 surface reaction Methods 0.000 description 4
- 238000005809 transesterification reaction Methods 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 3
- 229910052454 barium strontium titanate Inorganic materials 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 239000013058 crude material Substances 0.000 description 3
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 3
- 229940093858 ethyl acetoacetate Drugs 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- DVHMVRMYGHTALQ-UHFFFAOYSA-N silylhydrazine Chemical compound NN[SiH3] DVHMVRMYGHTALQ-UHFFFAOYSA-N 0.000 description 3
- 238000004467 single crystal X-ray diffraction Methods 0.000 description 3
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 3
- 238000000859 sublimation Methods 0.000 description 3
- 230000008022 sublimation Effects 0.000 description 3
- 238000005292 vacuum distillation Methods 0.000 description 3
- 239000006200 vaporizer Substances 0.000 description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 description 3
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 description 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 2
- VATRWWPJWVCZTA-UHFFFAOYSA-N 3-oxo-n-[2-(trifluoromethyl)phenyl]butanamide Chemical compound CC(=O)CC(=O)NC1=CC=CC=C1C(F)(F)F VATRWWPJWVCZTA-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 2
- WRQNANDWMGAFTP-UHFFFAOYSA-N Methylacetoacetic acid Chemical compound COC(=O)CC(C)=O WRQNANDWMGAFTP-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- FQMOYGXDXQVQPZ-UHFFFAOYSA-N [Ti].C(CC)C(C(=O)OOC)C(C(C)(C)C)=O.C(CC)C(C(=O)OOC)C(C(C)(C)C)=O Chemical compound [Ti].C(CC)C(C(=O)OOC)C(C(C)(C)C)=O.C(CC)C(C(=O)OOC)C(C(C)(C)C)=O FQMOYGXDXQVQPZ-UHFFFAOYSA-N 0.000 description 2
- HMXJACLJZUDASU-UHFFFAOYSA-N [Ti].C(CC)C(C(=O)OOCCC)C(C(C)(C)C)=O.C(CC)C(C(=O)OOCCC)C(C(C)(C)C)=O Chemical compound [Ti].C(CC)C(C(=O)OOCCC)C(C(C)(C)C)=O.C(CC)C(C(=O)OOCCC)C(C(C)(C)C)=O HMXJACLJZUDASU-UHFFFAOYSA-N 0.000 description 2
- HDHGEBPEXMZERF-UHFFFAOYSA-N [Ti].CC(C(=O)OOCCC)C(C(C)(C)C)=O.CC(C(=O)OOCCC)C(C(C)(C)C)=O Chemical compound [Ti].CC(C(=O)OOCCC)C(C(C)(C)C)=O.CC(C(=O)OOCCC)C(C(C)(C)C)=O HDHGEBPEXMZERF-UHFFFAOYSA-N 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 2
- 150000003857 carboxamides Chemical class 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 150000004292 cyclic ethers Chemical class 0.000 description 2
