JP6588480B2 - 有機アミノシラン前駆体およびこれを含む膜の堆積方法 - Google Patents
有機アミノシラン前駆体およびこれを含む膜の堆積方法 Download PDFInfo
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- JP6588480B2 JP6588480B2 JP2017013290A JP2017013290A JP6588480B2 JP 6588480 B2 JP6588480 B2 JP 6588480B2 JP 2017013290 A JP2017013290 A JP 2017013290A JP 2017013290 A JP2017013290 A JP 2017013290A JP 6588480 B2 JP6588480 B2 JP 6588480B2
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- branched
- linear
- silicon
- disilabutane
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- 239000002243 precursor Substances 0.000 title claims description 168
- 238000000034 method Methods 0.000 title claims description 144
- 238000000151 deposition Methods 0.000 title claims description 51
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 140
- 229910052710 silicon Inorganic materials 0.000 claims description 117
- 239000010703 silicon Substances 0.000 claims description 117
- 239000000758 substrate Substances 0.000 claims description 71
- 229910052757 nitrogen Inorganic materials 0.000 claims description 68
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 67
- 238000000231 atomic layer deposition Methods 0.000 claims description 62
- 125000006165 cyclic alkyl group Chemical group 0.000 claims description 55
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 claims description 54
- 125000003342 alkenyl group Chemical group 0.000 claims description 53
- 125000000304 alkynyl group Chemical group 0.000 claims description 53
- 125000002947 alkylene group Chemical group 0.000 claims description 51
- 125000004122 cyclic group Chemical group 0.000 claims description 46
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 44
- 229910052739 hydrogen Inorganic materials 0.000 claims description 43
- 229910052760 oxygen Inorganic materials 0.000 claims description 43
- 239000001257 hydrogen Substances 0.000 claims description 42
- 239000001301 oxygen Substances 0.000 claims description 42
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 41
- 239000007789 gas Substances 0.000 claims description 36
- 230000008021 deposition Effects 0.000 claims description 34
- 239000000203 mixture Substances 0.000 claims description 34
- 125000003118 aryl group Chemical group 0.000 claims description 32
- 150000002431 hydrogen Chemical class 0.000 claims description 32
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 32
- 125000000172 C5-C10 aryl group Chemical group 0.000 claims description 29
- 150000001875 compounds Chemical class 0.000 claims description 29
- 238000006243 chemical reaction Methods 0.000 claims description 28
- 125000000732 arylene group Chemical group 0.000 claims description 27
- 125000005549 heteroarylene group Chemical group 0.000 claims description 27
- 125000000623 heterocyclic group Chemical group 0.000 claims description 27
- 125000006832 (C1-C10) alkylene group Chemical group 0.000 claims description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 26
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 26
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 26
- 125000004432 carbon atom Chemical group C* 0.000 claims description 25
- 239000002904 solvent Substances 0.000 claims description 25
- 229910052786 argon Inorganic materials 0.000 claims description 22
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical group N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 20
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 18
- 238000009835 boiling Methods 0.000 claims description 17
- -1 di -tert- pentylamino Chemical group 0.000 claims description 17
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 17
- KAXQKXRGDGLZNM-UHFFFAOYSA-N N-propan-2-yl-N-(2-silylethylsilyl)propan-2-amine Chemical compound CC(C)N([SiH2]CC[SiH3])C(C)C KAXQKXRGDGLZNM-UHFFFAOYSA-N 0.000 claims description 16
- 238000005137 deposition process Methods 0.000 claims description 16
- 238000005229 chemical vapour deposition Methods 0.000 claims description 15
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 14
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 claims description 14
- 150000001412 amines Chemical class 0.000 claims description 13
- 239000003638 chemical reducing agent Substances 0.000 claims description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 10
- 229910021529 ammonia Inorganic materials 0.000 claims description 10
- 125000000524 functional group Chemical group 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 229910052734 helium Inorganic materials 0.000 claims description 7
- 239000001307 helium Substances 0.000 claims description 7
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 7
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 6
