JP7171916B2 - モリブデン含有薄膜の製造方法およびこれにより製造されたモリブデン含有薄膜 - Google Patents
モリブデン含有薄膜の製造方法およびこれにより製造されたモリブデン含有薄膜 Download PDFInfo
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- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 title claims description 148
- 229910052750 molybdenum Inorganic materials 0.000 title claims description 112
- 239000011733 molybdenum Substances 0.000 title claims description 112
- 239000010409 thin film Substances 0.000 title claims description 106
- 238000004519 manufacturing process Methods 0.000 title claims description 42
- 150000002430 hydrocarbons Chemical class 0.000 claims description 40
- 239000000203 mixture Substances 0.000 claims description 38
- 239000007789 gas Substances 0.000 claims description 34
- 239000000126 substance Substances 0.000 claims description 27
- -1 silane iodides Chemical class 0.000 claims description 26
- 239000012495 reaction gas Substances 0.000 claims description 25
- 239000000758 substrate Substances 0.000 claims description 22
- 239000002243 precursor Substances 0.000 claims description 21
- 229910000077 silane Inorganic materials 0.000 claims description 21
- 238000000427 thin-film deposition Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 20
- 238000000231 atomic layer deposition Methods 0.000 claims description 18
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 16
- 239000001257 hydrogen Substances 0.000 claims description 15
- 229910052739 hydrogen Inorganic materials 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 12
- NZZFYRREKKOMAT-UHFFFAOYSA-N diiodomethane Chemical compound ICI NZZFYRREKKOMAT-UHFFFAOYSA-N 0.000 claims description 12
- OKJPEAGHQZHRQV-UHFFFAOYSA-N iodoform Chemical compound IC(I)I OKJPEAGHQZHRQV-UHFFFAOYSA-N 0.000 claims description 12
- 239000012159 carrier gas Substances 0.000 claims description 11
- 238000007740 vapor deposition Methods 0.000 claims description 10
- 125000006701 (C1-C7) alkyl group Chemical group 0.000 claims description 8
- 229910052786 argon Inorganic materials 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 8
- HVTICUPFWKNHNG-UHFFFAOYSA-N iodoethane Chemical compound CCI HVTICUPFWKNHNG-UHFFFAOYSA-N 0.000 claims description 7
- 102100037328 Chitotriosidase-1 Human genes 0.000 claims description 6
- 101000879661 Homo sapiens Chitotriosidase-1 Proteins 0.000 claims description 6
- RNRZLEZABHZRSX-UHFFFAOYSA-N diiodosilicon Chemical compound I[Si]I RNRZLEZABHZRSX-UHFFFAOYSA-N 0.000 claims description 6
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 claims description 6
- 239000004215 Carbon black (E152) Substances 0.000 claims description 5
- 229910052734 helium Inorganic materials 0.000 claims description 5
- 239000001307 helium Substances 0.000 claims description 5
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 5
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 238000004518 low pressure chemical vapour deposition Methods 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 13
- 239000001301 oxygen Substances 0.000 description 13
- 229910052760 oxygen Inorganic materials 0.000 description 13
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 12
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 12
- 239000010408 film Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 238000005229 chemical vapour deposition Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 6
- 150000001351 alkyl iodides Chemical class 0.000 description 5
- 229940125904 compound 1 Drugs 0.000 description 5
- 238000000151 deposition Methods 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- GRMPXSPEDGUDDD-UHFFFAOYSA-N molybdenum dihydride Chemical compound [MoH2] GRMPXSPEDGUDDD-UHFFFAOYSA-N 0.000 description 3
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 239000011112 polyethylene naphthalate Substances 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 238000011946 reduction process Methods 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 125000002015 acyclic group Chemical group 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 125000005842 heteroatom Chemical group 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 2
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 1
- YRAJNWYBUCUFBD-UHFFFAOYSA-N 2,2,6,6-tetramethylheptane-3,5-dione Chemical compound CC(C)(C)C(=O)CC(=O)C(C)(C)C YRAJNWYBUCUFBD-UHFFFAOYSA-N 0.000 description 1
- 102100025597 Caspase-4 Human genes 0.000 description 1