- VBCSQFQVDXIOJL-UHFFFAOYSA-N diethylazanide;hafnium(4+) Chemical compound [Hf+4].CC[N-]CC.CC[N-]CC.CC[N-]CC.CC[N-]CC VBCSQFQVDXIOJL-UHFFFAOYSA-N 0.000 description 2
- VJDVOZLYDLHLSM-UHFFFAOYSA-N diethylazanide;titanium(4+) Chemical compound [Ti+4].CC[N-]CC.CC[N-]CC.CC[N-]CC.CC[N-]CC VJDVOZLYDLHLSM-UHFFFAOYSA-N 0.000 description 2
- GOVWJRDDHRBJRW-UHFFFAOYSA-N diethylazanide;zirconium(4+) Chemical compound [Zr+4].CC[N-]CC.CC[N-]CC.CC[N-]CC.CC[N-]CC GOVWJRDDHRBJRW-UHFFFAOYSA-N 0.000 description 2
- ZYLGGWPMIDHSEZ-UHFFFAOYSA-N dimethylazanide;hafnium(4+) Chemical compound [Hf+4].C[N-]C.C[N-]C.C[N-]C.C[N-]C ZYLGGWPMIDHSEZ-UHFFFAOYSA-N 0.000 description 2
- DWCMDRNGBIZOQL-UHFFFAOYSA-N dimethylazanide;zirconium(4+) Chemical compound [Zr+4].C[N-]C.C[N-]C.C[N-]C.C[N-]C DWCMDRNGBIZOQL-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- NPEOKFBCHNGLJD-UHFFFAOYSA-N ethyl(methyl)azanide;hafnium(4+) Chemical compound [Hf+4].CC[N-]C.CC[N-]C.CC[N-]C.CC[N-]C NPEOKFBCHNGLJD-UHFFFAOYSA-N 0.000 description 2
- LNKYFCABELSPAN-UHFFFAOYSA-N ethyl(methyl)azanide;titanium(4+) Chemical compound [Ti+4].CC[N-]C.CC[N-]C.CC[N-]C.CC[N-]C LNKYFCABELSPAN-UHFFFAOYSA-N 0.000 description 2
- SRLSISLWUNZOOB-UHFFFAOYSA-N ethyl(methyl)azanide;zirconium(4+) Chemical compound [Zr+4].CC[N-]C.CC[N-]C.CC[N-]C.CC[N-]C SRLSISLWUNZOOB-UHFFFAOYSA-N 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000012705 liquid precursor Substances 0.000 description 2
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- 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 1
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- 238000013461 design Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 125000001664 diethylamino group Chemical group [H]C([H])([H])C([H])([H])N(*)C([H])([H])C([H])([H])[H] 0.000 description 1
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- 125000001841 imino group Chemical group [H]N=* 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000005527 interface trap Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
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- 238000011068 loading method Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
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- 238000004949 mass spectrometry Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- AJFDBNQQDYLMJN-UHFFFAOYSA-N n,n-diethylacetamide Chemical compound CCN(CC)C(C)=O AJFDBNQQDYLMJN-UHFFFAOYSA-N 0.000 description 1