- 125000001072 heteroaryl group Chemical group 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 6
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 claims description 6
- 125000005343 heterocyclic alkyl group Chemical group 0.000 claims description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- KAZLLBUHUZCRAY-UHFFFAOYSA-N N-[2-(diethylaminosilyl)ethylsilyl]-N-ethylethanamine Chemical compound CCN(CC)[SiH2]CC[SiH2]N(CC)CC KAZLLBUHUZCRAY-UHFFFAOYSA-N 0.000 claims description 4
- ZADCJZOOEZBYHW-UHFFFAOYSA-N N-ethyl-N-(2-silylethylsilyl)ethanamine Chemical compound CCN(CC)[SiH2]CC[SiH3] ZADCJZOOEZBYHW-UHFFFAOYSA-N 0.000 claims description 4
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 4
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 4
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 4
- MRVZISBNDKCGFB-UHFFFAOYSA-N CC(C)N([SiH2]CC[SiH2]N(C(C)C)C(C)C)C(C)C Chemical compound CC(C)N([SiH2]CC[SiH2]N(C(C)C)C(C)C)C(C)C MRVZISBNDKCGFB-UHFFFAOYSA-N 0.000 claims description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- 239000005977 Ethylene Substances 0.000 claims description 3
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 3
- 229930195733 hydrocarbon Natural products 0.000 claims description 3
- 150000003512 tertiary amines Chemical class 0.000 claims description 3
- 125000001302 tertiary amino group Chemical group 0.000 claims description 3
- 239000004215 Carbon black (E152) Substances 0.000 claims description 2
- 125000001664 diethylamino group Chemical group [H]C([H])([H])C([H])([H])N(*)C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 2
- 238000007740 vapor deposition Methods 0.000 claims description 2
- ADEZZEJMKXBJPJ-UHFFFAOYSA-N CCC(C)N([SiH2]C[SiH3])C(C)CC Chemical compound CCC(C)N([SiH2]C[SiH3])C(C)CC ADEZZEJMKXBJPJ-UHFFFAOYSA-N 0.000 claims 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 2
- GXRMJKLMLFLCMQ-UHFFFAOYSA-N (2,6-dimethylpiperidin-1-yl)-(2-silylethyl)silane Chemical compound CC1CCCC(C)N1[SiH2]CC[SiH3] GXRMJKLMLFLCMQ-UHFFFAOYSA-N 0.000 claims 1
- HYMLJOQBAUNCNI-UHFFFAOYSA-N (2,6-dimethylpiperidin-1-yl)-(silylmethyl)silane Chemical compound CC1CCCC(C)N1[SiH2]C[SiH3] HYMLJOQBAUNCNI-UHFFFAOYSA-N 0.000 claims 1
- IWUWTNLPQLMGRE-UHFFFAOYSA-N 1-phenyl-N-(2-silylethylsilyl)ethanamine Chemical compound CC(N[SiH2]CC[SiH3])c1ccccc1 IWUWTNLPQLMGRE-UHFFFAOYSA-N 0.000 claims 1
- OOPDSRUSKXNFSJ-UHFFFAOYSA-N 1-phenyl-N-(2-silylethylsilyl)methanamine Chemical compound [SiH3]CC[SiH2]NCc1ccccc1 OOPDSRUSKXNFSJ-UHFFFAOYSA-N 0.000 claims 1
- ZGJYWVAHPDXQBQ-UHFFFAOYSA-N 1-phenyl-N-(silylmethylsilyl)methanamine Chemical compound [SiH3]C[SiH2]NCc1ccccc1 ZGJYWVAHPDXQBQ-UHFFFAOYSA-N 0.000 claims 1
- WEWYOPYUPZGEQQ-UHFFFAOYSA-N 2-methyl-N-(2-methylbutan-2-yl)-N-(silylmethylsilyl)butan-2-amine Chemical compound CCC(C)(C)N([SiH2]C[SiH3])C(C)(C)CC WEWYOPYUPZGEQQ-UHFFFAOYSA-N 0.000 claims 1
- JPUHGVSJMYKBAR-UHFFFAOYSA-N 2-phenyl-N-(silylmethylsilyl)ethanamine Chemical compound C1(=CC=CC=C1)CCN[SiH2]C[SiH3] JPUHGVSJMYKBAR-UHFFFAOYSA-N 0.000 claims 1
- MQWIWOJSOXGFIC-UHFFFAOYSA-N CC(C)CN(CC(C)C)[SiH2]CC[SiH2]N(CC(C)C)CC(C)C Chemical compound CC(C)CN(CC(C)C)[SiH2]CC[SiH2]N(CC(C)C)CC(C)C MQWIWOJSOXGFIC-UHFFFAOYSA-N 0.000 claims 1
- NQZUDPMNNQYQQM-UHFFFAOYSA-N CN(C)[SiH2]C[SiH2]N(C)C Chemical compound CN(C)[SiH2]C[SiH2]N(C)C NQZUDPMNNQYQQM-UHFFFAOYSA-N 0.000 claims 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims 1
- YTAQWCBYIUFOQX-UHFFFAOYSA-N N-(silylmethylsilyl)propan-1-amine Chemical compound CCCN[SiH2]C[SiH3] YTAQWCBYIUFOQX-UHFFFAOYSA-N 0.000 claims 1
- BCOJGFMAFWNCDI-UHFFFAOYSA-N N-[2-(dimethylaminosilyl)ethylsilyl]-N-methylmethanamine Chemical compound CN(C)[SiH2]CC[SiH2]N(C)C BCOJGFMAFWNCDI-UHFFFAOYSA-N 0.000 claims 1
- VGEPVJWCXOQWOI-UHFFFAOYSA-N N-[2-[ethyl(methyl)amino]silylethylsilyl]-N-methylethanamine Chemical compound CCN(C)[SiH2]CC[SiH2]N(C)CC VGEPVJWCXOQWOI-UHFFFAOYSA-N 0.000 claims 1
- ZPKBQFGCPSALBV-UHFFFAOYSA-N N-[[di(propan-2-yl)amino]silylmethylsilyl]-N-propan-2-ylpropan-2-amine Chemical compound CC(C)N([SiH2]C[SiH2]N(C(C)C)C(C)C)C(C)C ZPKBQFGCPSALBV-UHFFFAOYSA-N 0.000 claims 1
- ZPDZWCNUTCACSA-UHFFFAOYSA-N N-[[ethyl(methyl)amino]silylmethylsilyl]-N-methylethanamine Chemical compound CCN(C)[SiH2]C[SiH2]N(C)CC ZPDZWCNUTCACSA-UHFFFAOYSA-N 0.000 claims 1
- NHWFAOJRWWLMEL-UHFFFAOYSA-N N-butan-2-yl-N-(2-silylethylsilyl)butan-2-amine Chemical compound CCC(C)N([SiH2]CC[SiH3])C(C)CC NHWFAOJRWWLMEL-UHFFFAOYSA-N 0.000 claims 1
- DBCYMJCCHIEJFM-UHFFFAOYSA-N N-ethyl-N-(silylmethylsilyl)ethanamine Chemical compound CCN(CC)[SiH2]C[SiH3] DBCYMJCCHIEJFM-UHFFFAOYSA-N 0.000 claims 1
- SBRBMGCFSQGPMM-UHFFFAOYSA-N N-methyl-N-(2-silylethylsilyl)methanamine Chemical compound CN(C)[SiH2]CC[SiH3] SBRBMGCFSQGPMM-UHFFFAOYSA-N 0.000 claims 1