- 229910005540 GaP Inorganic materials 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 101100273284 Homo sapiens CASP4 gene Proteins 0.000 description 1
- 229910000673 Indium arsenide Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229920012266 Poly(ether sulfone) PES Polymers 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910003811 SiGeC Inorganic materials 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- GPBUGPUPKAGMDK-UHFFFAOYSA-N azanylidynemolybdenum Chemical compound [Mo]#N GPBUGPUPKAGMDK-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- CNRRZWMERIANGJ-UHFFFAOYSA-N chloro hypochlorite;molybdenum Chemical class [Mo].ClOCl CNRRZWMERIANGJ-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- QXYJCZRRLLQGCR-UHFFFAOYSA-N dioxomolybdenum Chemical compound O=[Mo]=O QXYJCZRRLLQGCR-UHFFFAOYSA-N 0.000 description 1
- 239000011532 electronic conductor Substances 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 150000002483 hydrogen compounds Chemical class 0.000 description 1
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- IDIOJRGTRFRIJL-UHFFFAOYSA-N iodosilane Chemical compound I[SiH3] IDIOJRGTRFRIJL-UHFFFAOYSA-N 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910003465 moissanite Inorganic materials 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 239000005078 molybdenum compound Substances 0.000 description 1
- RLCOZMCCEKDUPY-UHFFFAOYSA-H molybdenum hexafluoride Chemical compound F[Mo](F)(F)(F)(F)F RLCOZMCCEKDUPY-UHFFFAOYSA-H 0.000 description 1
- PDKHNCYLMVRIFV-UHFFFAOYSA-H molybdenum;hexachloride Chemical compound [Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[Mo] PDKHNCYLMVRIFV-UHFFFAOYSA-H 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000012994 photoredox catalyst Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 238000007736 thin film deposition technique Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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- 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
- C23C16/16—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 metal carbonyl compounds
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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
- C23C16/06—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of metallic material
- C23C16/18—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of metallic material from metallo-organic compounds
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- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45523—Pulsed gas flow or change of composition over time
- C23C16/45525—Atomic layer deposition [ALD]
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Description
本発明のモリブデン含有薄膜の製造方法は、
薄膜蒸着用前駆体として、モリブデン(0)系炭化水素化合物、および
反応ガスとして、ヨード、(C1‐C3)ヨウ化アルキル、ヨウ化シランまたはこれらの混合物を使用して、モリブデン含有薄膜を製造するステップを含むことを特徴とする。
a)チャンバ内に取り付けられた基板の温度を80~500℃に維持するステップと、
b)キャリアガスおよびモリブデン(0)系炭化水素化合物を注入するステップと、
c)ヨード、(C1‐C3)ヨウ化アルキル、ヨウ化シランまたはこれらの混合物である反応ガスを注入し、前記基板上にモリブデン含有薄膜を製造するステップとを含む。
[化学式1]
[化学式2]
「ヘテロアルケン擬似化合物」は、アルケン化合物に一つ以上のヘテロ原子を含むアルケン化合物であり、非環式または環式であってもよく、ヘテロ原子は、窒素、酸素、硫黄、リンなどから選択され得るが、好ましくは、酸素または窒素であってもよく、酸素または窒素が一つまたは二つ以上含まれ得る。
薄膜蒸着用前駆体として、モリブデン(0)系炭化水素化合物、および
反応ガスとして、ヨード、(C1‐C3)ヨウ化アルキル、ヨウ化シランまたはこれらの混合物を使用して、モリブデン含有薄膜を製造するステップを含む。
a)チャンバ内に取り付けられた基板の温度を80~500℃に維持するステップと、
b)キャリアガスおよびモリブデン(0)系炭化水素化合物を注入するステップと、
c)ヨード、(C1‐C3)ヨウ化アルキル、ヨウ化シランまたはこれらの混合物である反応ガスを注入し、前記基板上にモリブデン含有薄膜を製造するステップとを含むことができる。
[化学式2]
モリブデン含有前駆体として
実施例1で反応ガスとしてジヨードメタンを使用した以外は、反応ガスなしに実施例1と同様に実施してモリブデン含有薄膜を製造し、具体的なモリブデン含有薄膜の蒸着条件は、下記表1に示した。
Claims (11)
- 原子層蒸着(ALD)法、気相蒸着(CVD)法、有機金属化学気相蒸着法(MOCVD)、低圧気相蒸着法(LPCVD)、プラズマ強化気相蒸着法(PECVD)またはプラズマ強化原子層蒸着法(PEALD)により行われる、請求項1に記載のモリブデン含有薄膜の製造方法。
- a)チャンバ内に取り付けられた基板の温度を80~500℃に維持するステップと、
b)キャリアガスおよびモリブデン(0)系炭化水素化合物を注入するステップと、
c)ヨード、(C1‐C3)ヨウ化アルキル、ヨウ化シランまたはこれらの混合物である反応ガスを注入し、前記基板上にモリブデン含有薄膜を製造するステップとを含む、請求項1に記載のモリブデン含有薄膜の製造方法。 - 前記反応ガスは、モリブデン(0)系炭化水素化合物1モルに対して0.1~200モル使用される、請求項1に記載のモリブデン含有薄膜の製造方法。
- 前記c)ステップの後、熱処理するステップをさらに含む、請求項3に記載のモリブデン含有薄膜の製造方法。
- 前記熱処理は、200~700℃で行われる、請求項5に記載のモリブデン含有薄膜の製造方法。
- 前記反応ガスは、I2、CH3I、CH2I2、CHI3、CH3CH2I、CH3CHI2、ICH2CH2I、CH3CH2CH2I、CH3CHICH3、ICH2CH2CH2IまたはSiH2I2である、請求項1に記載のモリブデン含有薄膜の製造方法。
- 前記キャリアガスは、窒素、水素、アルゴンおよびヘリウムから選択されるいずれか一つまたは二つ以上である、請求項3に記載のモリブデン含有薄膜の製造方法。
- 前記反応ガスは、モリブデン(0)系炭化水素化合物1モルに対して0.1~200モル使用される、請求項9に記載のモリブデン含有薄膜蒸着用組成物。
- 前記反応ガスは、I2、CH3I、CH2I2、CHI3、CH3CH2I、CH3CHI2、ICH2CH2I、CH3CH2CH2I、CH3CHICH3、ICH2CH2CH2IまたはSiH2I2である、請求項9に記載のモリブデン含有薄膜蒸着用組成物。
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