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- UGJHADISJBNSFP-UHFFFAOYSA-N n-bis(tert-butylamino)silyl-2-methylpropan-2-amine Chemical compound CC(C)(C)N[SiH](NC(C)(C)C)NC(C)(C)C UGJHADISJBNSFP-UHFFFAOYSA-N 0.000 description 1
- PZYDAVFRVJXFHS-UHFFFAOYSA-N n-cyclohexyl-2-pyrrolidone Chemical compound O=C1CCCN1C1CCCCC1 PZYDAVFRVJXFHS-UHFFFAOYSA-N 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
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- 229920000642 polymer Polymers 0.000 description 1
- OGHBATFHNDZKSO-UHFFFAOYSA-N propan-2-olate Chemical compound CC(C)[O-] OGHBATFHNDZKSO-UHFFFAOYSA-N 0.000 description 1
- WFODUNNVNHQZIT-UHFFFAOYSA-N propan-2-yl 4,4-dimethyl-3-oxopentanoate Chemical compound CC(C)OC(=O)CC(=O)C(C)(C)C WFODUNNVNHQZIT-UHFFFAOYSA-N 0.000 description 1
- YYVGYULIMDRZMJ-UHFFFAOYSA-N propan-2-ylsilane Chemical compound CC(C)[SiH3] YYVGYULIMDRZMJ-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
- 239000008213 purified water Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
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- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- YBRBMKDOPFTVDT-UHFFFAOYSA-N tert-butylamine Chemical compound CC(C)(C)N YBRBMKDOPFTVDT-UHFFFAOYSA-N 0.000 description 1
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- UKRDPEFKFJNXQM-UHFFFAOYSA-N vinylsilane Chemical compound [SiH3]C=C UKRDPEFKFJNXQM-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
-
- 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
- C07F7/003—Compounds containing elements of Groups 4 or 14 of the Periodic Table without C-Metal linkages
-
- 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
-
- 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
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- 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
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Description
ビス(イソ−プロポキシ)ビス(メチル4,4−ジメチル−3−オキソペンタノアート)チタンの合成
1H−NMRは、配位したメチル4,4−ジメチル−3−オキソペンタノアートを裏づけ、且つTiに配位したiPrOのMDOPに対する所望の比が、2つのMDOP配位子に対して2つのiPrOであることを示している。
1H−NMR(500MHz,THF)δ(ppm):5.12(CH,MDOP),4.69(CH,O−iPr),3.55及び3.80(OCH3,MDOP),1.40[(CH3)2],1.05及び1.20[C(CH3)3及びC(CH3)2]。
ビス(エトキシ)ビス(メチル4,4−ジメチル−3−オキソペンタノアート)チタンの合成