- YFBXPVABRTUCJY-UHFFFAOYSA-N N-methyl-N-(silylmethylsilyl)methanamine Chemical compound CN(C)[SiH2]C[SiH3] YFBXPVABRTUCJY-UHFFFAOYSA-N 0.000 claims 1
- YVECFKLXGMLZLK-UHFFFAOYSA-N N-propan-2-yl-N-(silylmethylsilyl)propan-2-amine Chemical compound CC(C)N([SiH2]C[SiH3])C(C)C YVECFKLXGMLZLK-UHFFFAOYSA-N 0.000 claims 1
- YEPGPGFZFGOCIM-UHFFFAOYSA-N N-propan-2-yl-N-[2-[propan-2-yl(propyl)amino]silylethylsilyl]propan-1-amine Chemical compound CCCN([SiH2]CC[SiH2]N(CCC)C(C)C)C(C)C YEPGPGFZFGOCIM-UHFFFAOYSA-N 0.000 claims 1
- 125000001033 ether group Chemical group 0.000 claims 1
- 125000006316 iso-butyl amino group Chemical group [H]N(*)C([H])([H])C([H])(C([H])([H])[H])C([H])([H])[H] 0.000 claims 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 claims 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims 1
- 239000010408 film Substances 0.000 description 182
- 238000010926 purge Methods 0.000 description 51
- 229910052751 metal Inorganic materials 0.000 description 22
- 239000002184 metal Substances 0.000 description 22
- 239000006227 byproduct Substances 0.000 description 12
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 12
- 239000000243 solution Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 10
- IVSPVXKJEGPQJP-UHFFFAOYSA-N 2-silylethylsilane Chemical compound [SiH3]CC[SiH3] IVSPVXKJEGPQJP-UHFFFAOYSA-N 0.000 description 9
- 229910021419 crystalline silicon Inorganic materials 0.000 description 9
- 239000011261 inert gas Substances 0.000 description 9
- 239000004065 semiconductor Substances 0.000 description 9
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 8
- 229910021417 amorphous silicon Inorganic materials 0.000 description 8
- 239000003153 chemical reaction reagent Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 229910000077 silane Inorganic materials 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 7
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 7
- 125000003545 alkoxy group Chemical group 0.000 description 7
- 125000000217 alkyl group Chemical group 0.000 description 7
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 7
- 238000005086 pumping Methods 0.000 description 7
- 238000003786 synthesis reaction Methods 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 125000004429 atom Chemical group 0.000 description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 description 5
- 150000002430 hydrocarbons Chemical group 0.000 description 5
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 5
- VYIRVGYSUZPNLF-UHFFFAOYSA-N n-(tert-butylamino)silyl-2-methylpropan-2-amine Chemical compound CC(C)(C)N[SiH2]NC(C)(C)C VYIRVGYSUZPNLF-UHFFFAOYSA-N 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 5
- RRKODOZNUZCUBN-CCAGOZQPSA-N (1z,3z)-cycloocta-1,3-diene Chemical compound C1CC\C=C/C=C\C1 RRKODOZNUZCUBN-CCAGOZQPSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000007983 Tris buffer Substances 0.000 description 4
- 239000012159 carrier gas Substances 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 description 4
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 4
- ZSWFCLXCOIISFI-UHFFFAOYSA-N endo-cyclopentadiene Natural products C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 4
- IIEWJVIFRVWJOD-UHFFFAOYSA-N ethylcyclohexane Chemical compound CCC1CCCCC1 IIEWJVIFRVWJOD-UHFFFAOYSA-N 0.000 description 4
- 108700039708 galantide Proteins 0.000 description 4
- 238000004817 gas chromatography Methods 0.000 description 4
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 4
- 239000003446 ligand Substances 0.000 description 4
- 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 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 4
- 239000000376 reactant Substances 0.000 description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 4
- 229910010271 silicon carbide Inorganic materials 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- GIRKRMUMWJFNRI-UHFFFAOYSA-N tris(dimethylamino)silicon Chemical compound CN(C)[Si](N(C)C)N(C)C GIRKRMUMWJFNRI-UHFFFAOYSA-N 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 4
- RMFRFTSSEHRKKW-UHFFFAOYSA-N 1,2-bis(diisopropylphosphino)ethane Chemical compound CC(C)P(C(C)C)CCP(C(C)C)C(C)C RMFRFTSSEHRKKW-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 150000004703 alkoxides Chemical class 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 239000002019 doping agent Substances 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 125000005843 halogen group Chemical group 0.000 description 3
- SIAPCJWMELPYOE-UHFFFAOYSA-N lithium hydride Chemical compound [LiH] SIAPCJWMELPYOE-UHFFFAOYSA-N 0.000 description 3
