JP7143328B2 - 半導体デバイスおよび半導体デバイス形成方法 - Google Patents
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- 239000004065 semiconductor Substances 0.000 title claims description 53
- 238000000034 method Methods 0.000 title claims description 48
- 229910052751 metal Inorganic materials 0.000 claims description 58
- 239000002184 metal Substances 0.000 claims description 57
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 56
- 239000002041 carbon nanotube Substances 0.000 claims description 55
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 54
- 238000009736 wetting Methods 0.000 claims description 47
- 239000002071 nanotube Substances 0.000 claims description 39
- 239000000758 substrate Substances 0.000 claims description 29
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 9
- 229910052719 titanium Inorganic materials 0.000 claims description 9
- 239000010936 titanium Substances 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 229910052706 scandium Inorganic materials 0.000 claims description 7
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 claims description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
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- 230000005669 field effect Effects 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 4
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- 239000010703 silicon Substances 0.000 claims description 2
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000000231 atomic layer deposition Methods 0.000 description 4
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- 238000013459 approach Methods 0.000 description 2
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- 229910017052 cobalt Inorganic materials 0.000 description 2
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- 150000001875 compounds Chemical class 0.000 description 2
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- 239000002178 crystalline material Substances 0.000 description 2
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- 238000004070 electrodeposition Methods 0.000 description 2
- 229910052746 lanthanum Inorganic materials 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
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- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
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- 229910003697 SiBN Inorganic materials 0.000 description 1
- 229910020286 SiOxNy Inorganic materials 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- CEPICIBPGDWCRU-UHFFFAOYSA-N [Si].[Hf] Chemical compound [Si].[Hf] CEPICIBPGDWCRU-UHFFFAOYSA-N 0.000 description 1
- ILCYGSITMBHYNK-UHFFFAOYSA-N [Si]=O.[Hf] Chemical compound [Si]=O.[Hf] ILCYGSITMBHYNK-UHFFFAOYSA-N 0.000 description 1
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical compound [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 0.000 description 1
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- 238000000137 annealing Methods 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052454 barium strontium titanate Inorganic materials 0.000 description 1
- VKJLWXGJGDEGSO-UHFFFAOYSA-N barium(2+);oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[Ti+4].[Ba+2] VKJLWXGJGDEGSO-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
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- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 1
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- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910052914 metal silicate Inorganic materials 0.000 description 1
- NFFIWVVINABMKP-UHFFFAOYSA-N methylidynetantalum Chemical compound [Ta]#C NFFIWVVINABMKP-UHFFFAOYSA-N 0.000 description 1
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- 229910052759 nickel Inorganic materials 0.000 description 1
- RUFLMLWJRZAWLJ-UHFFFAOYSA-N nickel silicide Chemical compound [Ni]=[Si]=[Ni] RUFLMLWJRZAWLJ-UHFFFAOYSA-N 0.000 description 1
- 229910021334 nickel silicide Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
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- 229910052698 phosphorus Inorganic materials 0.000 description 1
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- 238000007747 plating Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 1
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 1
- 238000005389 semiconductor device fabrication Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- UVGLBOPDEUYYCS-UHFFFAOYSA-N silicon zirconium Chemical compound [Si].[Zr] UVGLBOPDEUYYCS-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 1