1H−NMR(500 MHz,C6D6)δ(ppm):5.40(CH,EDOP),4.70(OCH2,エトキシ),4.40(OCH3,エトキシ),4.0(OCH2,EDOP),3.40及び3.65(OCH3,MDOP),1.35(CH3,エトキシ),1.15及び1.26(C(CH3)3,MDOP)。
ビス(n−プロポキシ)ビス(メチル4,4−ジメチル−3−オキソペンタノアート)チタンの合成
ビス(メトキシ)ビス(n−プロピル4,4−ジメチル−3−オキソペンタノアート)チタンの合成
1H−NMR(500MHz,d8−toluene δ(ppm):5.27(CH,ケトエステラート),4.54(OCH3,メトキシ),4.3(OCH3,メトキシ),3.90(OCH2,ケトエステラート),1.49(OCH2,ケトエステラート),1.05及び1.20(C(CH3)3,ケトエステラート),0.75(CH3,ケトエステラート)。
ビス(エトキシ)ビス(エチルアセトアセテート)チタンの合成
ビス(メトキシ)ビス(メチルアセトアセテート)チタンの合成
ビス(メトキシ)ビス(メチル4,4−ジメチル−3−オキソペンタノアート)チタンの合成
1H−NMR(500MHz,C6D6)δ(ppm):5.36(CH),4.39(OCH3,メトキシ),3.29(OCH3,ケトエステラート),1.19[C(CH3)3]。
ビス(エトキシ)ビス(エチル4,4−ジメチル−3−オキソペンタノアート)チタンの合成
1H−NMR(500MHz,C6D6)δ(ppm):5.37(CH),4.70 (OCH2CH3),3.97及び3.92(OCH2CH3,ケトエステラート),1.34(OCH2CH3),1.23及び1.10[C(CH3)3],1.03及び0.96(OCH2CH3,ケトエステラート)。
ビス(n−プロポキシ)ビス(n−プロピル4,4−ジメチル−3−オキソペンタノアート)チタンの合成
1H−NMR(500MHz,d8−トルエンδ(ppm):5.17(CH,ケトエステラート),4.45(OCH2,n−プロポキシド),3.86及び3.74(OCH2,ケトエステラート),1.55(CH2,n−プロポキシド),1.38(CH2,ケトエステラート),0.95及び1.12(C(CH3)3,ケトエステラート),0.90(CH3,n−プロポキシド),0.70(CH3,ケトエステラート)。
ビス(メトキシ)ビス(メチル4,4−ジメチル−3−オキソペンタノアート)チタンの熱安定性
ビス(エトキシ)ビス(エチル4,4−ジメチル−3−オキソペンタノアート)チタンと、ビス(エトキシ)ビス(エチルアセトアセテート)チタンとの熱安定性の比較
ビス(メトキシ)ビス(メチル4,4−ジメチル−3−オキソペンタノアート)チタンと、ビス(メトキシ)ビス(メチルアセトアセテート)チタンとの熱安定性の比較
ビス(エトキシ)ビス(エチル4,4−ジメチル−3−オキソペンタノアート)チタンの粘度
ビス(メトキシ)ビス(メチル4,4−ジメチル−3−オキソペンタノアート)チタンの表面熱反応
1.Arをキャリアガスとして用いたバブリングによってチタン前駆体を導入する;
2.Arパージして、あらゆる残留チタン前駆体をArで除去する。
典型的な条件は、Ti前駆体パルス時間が5秒で、且つTi前駆体パルス後のArパージ時間が10秒である。そのサイクルを100回繰り返し、そしてチタン密度を、図7(#1)に示すように蛍光X線(XRF)で測定した。これは、ビス(メトキシ)ビス(メチル 4,4−ジメチル−3−オキソペンタノアート)チタンが、少なくとも350℃までの温度で熱分解しないことを示唆している。
ビス(エトキシ)ビス(エチル4,4−ジメチル−3−オキソペンタノアート)チタンの表面熱反応
1.Arをキャリアガスとして用いたバブリングによりチタン前駆体を導入する;
2.Arパージして、あらゆる残留チタン前駆体をArで除去する。
典型的な条件は、Ti前駆体パルス時間が5秒で、且つTi前駆体パルス後のArパージ時間が10秒である。そのサイクルを100回繰り返し、そして基材表面上のチタン密度を、図7(#2)に示すようにXRFで測定した。これは、ビス(エトキシ)ビス(エチル 4,4−ジメチル−3−オキソペンタノアート)チタンが、少なくとも350℃までの温度で熱分解しないことを示唆している。
ビス(メトキシ)ビス(メチル4,4−ジメチル−3−オキソペンタノアート)チタンを用いたTiO2のALD
1.Arをキャリアガスとして用いたバブリングによりチタン前駆体を導入する;
2.Arパージして、あらゆる残留チタン前駆体をArで除去する;
3.オゾンを堆積チャンバーに導入する;及び
4.Arパージして、あらゆる未反応のオゾンを除去する。
典型的なALD条件は、Ti前駆体パルス時間が4又は8秒であり、Ti前駆体パルス後のArパージ時間が10秒であり、オゾンパルス時間が5秒であり、且つオゾンパルス後のArパージ時間が10秒であった。そのサイクルを100回繰り返し、そしてTiO2フィルムを得た。酸化チタンの厚みの堆積温度の依存性は、ALDのサーマルプロセスウィンドウが、約370℃までとすることができ、ALDの率は、0.6Å/サイクルまでにもすることができることを示唆している。
ビス(エトキシ)ビス(エチル4,4−ジメチル−3−オキソペンタノアート)チタンを用いたTiO2のALD
1.Arをキャリアガスとして用いたバブリングによりチタン前駆体を導入する;