- 229910000103 lithium hydride Inorganic materials 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- 239000012686 silicon precursor Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- MDCWDBMBZLORER-UHFFFAOYSA-N triphenyl borate Chemical compound C=1C=CC=CC=1OB(OC=1C=CC=CC=1)OC1=CC=CC=C1 MDCWDBMBZLORER-UHFFFAOYSA-N 0.000 description 3
- 238000005292 vacuum distillation Methods 0.000 description 3
- CYPYTURSJDMMMP-WVCUSYJESA-N (1e,4e)-1,5-diphenylpenta-1,4-dien-3-one;palladium Chemical compound [Pd].[Pd].C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1 CYPYTURSJDMMMP-WVCUSYJESA-N 0.000 description 2
- PFCIJALLGNUKRS-UHFFFAOYSA-N (3-diphenylphosphanyloxyphenoxy)-diphenylphosphane Chemical compound C=1C=CC(OP(C=2C=CC=CC=2)C=2C=CC=CC=2)=CC=1OP(C=1C=CC=CC=1)C1=CC=CC=C1 PFCIJALLGNUKRS-UHFFFAOYSA-N 0.000 description 2
- LISDBLOKKWTHNH-UHFFFAOYSA-N 1,3,5-Trisilacyclohexan Natural products C1[SiH2]C[SiH2]C[SiH2]1 LISDBLOKKWTHNH-UHFFFAOYSA-N 0.000 description 2
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- SZQABOJVTZVBHE-UHFFFAOYSA-N carbon monoxide;rhodium Chemical group [Rh].[Rh].[Rh].[Rh].[Rh].[Rh].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-] SZQABOJVTZVBHE-UHFFFAOYSA-N 0.000 description 1
- NQZFAUXPNWSLBI-UHFFFAOYSA-N carbon monoxide;ruthenium Chemical group [Ru].[Ru].[Ru].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-] NQZFAUXPNWSLBI-UHFFFAOYSA-N 0.000 description 1
- FERQZYSWBVOPNX-UHFFFAOYSA-N carbonyl dichloride;rhodium;triphenylphosphane Chemical compound [Rh].ClC(Cl)=O.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 FERQZYSWBVOPNX-UHFFFAOYSA-N 0.000 description 1
- YENOLDYITNSPMQ-UHFFFAOYSA-N carboxysilicon Chemical compound OC([Si])=O YENOLDYITNSPMQ-UHFFFAOYSA-N 0.000 description 1
- 125000004803 chlorobenzyl group Chemical group 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
- RFKZUAOAYVHBOY-UHFFFAOYSA-M copper(1+);acetate Chemical compound [Cu+].CC([O-])=O RFKZUAOAYVHBOY-UHFFFAOYSA-M 0.000 description 1
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 1
- NKNDPYCGAZPOFS-UHFFFAOYSA-M copper(i) bromide Chemical compound Br[Cu] NKNDPYCGAZPOFS-UHFFFAOYSA-M 0.000 description 1
- GWFAVIIMQDUCRA-UHFFFAOYSA-L copper(ii) fluoride Chemical compound [F-].[F-].[Cu+2] GWFAVIIMQDUCRA-UHFFFAOYSA-L 0.000 description 1
- 125000001995 cyclobutyl group Chemical group [H]C1([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000000640 cyclooctyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])C1([H])[H] 0.000 description 1
- JAGHDVYKBYUAFD-UHFFFAOYSA-L cyclopenta-1,3-diene;titanium(4+);dichloride Chemical compound [Cl-].[Cl-].[Ti+4].C1C=CC=[C-]1.C1C=CC=[C-]1 JAGHDVYKBYUAFD-UHFFFAOYSA-L 0.000 description 1
- WDGICGVEWQIMTQ-UHFFFAOYSA-L cyclopentane;difluorotitanium Chemical compound F[Ti]F.[CH]1[CH][CH][CH][CH]1.[CH]1[CH][CH][CH][CH]1 WDGICGVEWQIMTQ-UHFFFAOYSA-L 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- DIOQZVSQGTUSAI-NJFSPNSNSA-N decane Chemical compound CCCCCCCCC[14CH3] DIOQZVSQGTUSAI-NJFSPNSNSA-N 0.000 description 1
- 125000004663 dialkyl amino group Chemical group 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- UCXUKTLCVSGCNR-UHFFFAOYSA-N diethylsilane Chemical compound CC[SiH2]CC UCXUKTLCVSGCNR-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- QFEOTYVTTQCYAZ-UHFFFAOYSA-N dimanganese decacarbonyl Chemical group [Mn].[Mn].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-] QFEOTYVTTQCYAZ-UHFFFAOYSA-N 0.000 description 1
- JJQZDUKDJDQPMQ-UHFFFAOYSA-N dimethoxy(dimethyl)silane Chemical compound CO[Si](C)(C)OC JJQZDUKDJDQPMQ-UHFFFAOYSA-N 0.000 description 1
- OIKHZBFJHONJJB-UHFFFAOYSA-N dimethyl(phenyl)silicon Chemical compound C[Si](C)C1=CC=CC=C1 OIKHZBFJHONJJB-UHFFFAOYSA-N 0.000 description 1
- VSLPMIMVDUOYFW-UHFFFAOYSA-N dimethylazanide;tantalum(5+) Chemical compound [Ta+5].C[N-]C.C[N-]C.C[N-]C.C[N-]C.C[N-]C VSLPMIMVDUOYFW-UHFFFAOYSA-N 0.000 description 1
- UBHZUDXTHNMNLD-UHFFFAOYSA-N dimethylsilane Chemical compound C[SiH2]C UBHZUDXTHNMNLD-UHFFFAOYSA-N 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- GCSJLQSCSDMKTP-UHFFFAOYSA-N ethenyl(trimethyl)silane Chemical compound C[Si](C)(C)C=C GCSJLQSCSDMKTP-UHFFFAOYSA-N 0.000 description 1
- RCNRJBWHLARWRP-UHFFFAOYSA-N ethenyl-[ethenyl(dimethyl)silyl]oxy-dimethylsilane;platinum Chemical compound [Pt].C=C[Si](C)(C)O[Si](C)(C)C=C RCNRJBWHLARWRP-UHFFFAOYSA-N 0.000 description 1
- KCWYOFZQRFCIIE-UHFFFAOYSA-N ethylsilane Chemical compound CC[SiH3] KCWYOFZQRFCIIE-UHFFFAOYSA-N 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- VMDTXBZDEOAFQF-UHFFFAOYSA-N formaldehyde;ruthenium Chemical compound [Ru].O=C VMDTXBZDEOAFQF-UHFFFAOYSA-N 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 150000004820 halides Chemical class 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