- 229910003468 tantalcarbide Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 1
- 229910021342 tungsten silicide Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K10/00—Organic devices specially adapted for rectifying, amplifying, oscillating or switching; Organic capacitors or resistors having potential barriers
- H10K10/40—Organic transistors
- H10K10/46—Field-effect transistors, e.g. organic thin-film transistors [OTFT]
- H10K10/462—Insulated gate field-effect transistors [IGFETs]
- H10K10/484—Insulated gate field-effect transistors [IGFETs] characterised by the channel regions
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K10/00—Organic devices specially adapted for rectifying, amplifying, oscillating or switching; Organic capacitors or resistors having potential barriers
- H10K10/40—Organic transistors
- H10K10/46—Field-effect transistors, e.g. organic thin-film transistors [OTFT]
- H10K10/462—Insulated gate field-effect transistors [IGFETs]
- H10K10/484—Insulated gate field-effect transistors [IGFETs] characterised by the channel regions
- H10K10/488—Insulated gate field-effect transistors [IGFETs] characterised by the channel regions the channel region comprising a layer of composite material having interpenetrating or embedded materials, e.g. a mixture of donor and acceptor moieties, that form a bulk heterojunction
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- H10K10/00—Organic devices specially adapted for rectifying, amplifying, oscillating or switching; Organic capacitors or resistors having potential barriers
- H10K10/80—Constructional details
- H10K10/82—Electrodes
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K10/00—Organic devices specially adapted for rectifying, amplifying, oscillating or switching; Organic capacitors or resistors having potential barriers
- H10K10/40—Organic transistors
- H10K10/46—Field-effect transistors, e.g. organic thin-film transistors [OTFT]
- H10K10/462—Insulated gate field-effect transistors [IGFETs]
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Description
Claims (18)
- 半導体デバイスを形成する方法であって、
ゲートの役割を果たす導電性基板の表面の上にゲート誘電体の役割を果たす誘電体層を形成することと、
前記誘電体層の上にナノチューブを形成することと、
前記ナノチューブの上にゲート誘電体の役割を果たさない絶縁層を形成することと、
前記絶縁層に前記ナノチューブの端部を露出させるソース・トレンチおよびドレイン・トレンチを形成することと、
前記絶縁層に形成した前記ソース・トレンチおよびドレイン・トレンチ内の前記ナノチューブの前記端部の上に低仕事関数金属を形成することと、
前記低仕事関数金属と前記ナノチューブとの間に濡れ層を形成することと、
前記低仕事関数金属の上にキャッピング層を形成することと
を含む、方法。 - 前記ナノチューブはカーボン・ナノチューブを含む、請求項1に記載の方法。
- 前記導電性基板はドープ・シリコンまたは金属を含む、請求項1に記載の方法。
- 前記絶縁層はシリコン窒化物を含む、請求項1に記載の方法。
- 前記低仕事関数金属はスカンジウムを含む、請求項1に記載の方法。
- 前記低仕事関数金属は10nmないし50nmの厚さをさらに含む、請求項5に記載の方法。
- 前記濡れ層はチタンを含む、請求項1に記載の方法。
- 前記濡れ層は0.1nmないし1nmの厚さをさらに含む、請求項7に記載の方法。
- 前記誘電体層は二酸化シリコンを含む、請求項1に記載の方法。
- 前記キャッピング層は金を含む、請求項1に記載の方法。
- 前記キャッピング層は10nmないし50nmの厚さをさらに含む、請求項10に記載の方法。
- 前記濡れ層はチタンを含み、前記低仕事関数金属はスカンジウムを含み、前記キャッピング層は金を含む、請求項1に記載の方法。
- ゲートの役割を果たす導電性基板の表面の上のゲート誘電体の役割を果たす誘電体層と、
前記誘電体層の上のナノチューブと、
前記ナノチューブの端部が絶縁層によって被覆されないようにソース・トレンチおよびドレイン・トレンチを有して前記ナノチューブの一部上にパターン形成された、ゲート誘電体の役割を果たさない絶縁層と、
前記ソース・トレンチおよびドレイン・トレンチ内の前記ナノチューブの前記端部の上の低仕事関数金属と、
前記低仕事関数金属と前記ナノチューブとの間の濡れ層と、
前記低仕事関数金属の上に形成されたキャッピング層と
を含む、半導体デバイス。 - カーボン・ナノチューブ電界効果トランジスタを形成する方法であって、
ゲートの役割を果たす導電性基板の表面の上にカーボン・ナノチューブを形成することと、
前記カーボン・ナノチューブと前記導電性基板との間にゲート誘電体の役割を果たす誘電体層を形成することと、
前記カーボン・ナノチューブの上にゲート誘電体の役割を果たさない絶縁層を形成することと、
前記カーボン・ナノチューブの端部を露出させるソース・トレンチおよびドレイン・トレンチを形成するように前記絶縁層の一部を除去することと、
前記ソース・トレンチおよびドレイン・トレンチ内の前記カーボン・ナノチューブの前記端部の上に低仕事関数金属を形成することと、
前記低仕事関数金属と前記カーボン・ナノチューブとの間に濡れ層を形成することと、
前記低仕事関数金属の上にキャッピング層を形成することと
を含む、方法。 - 前記濡れ層はチタンを含み、前記低仕事関数金属はスカンジウムを含み、前記キャッピング層は金を含む、請求項14に記載の方法。
- ゲートの役割を果たす導電性基板の表面上のゲート誘電体の役割を果たす誘電体層と、
前記誘電体層の表面上のカーボン・ナノチューブと、
前記カーボン・ナノチューブの端部が絶縁層によって被覆されないようにソース・トレンチおよびドレイン・トレンチを有して前記カーボン・ナノチューブの一部上にパターン形成された、ゲート誘電体の役割を果たさない絶縁層と、
前記ソース・トレンチおよびドレイン・トレンチ内の前記ナノチューブの前記端部の上の低仕事関数金属と、
前記低仕事関数金属と前記ナノチューブとの間の濡れ層と、
前記低仕事関数金属上のキャッピング層と
を含む、半導体デバイス。 - 前記濡れ層はチタンを含む、請求項16に記載の半導体デバイス。
- 前記濡れ層は0.1nmないし1nmの厚さをさらに含む、請求項17に記載の半導体デバイス。
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GB2577208A (en) | 2020-03-18 |
US20180342689A1 (en) | 2018-11-29 |
US10141529B1 (en) | 2018-11-27 |
DE112018001069B4 (de) | 2021-07-22 |
CN110651368A (zh) | 2020-01-03 |
DE112018001069T5 (de) | 2019-11-21 |
US20180342688A1 (en) | 2018-11-29 |
WO2018215892A1 (en) | 2018-11-29 |
DE112018008060B4 (de) | 2023-10-05 |
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