2.Arパージして、あらゆる残留チタン前駆体をArで除去する;
3.オゾンを堆積チャンバーに導入する;及び
4.Arパージして、あらゆる未反応のオゾンを除去する。
典型的なALD条件は、Ti前駆体パルス時間が4又は8秒であり、Ti前駆体パルス後のArパージ時間が10秒であり、オゾンパルス時間が5秒であり、且つオゾンパルス後のArパージ時間が10秒であった。そのサイクルを100回繰り返し、そしてTiO2フィルムを得た。酸化チタンの厚みの堆積温度への依存性を、図8に示す。その結果は、ALDのサーマルプロセスウィンドウが、約375℃までで、ALDの率が約0.5Å/サイクルにできることを示唆している。
パターン化された基材へのビス(エトキシ)ビス(エチル4,4−ジメチル−3−オキソペンタノアート)チタンを用いたTiO2のALD
Claims (14)
- 次の式で表される、第四族金属前駆体:
- R1が、直鎖のC1〜10アルキルからなる群より選択される、請求項1に記載の前駆体。
- R1が、メチル、エチル、n−プロピルからなる群より選択される、請求項2に記載の前駆体。
- R2がイソ−プロピル、tert−ブチル、sec−ブチル、イソ−ブチル及びtert−アミルからなる群より選択される、請求項1〜3のいずれか一項に記載の前駆体。
- R3が水素である、請求項1〜4のいずれか一項に記載の前駆体。
- Mがジルコニウムであり、且つR1が、分岐鎖のC3〜10のアルキル基からなる群より選択される、請求項1、4及び5のいずれか一項に記載の前駆体。
- Mがチタンである、請求項1〜5のいずれか一項に記載の前駆体。
- 請求項1〜7のいずれか一項に記載の前駆体と溶媒との溶液。
- 前記溶媒が、オクタン、エチルシクロヘキサン、ドデカン、トルエン、キシレン、メシチレン、ジエチルベンゼン及びこれらの混合物からなる群より選択される、請求項8に記載の溶液。
- 請求項1〜7のいずれか一項に記載の前駆体を用いることを含む、第四族金属含有フィルムを堆積させる方法。
- 第四族金属前駆体と、少なくとも一つの追加の金属前駆体とを反応させることを含む請求項10に記載の方法であって、前記少なくとも一つの追加の金属前駆体の金属は、第二族〜第十六族から選択され、前記少なくとも一つの追加の金属前駆体の一以上の配位子は、β−ジケトナート、β−ジケトエステラート、β−ケトイミナート、β−ジイミナート、アルキル、カルボニル、アルキルカルボニル、シクロペンタジエニル、ピロリル、イミダゾリル、アミジナート、アルコキシ、及びこれらの混合体からなる群より選択され、且つ一座、二座、又は多座の一つとなる、請求項10に記載の方法。
- 前記少なくとも一つの追加の金属前駆体が、ビス(2,2−ジメチル−5−(ジメチルアミノエチルイミノ)−3−ヘキサノナート−N,O,N’)ストロンチウム、ビス(2,2−ジメチル−5−(1−ジメチルアミノ−2−プロピルイミノ)−3−ヘキサノナート−N,O,N’)ストロンチウム、テトラキス(2,2,6,6−テトラメチル−3,5−ヘプタンジオナート)セリウム(IV)、トリス(2,2,6,6−テトラメチル−3,5−ヘプタンジオナート)ランタン、Sr[(tBu)3Cp]2、Sr[(iPr)3Cp]2、Sr[(nPrMe4Cp]2、Ba[(tBu)3Cp]2、LaCp3、La(MeCp)3、La(EtCp)3、La(iPrCp)3、ジルコニウムtert−ブトキシド、ストロンチウムビス(2−tert−ブチル−4,5−ジ−tert−アミルイミダゾレート)、バリウムビス(2−tert−ブチル−4,5−ジ−tert−アミルイミダゾレート)、バリウムビス(2,5−ジ−tert−ブチル−ピロリル)からなる群より選択される、請求項11に記載の方法。
- 前記第四族金属前駆体が、そのままの形態、及び溶媒に溶解した形態からなる群より選択される形態である、請求項10〜12のいずれか一項に記載の方法。
- R 1 が、メチル、エチル、n−プロピルからなる群より選択され;R 2 がイソ−プロピル、tert−ブチル、sec−ブチル、イソ−ブチル及びtert−アミルからなる群より選択され;R 3 が水素であり;かつMがチタンである、請求項1に記載の前駆体。
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US8952188B2 (en) | 2015-02-10 |
JP2011121936A (ja) | 2011-06-23 |
US20110250126A1 (en) | 2011-10-13 |
EP2322530B1 (en) | 2016-04-06 |
KR20110044724A (ko) | 2011-04-29 |
CN102040620B (zh) | 2014-09-03 |
KR20130093579A (ko) | 2013-08-22 |
EP2322530A3 (en) | 2011-06-15 |
EP2322530A2 (en) | 2011-05-18 |
TW201118193A (en) | 2011-06-01 |
KR20160076503A (ko) | 2016-06-30 |
CN102040620A (zh) | 2011-05-04 |
TWI454589B (zh) | 2014-10-01 |
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