- HTDJPCNNEPUOOQ-UHFFFAOYSA-N hexamethylcyclotrisiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O1 HTDJPCNNEPUOOQ-UHFFFAOYSA-N 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000004050 hot filament vapor deposition Methods 0.000 description 1
- JCYWCSGERIELPG-UHFFFAOYSA-N imes Chemical group CC1=CC(C)=CC(C)=C1N1C=CN(C=2C(=CC(C)=CC=2C)C)[C]1 JCYWCSGERIELPG-UHFFFAOYSA-N 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 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
- 125000004491 isohexyl group Chemical group C(CCC(C)C)* 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
- 150000002576 ketones Chemical class 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000012705 liquid precursor Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- AUHZEENZYGFFBQ-UHFFFAOYSA-N mesitylene Substances CC1=CC(C)=CC(C)=C1 AUHZEENZYGFFBQ-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- CBXZGERYGLVXSG-UHFFFAOYSA-N methyl(2-methylsilylethyl)silane Chemical compound C[SiH2]CC[SiH2]C CBXZGERYGLVXSG-UHFFFAOYSA-N 0.000 description 1
- OKHRRIGNGQFVEE-UHFFFAOYSA-N methyl(diphenyl)silicon Chemical compound C=1C=CC=CC=1[Si](C)C1=CC=CC=C1 OKHRRIGNGQFVEE-UHFFFAOYSA-N 0.000 description 1
- DSKSAXYFIBWFLQ-UHFFFAOYSA-N methyl(methylsilylmethyl)silane Chemical compound C[SiH2]C[SiH2]C DSKSAXYFIBWFLQ-UHFFFAOYSA-N 0.000 description 1
- OFLMWACNYIOTNX-UHFFFAOYSA-N methyl(methylsilyloxy)silane Chemical compound C[SiH2]O[SiH2]C OFLMWACNYIOTNX-UHFFFAOYSA-N 0.000 description 1
- UIUXUFNYAYAMOE-UHFFFAOYSA-N methylsilane Chemical compound [SiH3]C UIUXUFNYAYAMOE-UHFFFAOYSA-N 0.000 description 1
- OIALYCJNSIXQJQ-UHFFFAOYSA-N methylsilyl(trimethylsilylcarbonylsilylmethylsilyl)methanone Chemical compound C[SiH2]C(=O)[SiH2]C[SiH2]C(=O)[Si](C)(C)C OIALYCJNSIXQJQ-UHFFFAOYSA-N 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- DIOQZVSQGTUSAI-UHFFFAOYSA-N n-butylhexane Natural products CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 1
- 125000005244 neohexyl group Chemical group [H]C([H])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- BMGNSKKZFQMGDH-FDGPNNRMSA-L nickel(2+);(z)-4-oxopent-2-en-2-olate Chemical compound [Ni+2].C\C([O-])=C\C(C)=O.C\C([O-])=C\C(C)=O BMGNSKKZFQMGDH-FDGPNNRMSA-L 0.000 description 1
- AIYYMMQIMJOTBM-UHFFFAOYSA-L nickel(ii) acetate Chemical compound [Ni+2].CC([O-])=O.CC([O-])=O AIYYMMQIMJOTBM-UHFFFAOYSA-L 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- ZCYXXKJEDCHMGH-UHFFFAOYSA-N nonane Chemical compound CCCC[CH]CCCC ZCYXXKJEDCHMGH-UHFFFAOYSA-N 0.000 description 1
- BKIMMITUMNQMOS-UHFFFAOYSA-N normal nonane Natural products CCCCCCCCC BKIMMITUMNQMOS-UHFFFAOYSA-N 0.000 description 1
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000001282 organosilanes Chemical class 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- MUJIDPITZJWBSW-UHFFFAOYSA-N palladium(2+) Chemical compound [Pd+2] MUJIDPITZJWBSW-UHFFFAOYSA-N 0.000 description 1
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-M phenolate Chemical compound [O-]C1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-M 0.000 description 1
- 229940031826 phenolate Drugs 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- RJQWVEJVXWLMRE-UHFFFAOYSA-N platinum;tritert-butylphosphane Chemical compound [Pt].CC(C)(C)P(C(C)(C)C)C(C)(C)C.CC(C)(C)P(C(C)(C)C)C(C)(C)C RJQWVEJVXWLMRE-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001709 polysilazane Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 150000003233 pyrroles Chemical class 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- QBERHIJABFXGRZ-UHFFFAOYSA-M rhodium;triphenylphosphane;chloride Chemical compound [Cl-].[Rh].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 QBERHIJABFXGRZ-UHFFFAOYSA-M 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000001339 silanediyl group Chemical group [H][Si]([H])(*)* 0.000 description 1
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 1
- HVXTXDKAKJVHLF-UHFFFAOYSA-N silylmethylsilane Chemical compound [SiH3]C[SiH3] HVXTXDKAKJVHLF-UHFFFAOYSA-N 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 125000003107 substituted aryl group Chemical group 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- YBRBMKDOPFTVDT-UHFFFAOYSA-N tert-butylamine Chemical compound CC(C)(C)N YBRBMKDOPFTVDT-UHFFFAOYSA-N 0.000 description 1
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 1
- XOAJIYVOSJHEQB-UHFFFAOYSA-N trimethyl trimethoxysilyl silicate Chemical compound CO[Si](OC)(OC)O[Si](OC)(OC)OC XOAJIYVOSJHEQB-UHFFFAOYSA-N 0.000 description 1
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 1
- PQDJYEQOELDLCP-UHFFFAOYSA-N trimethylsilane Chemical compound C[SiH](C)C PQDJYEQOELDLCP-UHFFFAOYSA-N 0.000 description 1
- OBAJXDYVZBHCGT-UHFFFAOYSA-N tris(pentafluorophenyl)borane Chemical compound FC1=C(F)C(F)=C(F)C(F)=C1B(C=1C(=C(F)C(F)=C(F)C=1F)F)C1=C(F)C(F)=C(F)C(F)=C1F OBAJXDYVZBHCGT-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 239000011995 wilkinson's catalyst Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- QMBQEXOLIRBNPN-UHFFFAOYSA-L zirconocene dichloride Chemical compound [Cl-].[Cl-].[Zr+4].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 QMBQEXOLIRBNPN-UHFFFAOYSA-L 0.000 description 1
Images
Classifications
-
- 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
- H01L21/02205—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 the layer being characterised by the precursor material for deposition
- H01L21/02208—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 the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si
- H01L21/02219—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 the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si the compound comprising silicon and nitrogen
-
- 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
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/10—Compounds having one or more C—Si linkages containing nitrogen having a Si-N linkage
-
- 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
- C07F9/66—Arsenic compounds
- C07F9/70—Organo-arsenic compounds
- C07F9/74—Aromatic compounds
- C07F9/78—Aromatic compounds containing amino groups
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting paints
-
- 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
- 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
- C23C16/24—Deposition of silicon only
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Description
本特許出願は、2013年9月20日に出願された米国仮特許出願第61/880,261号明細書に基づく優先権を主張する。この仮出願の開示内容を、その全体を参照することにより本明細書中に取り込む。
反応チャンバー中に上記基材の上記少なくとも1つの表面を提供する工程と、
化学気相堆積プロセスおよび原子層堆積プロセスから選択される堆積プロセスによって、以下の式A〜E:
a.反応器中に基材を提供する工程と、
b.反応器中に、以下の式A〜E:
c.パージガスを用いて反応器をパージする工程と、
d.反応器中に酸素含有源を導入する工程と、
e.パージガスを用いて反応器をパージする工程と、
の各ステップを含み、そして、膜の所望の厚さが得られるまでステップbからステップeが繰り返される、方法が提供される。
a.反応器中に基材を提供する工程と、
b.反応器中に、以下の式A〜E:
c.酸素含有源を提供して、少なくとも1つの表面上に膜を堆積する工程と、
を含む、方法が提供される。いくつかの態様において、R1とR2は同じである。他の態様において、R1とR2は異なる。上記態様または他の態様において、R1とR2はともに結合して環を形成できる。さらなる態様において、R1とR2は環を形成するために結合しない。
a.反応器中に基材を提供する工程と、
b.反応器中に、以下の式A〜E:
c.パージガスを用いて反応器をパージする工程と、
d.反応器中に窒素含有源を導入する工程と、
e.パージガスを用いて反応器をパージする工程と、
の各ステップを含み、そして膜の所望の厚さが得られるまでステップbからステップeが繰り返される、方法が提供される。いくつかの態様において、式AからE中のR1とR2は同じである。他の態様において、R1とR2は異なる。上記態様または他の態様において、R1とR2はともに結合して環を形成できる。さらなる態様において、R1とR2は環を形成するために結合しない。
a.反応器中に基材を提供する工程と、
b.反応器中に、以下の式A〜E:
c.窒素含有源を提供する工程と、
を含み、ここで、少なくとも1種の有機アミノシラン前駆体と窒素含有源とは反応して、少なくとも1つの表面上に膜を堆積する、方法が提供される。いくつかの態様において、R1とR2は同じである。他の態様において、R1とR2は異なる。上記態様または他の態様において、R1とR2はともに結合して環を形成できる。さらなる態様において、R1とR2は環を形成するために結合しない。
周囲温度から約700℃の範囲の1種または2種以上の温度に加熱される反応器に、1つまたは2つ以上の基材を配置する工程と、
以下の式A〜E:
反応器中に還元剤源を提供して、少なくとも1種の有機アミノシラン前駆体と少なくとも部分的に反応させ、そしてケイ素含有膜を1つまたは2つ以上の基材上に堆積させる工程と、を含む。還元剤は、水素、水素プラズマ、および塩化水素からなる群から選択される。CVD法のいくつかの態様において、反応器は、導入工程の間、10mTorr〜760Torrの範囲の圧力で維持される。上記工程は、本明細書に記載の方法の1サイクルを規定し、工程のサイクルは、膜の所望の厚さが得られるまで繰り返すことができる。いくつかの態様において、R1とR2は同じである。他の態様において、R1とR2は異なる。上記態様または他の態様において、R1とR2はともに結合して環を形成できる。さらなる態様において、R1とR2は環を形成するために結合しない。
a.反応器中に基材を提供する工程と、
b.以下の式A〜E:
の各ステップを含み、
所望の膜厚が得られるまで上記ステップbが繰り返される、方法が提供される。いくつかの態様において、膜の厚さは、1Å以上、または1〜10,000Å、または1〜1000Å、または1〜100Åであることができる。
以下の式A〜E:
上記方法が:
R1R2NHおよびR1NH2(式中、上記アミン中のR1が、直鎖または分枝のC1〜C10アルキル基、直鎖または分枝のC3〜C10アルケニル基、直鎖または分枝のC3〜C10アルキニル基、C3〜C10環状アルキル基、およびC5〜C10アリール基から選択され、上記アミン中のR2が、水素、直鎖または分枝のC1〜C10アルキル基、直鎖または分枝のC3〜C10アルケニル基、直鎖または分枝のC3〜C10アルキニル基、C3〜C10環状アルキル基、およびC5〜C10アリール基から選択される。)から選択される式を有するアミンと、
上記ケイ素源の少なくとも一部分と上記アミンの少なくとも一部分とが反応して上記有機アミノシランを提供するのに充分な反応条件において触媒の存在下で反応させる、各ステップを含む、方法が提供される。
R1R2NHまたはR1NH2(式中、R1は、直鎖または分枝のC1〜C10アルキル基、直鎖または分枝のC3〜C10アルケニル基、直鎖または分枝のC3〜C10アルキニル基、C3〜C10環状アルキル基、およびC5〜C10アリール基から選択され、R2が、水素、直鎖または分枝のC1〜C10アルキル基、直鎖または分枝のC3〜C10アルケニル基、直鎖または分枝のC3〜C10アルキニル基、C3〜C10環状アルキル基、およびC5〜C10アリール基から選択される。)である式を有するアミンと、以下の構造:
上記ケイ素源と上記アミンとが有機溶媒有りまたは無しで反応して、以下の式A〜E:
a.ALD反応器中に基材を提供する工程と、
b.上記ALD反応器中に、以下の式A〜E:
c.少なくとも1種の有機アミノシラン前駆体を基材に化学吸着させる工程と、
d.反応しなかった少なくとも1種の有機アミノシラン前駆体をパージガスを使用してパージする工程と、
e.窒素含有源を、加熱された基材上の有機アミノシラン前駆体に提供して、上記化学吸着された少なくとも1種の有機アミノシラン前駆体と反応させる工程と、
f.任意選択的に、未反応の窒素含有源をパージするかまたはポンピング除去する工程と、を含む。
a.反応器中に基材を提供する工程と、
b.上記反応器中に、以下の式A〜E:
c.酸素とともにパージガスを用いて反応器をパージする工程と、
d.RFプラズマを適用する工程と、
e.反応器をパージガスを用いてパージするか、または反応器をポンピングして未反応の有機アミノシランおよび任意の副生成物を除去する工程と、の各ステップを含み、ここで、所望の膜厚が得られるまで工程b〜eが繰り返される、方法が提供される。
a.反応器中に基材を提供する工程と、
b.上記反応器中に、以下の式A〜E:
c.少なくとも1種の有機アミノシラン前駆体を基材上に化学吸着させる工程と、
d.パージガスを使用して、未反応の少なくとも1種の有機アミノシラン前駆体をパージする工程と、
e.酸素含有源を、加熱された基材上の有機アミノシラン前駆体に提供して、上記化学吸着された少なくとも1種の有機アミノシラン前駆体と反応させる工程と、
f.任意選択的に、未反応の酸素含有源をパージするかまたはポンピング除去する工程と、の各ステップを含む。
a.反応器中に基材を提供する工程と、
b.上記反応器中に、窒素含有源と、以下の式A〜E:
c.窒素含有源とともにパージガスを用いて反応器をパージする工程と、
d.RFプラズマを適用する工程と、
e.反応器をパージガスを用いてパージするか、または反応器をポンピングして未反応の有機アミノシランおよび任意の副生成物を除去する工程と、の各ステップを含み、ここで、所望の膜厚が得られるまで工程b〜eが繰り返される、方法が提供される。
a.周囲温度〜約700℃の範囲の1種または2種以上の温度に加熱された反応器中に1つまたは2つ以上の基材を置く工程と、
b.以下の式A〜E:
c.上記反応器に酸素含有源を提供して、少なくとも1種の有機アミノシラン前駆体と少なくとも部分的に反応させて、1つまたは2つ以上の基材上にケイ素含有膜を堆積する工程と、を含む。CVD法のいくつかの態様において、導入工程中、反応器は10mTorr〜760Torrの範囲の圧力に維持される。上記工程は、本明細書に記載の方法の1サイクルを規定し、このサイクルは、ケイ素含有膜の所望の厚さが得られるまで繰り返すことができる。この態様または他の態様において、本明細書に記載の方法の工程は、様々な順序で実施でき、逐次的にまたは同時に(例えば、別の工程の少なくとも1部中に)、およびそれらの任意の組合せで実施することができると理解される。前駆体および酸素含有源を供給する各工程は、これらを供給する継続時間を変化させることにより実施して、生じるケイ素含有膜の化学量論組成を変化させることができるが、ただし、利用できるケイ素に対して、いつも化学量論量未満の酸素が使用される。
a.周囲温度〜約700℃の範囲の1種または2種以上の温度に加熱された反応器中に1つまたは2つ以上の基材を置く工程と、
b.以下の式A〜E:
c.反応器に還元剤を提供して、少なくとも1種の有機アミノシラン前駆体と少なくとも部分的に反応させて、1つまたは2つ以上の基材上にケイ素含有膜を堆積する工程と、を含む。還元剤は、水素、水素プラズマ、塩化水素からなる群から選択される。CVD法のいくつかの態様において、導入工程中、反応器は10mTorr〜760Torrの範囲の圧力に維持される。上記工程は、本明細書に記載の方法の1サイクルを規定し、このサイクルは、膜の所望の厚さが得られるまで繰り返すことができる。
a.周囲温度〜約700℃の範囲の1種または2種以上の温度に加熱された反応器中に1つまたは2つ以上の基材を置く工程と、
b.以下の式A〜E:
c.反応器に窒素含有源を提供して、少なくとも1種の有機アミノシラン前駆体と少なくとも部分的に反応させて、1つまたは2つ以上の基材上にケイ素含有膜を堆積する工程と、を含む。CVD法のいくつかの態様において、導入工程中、反応器は10mTorr〜760Torrの範囲の圧力に維持される。
周囲温度〜約700℃の範囲の温度に加熱され、1Torr以下の圧力に維持された反応器中に基材を置く工程と、
以下の式A〜E:
反応器に還元剤を提供して、少なくとも1種の有機アミノシラン前駆体と少なくとも部分的に反応させて、1つまたは2つ以上の基材上にケイ素含有膜を堆積する工程と、を含み、ここで、還元剤は、水素、水素プラズマ、塩化水素、からなる群から選択される少なくとも1種である。上記工程は、本明細書に記載の方法の1サイクルを規定し、このサイクルは、ケイ素含有膜の所望の厚さが得られるまで繰り返すことができる。膜の所望の厚さは、1Å〜10,000Åである。
a.ALD反応器中に基材を提供する工程と、
b.上記ALD反応器中に、以下の式A〜E:
c.不活性ガスを用いて上記ALD反応器をパージする工程と、
d.上記ALD反応器中にプラズマ源を提供する工程と、
e.不活性ガスを用いて上記ALD反応器をパージする工程と、を含み、ここで、工程b〜eは、上記ケイ素含有膜の所望の厚さが得られるまで繰り返される、方法が提供される。プラズマ源は、水素プラズマ、アルゴンプラズマ、ヘリウムプラズマ、ネオンプラズマ、キセノンプラズマ、およびそれらの混合物からなる群から選択される。ケイ素含有膜は、炭窒化ケイ素、炭化ケイ素、窒化ケイ素、炭窒化ケイ素、およびカルボキシ窒化ケイ素からなる群から選択される。
a.反応器中に基材を提供する工程と、
b.上記反応器中に、以下の式A〜E:
c.パージガスを用いて上記反応器をパージする工程と、を含み、ここで、工程b〜cは、上記ケイ素膜の所望の厚さが得られるまで繰り返される、方法が提供される。
メカニカルスターラー、冷却器、および滴下ロートを備えた三ツ首丸底フラスコで、ヘキサン中1当量の1,4−ジシラブタンの溶液を、冷浴を用いて−20℃に冷却した。攪拌しながら、テトラヒドロフラン(THF)中の0.5当量のジイソプロピルアミドリチウムの溶液を、滴下ロートを用いて滴下して加えた。添加が完了後、反応混合物を室温まで加温させた。反応混合物を室温で一晩攪拌し、次に濾過した。副生成物として反応から形成された白色の沈殿物(水素化リチウム)を濾別した。濾液中の溶媒と過剰の1,4−ジシラブタンを、蒸留により除去した。生成物(1−ジ−イソ−プロピルアミノ−1,4−ジシラブタン)が、真空蒸留により得られた。ガスクロマトグラフィー(GC)は、これが、>98%の純度の1−ジ−イソ−プロピルアミノ−1,4−ジシラブタンであることを証明した。GC−MSは、以下のピークを示した:189 (M+), 188 (M−1), 174 (M−15), 159, 144, 130, 102。
メカニカルスターラー、冷却器、および滴下ロートを備えた三ツ首丸底フラスコで、ヘキサン中1当量の1,4−ジシラブタンの溶液を、冷浴を用いて−20℃に冷却した。攪拌しながら、THF中の0.5当量のt−ブチルアミドリチウムの溶液を、滴下ロートを用いて滴下して加えた。添加が完了後、反応混合物を室温まで加温させた。反応混合物を室温で一晩攪拌し、次に濾過した。副生成物として反応から形成された白色の沈殿物(水素化リチウム)を濾別した。濾液中の溶媒と過剰の1,4−ジシラブタンを、蒸留により除去した。生成物(1−t−ブチル−1−アザ−2−5−ジシラシクロペンタン)が、真空蒸留により得られた。ガスクロマトグラフィー(GC)は、これが、>98%の純度であることを証明した。GC−MSは、以下のピークを示した:159 (M+), 158 (M−1), 144 (M−15), 128, 114, 100。
メカニカルスターラー、冷却器、および滴下ロートを備えた三ツ首丸底フラスコで、ヘキサン中0.5当量の1,4−ジシラブタンの溶液を、冷浴を用いて−20℃に冷却した。攪拌しながら、THF中の1当量のジ−イソ−プロピルアミドリチウムの溶液を、滴下ロートを用いて滴下して加えた。添加が完了後、反応混合物を室温まで加温させた。反応混合物を室温で一晩攪拌し、次に濾過した。副生成物として反応から形成された白色の沈殿物(水素化リチウム)を濾別した。濾液中の溶媒を、蒸留により除去した。生成物(1,4−ビス(ジ−イソ−プロピルアミノ)−1,4−ジシラブタン)が、真空蒸留により得られた。沸点124℃/1torr。GC−MSは、以下のピークを示した:288 (M+), 287 (M−1), 243, 229, 207, 188, 144, 130. 1H NMR: 4.59 (s, 4H), 3.03 (m, 4H), 1.08 (d, 24H), 0.73 (t, 4H). 13C NMR: 47.76, 24.42, 7.76。
シンチレーションバイアル中で、2当量の1,4−ジシラブタンと1当量のジエチルアミンを一緒にした。ここに、1mol%のドデカカルボニルトリルテニウム触媒をTHF中の溶液として加え、混合物を一晩攪拌した。溶液中で観察された2つの主要な生成物は、1−ジエチルアミノ−1,4−ジシラブタンと1,4−ビス(ジエチルアミノ)−1,4−ジシラブタンであった。GC−MSは、以下のピークを示した:(a)1−ジエチルアミノ−1,4−ジシラブタン:161 (M+), 146 (M−15), 130, 116, 102, 89, 72;(b)1,4−ビス(ジエチルアミノ)−1,4−ジシラブタン:232 (M+), 217 (M−15), 203, 187, 173, 160, 146, 130, 116。
表1、式A、B、C、D、およびEを有する有機アミノシラン
以下の堆積は、2つの温度条件(55℃と100℃)で実験室規模のALD処理ツール上で行った。ケイ素前駆体は、蒸気吸引によりチャンバーに送達された。従って、全てのガス(例えば、パージガスおよび反応物ガスまたは前駆体および酸素源)を、堆積ゾーンに入る前に予熱した。ガスと前駆体の流速を、ALDダイヤフラム弁を用いて高速作動で制御した。堆積時に使用される基板は、12インチの長さのケイ素ストリップであった。堆積中の基板温度を確認するために、熱電対を試料ホルダーに取り付けた。堆積は、オゾン(6〜19wt%)を酸素源ガスとして用いて行った。
a.ALD反応器に基板を提供する工程、
b.少なくとも一つの有機アミノシラン前駆体を、6秒間ALD反応器内に提供する工程、
c.ALD反応器を、不活性ガスで6秒間パージする工程、
d.ALD反応器に、オゾンを4秒間提供する工程;
e.ALD反応器を、不活性ガスで6秒間パージする工程、
膜の所望の厚さが得られるまで、ステップbからステップeが繰り返される。膜の厚さおよび屈折率は、FilmTek 2000SEエリプソメータを用いて、膜からの反射データを、予め設定された物理モデル(例えば、ローレンツオシレータモデル)に当てはめることによって測定した。湿潤エッチング速度は、脱イオン水中の49%フッ化水素酸(HF)酸の1%溶液を用いて行った。熱酸化物ウェーハーを、各バッチのための基準として使用して溶液濃度を確認した。1%HFのH2O溶液の典型的な熱酸化物ウェーハー湿潤エッチング速度は、0.5Å/秒である。エッチング前後の膜厚を使用して、湿潤エッチング速度を計算した。厚さの不均一性は、以下の式を使用して6点の測定値から計算した:%不均一性=((最大−最小)/(2*平均))。膜の元素組成および密度は、X線光電子分光法(XPS)によって解析される。成長速度(GPC)は、フィルムの厚さを総サイクル数で割ることにより決定される。
表2、1−ジ−イソ−プロピルアミノ−1,4−ジシラブタンおよびオゾンを用いたケイ素含有膜のプロセスパラメータ、成長/サイクル(GPC)と屈折率
表3、1−ジ−イソ−プロピルアミノ−1,4−ジシラブタンおよびオゾンを用いたXPSにより測定したケイ素含有膜の膜組成
1−ジ−イソ−プロピルアミノ−1,4−ジシラブタンおよび窒素/アルゴンプラズマを使用して、ケイ素含有膜の堆積を行った。シリコンウェーハーをそれぞれ100℃または300℃に加熱した。堆積プロセスは、300mmの生産ツール、ASM Stellar 3000を1000回繰り返して使用して、以下のプロセス条件を使用して行った:
a.ALD反応器に基板を提供する
b.有機アミノシラン前駆体を導入する:1−ジ−イソ−プロピルアミノ−1,4−ジシラブタン
送達条件:Arキャリアーガス 200sccm、前駆体容器は室温で維持された
チャンバー圧:2Torr
前駆体パルス:1秒
c.不活性ガスパージ
アルゴン流:300sccm
チャンバー圧:2Torr
パージ時間:5秒
d.窒素/アルゴンプラズマ
アルゴン流:500sccm
窒素流:200sccm
チャンバー圧:2Torr
プラズマ出力:500W
プラズマ時間:5秒
e.パージプラズマ
アルゴン流:300sccm
チャンバー圧:2Torr
パージ時間:0.5秒
表4、1−ジ−イソ−プロピルアミノ−1,4−ジシラブタンおよび窒素/アルゴンプラズマを用いて堆積された膜の堆積速度、屈折率、および膜物性
1−ジ−イソ−プロピルアミノ−1,4−ジシラブタンおよびアルゴンプラズマを使用して、ケイ素含有膜の堆積を行った。シリコンウェーハーをそれぞれ100℃または300℃に加熱した。堆積プロセスは、300mmの生産ツール、ASM Stellar 3000を1000回繰り返して使用して、以下のプロセス条件を使用して行った:
a.ALD反応器に基板を提供する
b.有機アミノシラン前駆体を導入する:1−ジ−イソ−プロピルアミノ−1,4−ジシラブタン
送達条件:Arキャリアーガス 200sccm、前駆体容器は室温で維持された
チャンバー圧:2Torr
前駆体パルス:1秒
c.不活性ガスパージ
アルゴン流:300sccm
チャンバー圧:2Torr
パージ時間:2秒
d.アルゴンプラズマ
アルゴン流:500sccm
チャンバー圧:2Torr
プラズマ出力:500W
プラズマ時間:5秒
e.パージプラズマ
アルゴン流:300sccm
チャンバー圧:2Torr
パージ時間:2秒
表5、1−ジ−イソ−プロピルアミノ−1,4−ジシラブタンおよびアルゴンプラズマを用いて堆積された膜の堆積速度、屈折率、および膜物性
Claims (14)
- 以下の式A:
R2は、直鎖または分枝のC1〜C10アルキル基、直鎖または分枝のC3〜C10アルケニル基、直鎖または分枝のC3〜C10アルキニル基、C3〜C10環状アルキル基、およびC5〜C10アリール基から選択され、
ただし、式A中の各々のR1R2N基においてR1とR2はお互いに結合してR1とR2とNからなる環状官能基であって、3〜10個の炭素原子と、少なくとも1個の窒素原子または少なくとも1個の窒素原子及び少なくとも1個の酸素原子の両方と、を有する環状官能基を形成してもよく、
R3は、直鎖または分枝のC1〜C10アルキレン基、直鎖または分枝のC3〜C6アルケニレン基、直鎖または分枝のC3〜C6アルキニレン基、C3〜C10環状アルキレン基、C3〜C10ヘテロ環状アルキレン基、C5〜C10アリーレン基、およびC5〜C10ヘテロアリーレン基から選択され、
nは1に等しく、mは0または1に等しく、そして、
R1及びR2の前記環状アルキル基は、3〜10個の炭素原子からなる非ヘテロ環状アルキル基であるか、もしくは、3〜10個の炭素原子と、少なくとも1個の酸素原子または窒素原子またはその両方と、を有するヘテロ環状アルキル基であり、
R1及びR2の前記アリール基は、5〜10個の炭素原子からなる非ヘテロアリール基であるか、もしくは、5〜10個の炭素原子と、少なくとも1個の酸素原子または窒素原子またはその両方と、を有するヘテロアリール基である。)
によって表される、有機アミノシラン。 - R1が、直鎖または分枝のC1〜C10アルキル基から選択され、R2が、直鎖または分枝のC1〜C10アルキル基から選択され、R3が、直鎖または分枝のC1〜C10アルキレン基から選択され、n=1、およびm=0である、請求項1に記載の有機アミノシラン。
- R1およびR2が、同じであり、そしてメチル、エチル、イソプロピル、n−プロピル、およびsec−ブチルからなる群から選択され、そしてR3が、メチレンおよびエチレンからなる群から選択され、n=1、およびm=0である、請求項1に記載の有機アミノシラン。
- 式Aを有する化合物を含み、該化合物は、1−ジメチルアミノ−1,3−ジシラプロパン、1−ジイソプロピルアミノ−1,3−ジシラプロパン、1−ジ−sec−ブチルアミノ−1,3−ジシラプロパン、1−ジイソブチルアミノ−1,3−ジシラプロパン、1−ジ−tert−ペンチルアミノ−1,3−ジシラプロパン、1−ジエチルアミノ−1,3−ジシラプロパン、1−ジメチルアミノ−1,4−ジシラブタン、1−ジエチルアミノ−1,4−ジシラブタン、1−ジイソプロピルアミノ−1,4−ジシラブタン、1,3−ビス(ジメチルアミノ)−1,3−ジシラプロパン、1,3−ビス(ジイソプロピルアミノ
)−1,3−ジシラプロパン、1,3−ビス(ジ−sec−ブチルアミノ)−1,3−ジシラプロパン、1,3−ビス(ジイソブチルアミノ)−1,3−ジシラプロパン、1,3−ビス(ジ−tert−ペンチルアミノ)−1,3−ジシラプロパン、1,3−ビス(ジエチルアミノ)−1,3−ジシラプロパン、1,4−ビス(ジメチルアミノ)−1,4−ジシラブタン、1,4−ビス(ジエチルアミノ)−1,4−ジシラブタン、1,4−ビス(ジイソプロピルアミノ)−1,4−ジシラブタン、1,4−ビス(ジ−sec−ブチルアミノ)−1,4−ジシラブタン、1,4−ビス(ジイソブチルアミノ)−1,4−ジシラブタン、1,4−ビス(イソプロピル−n−プロピルアミノ)−1,4−ジシラブタン、1,3−ビス(エチルメチルアミノ)−1,3−ジシラプロパン、1,4−ビス(エチルメチルアミノ)−1,4−ジシラブタン、1−エチルメチルアミノ−1,4−ジシラブタン、1−ジ−sec−ブチルアミノ−1,4−ジシラブタン、1−フェニルメチルアミノ−1,4−ジシラブタン、2,6−ジメチルピペリジノ−1,4−ジシラブタン、1−フェニルエチルアミノ−1,4−ジシラブタン、1−エチルメチルアミノ−1、3−ジシラプロパン、1−フェニルメチルアミノ−1,3−ジシラプロパン、2,6−ジメチルピペリジノ−1,3−ジシラプロパン、およびフェニルエチルアミノ−1,3−ジシラプロパンからなる群から選択される少なくとも1種である、請求項1に記載の有機アミノシラン。 - (a)請求項1〜4のいずれか一項で規定された少なくとも1種の有機アミノシランと、
(b)溶媒であって、該溶媒が沸点を有し、そして該溶媒の沸点と該少なくとも1種の有機アミノシランの沸点との違いが40℃以下であり、該溶媒がエーテル、第三級アミン、アルキル炭化水素、芳香族炭化水素、および第3級アミノエーテルからなる群から選択される少なくとも1種を任意選択的に含む、溶媒と、
を含む組成物。 - 堆積プロセスによって基材の少なくとも1つの表面上にケイ素含有膜を形成する方法であって、該方法が:
反応チャンバー中に該基材の該少なくとも1つの表面を提供する工程と、
請求項1〜4のいずれか一項で規定された少なくとも1種の有機アミノシラン前駆体を導入する工程と、
を含む、方法。 - 該堆積プロセスが、化学気相堆積、低圧蒸着、プラズマ増強化学気相堆積、サイクリック化学気相堆積、プラズマ増強サイクリック化学気相堆積、原子層堆積、およびプラズマ増強原子層堆積からなる群から選択される少なくとも1種である、請求項6に記載の方法。
- 該反応チャンバー中に窒素含有源を導入する工程であって、該少なくとも1種の有機アミノシラン前駆体および該窒素含有源が反応して該少なくとも1つの表面上に膜を形成する、工程を含み、該膜が窒化ケイ素および炭窒化ケイ素からなる群から任意選択的に選択される、請求項6または請求項7に記載の方法。
- 該窒素含有源が、アンモニア、ヒドラジン、モノアルキルヒドラジン、ジアルキルヒドラジン、窒素、窒素/水素、アンモニアプラズマ、窒素プラズマ、窒素/アルゴンプラズマ、窒素/ヘリウムプラズマ、窒素/水素プラズマ、有機アミン、有機アミンプラズマ、およびそれらの混合物からなる群から選択される、請求項8に記載の方法。
- 基材上に酸化ケイ素または炭素ドープされた酸化ケイ素膜を形成するための請求項6または請求項7に記載の方法であって、酸素含有源と、少なくとも1種の有機アミノシラン前駆体と、を堆積プロセスにおいて反応させて、該基材上に該膜を形成させる、方法。
- 以下のステップを含むケイ素含有膜を形成させる請求項6または請求項7に記載の方法であって、該方法が:
a.反応器中に基材を置く工程と、
b.少なくとも1種の有機アミノシラン前駆体を導入する工程と、
c.任意選択的にバージガスを使用して未反応の少なくとも1種の有機アミノシラン前駆体を追い出す工程と、
d.該反応器中に還元剤を提供して、吸収された有機アミノシランと少なくとも部分的に反応させる工程と、
e.任意選択的になんらかの未反応の還元剤を追い出す工程と、
を含み、
所望の厚さが得られるまで該ステップb〜ステップeが繰り返される、方法。 - 該還元剤が、水素、水素プラズマ、または塩化水素からなる群から選択される少なくとも1種である、請求項11に記載の方法。
- ケイ素含有膜の堆積のための前駆体を送達するために使用される容器であって、該容器が:請求項1〜4のいずれか一項で規定された少なくとも1種の有機アミノシラン前駆体を含み、
該前駆体の純度が98%以上である、容器。 - 請求項1〜4のいずれか一項に記載の有機アミノシランを調製する方法であって、
該方法が、
式:R1R2NHを有するアミンと、
式:
該ケイ素源の少なくとも一部分と該アミンの少なくとも一部分とが反応して該有機アミノシランを提供するのに充分な反応条件において触媒の存在下で反応させる、
(上記2つの式中、R1は、直鎖または分枝のC1〜C10アルキル基、直鎖または分枝のC3〜C10アルケニル基、直鎖または分枝のC3〜C10アルキニル基、C3〜C10環状アルキル基、およびC5〜C10アリール基から選択され、
R2は、直鎖または分枝のC1〜C10アルキル基、直鎖または分枝のC3〜C10アルケニル基、直鎖または分枝のC3〜C10アルキニル基、C3〜C10環状アルキル基、およびC5〜C10アリール基から選択され、
ただし、式:R1R2NHにおいてR1とR2はお互いに結合してR1とR2とNからなる環状官能基であって、3〜10個の炭素原子と、少なくとも1個の窒素原子または少なくとも1個の窒素原子及び少なくとも1個の酸素原子の両方と、を有する環状官能基を形成してもよく、
R3は、直鎖または分枝のC1〜C10アルキレン基、直鎖または分枝のC3〜C6アルケニレン基、直鎖または分枝のC3〜C6アルキニレン基、C3〜C10環状アルキレン基、C3〜C10ヘテロ環状アルキレン基、C5〜C10アリーレン基、およびC5〜C10ヘテロアリーレン基から選択され、そして
R1及びR2の前記環状アルキル基は、それぞれ独立して、3〜10個の炭素原子からなる非ヘテロ環状アルキル基であるか、もしくは、3〜10個の炭素原子と、少なくとも1個の酸素原子または窒素原子またはその両方と、を有するヘテロ環状アルキル基であり、
R1及びR2の前記アリール基は、それぞれ独立して、5〜10個の炭素原子からなる非ヘテロアリール基であるか、もしくは、5〜10個の炭素原子と、少なくとも1個の酸素原子または窒素原子またはその両方と、を有するヘテロアリール基である。)
ステップを含む、方法。
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