KR102382656B1 - 적층체 - Google Patents
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- KR102382656B1 KR102382656B1 KR1020187016344A KR20187016344A KR102382656B1 KR 102382656 B1 KR102382656 B1 KR 102382656B1 KR 1020187016344 A KR1020187016344 A KR 1020187016344A KR 20187016344 A KR20187016344 A KR 20187016344A KR 102382656 B1 KR102382656 B1 KR 102382656B1
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- 239000004065 semiconductor Substances 0.000 claims abstract description 137
- 239000000758 substrate Substances 0.000 claims abstract description 137
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 77
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 77
- 230000009467 reduction Effects 0.000 claims abstract description 56
- 230000002401 inhibitory effect Effects 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims description 43
- 229910052751 metal Inorganic materials 0.000 claims description 42
- 239000002184 metal Substances 0.000 claims description 42
- 230000004888 barrier function Effects 0.000 claims description 25
- 229910052710 silicon Inorganic materials 0.000 claims description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 11
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 11
- 239000010703 silicon Substances 0.000 claims description 11
- 229910052721 tungsten Inorganic materials 0.000 claims description 11
- 150000002739 metals Chemical class 0.000 claims description 10
- 229910052719 titanium Inorganic materials 0.000 claims description 10
- 229910052738 indium Inorganic materials 0.000 claims description 9
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 8
- 229910052741 iridium Inorganic materials 0.000 claims description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims description 7
- 229910052763 palladium Inorganic materials 0.000 claims description 7
- 229910052702 rhenium Inorganic materials 0.000 claims description 7
- 229910052703 rhodium Inorganic materials 0.000 claims description 7
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 229910052709 silver Inorganic materials 0.000 claims description 6
- 229910052733 gallium Inorganic materials 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 229910052707 ruthenium Inorganic materials 0.000 claims description 4
- 229910021332 silicide Inorganic materials 0.000 claims description 4
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052718 tin Inorganic materials 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 372
- 239000010408 film Substances 0.000 description 48
- 230000001629 suppression Effects 0.000 description 23
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- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 18
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 15
- 230000002441 reversible effect Effects 0.000 description 13
- 238000005259 measurement Methods 0.000 description 12
- HBEQXAKJSGXAIQ-UHFFFAOYSA-N oxopalladium Chemical compound [Pd]=O HBEQXAKJSGXAIQ-UHFFFAOYSA-N 0.000 description 10
- 229910003445 palladium oxide Inorganic materials 0.000 description 10
- 229910045601 alloy Inorganic materials 0.000 description 9
- 239000000956 alloy Substances 0.000 description 9
- 230000002349 favourable effect Effects 0.000 description 9
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 8
- 238000005229 chemical vapour deposition Methods 0.000 description 8
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- 239000013078 crystal Substances 0.000 description 7
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 7
- 230000003746 surface roughness Effects 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- HTXDPTMKBJXEOW-UHFFFAOYSA-N dioxoiridium Chemical compound O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 6
- 229910000457 iridium oxide Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 6
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 238000004544 sputter deposition Methods 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
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- 238000003917 TEM image Methods 0.000 description 4
- 125000004429 atom Chemical group 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 150000002500 ions Chemical group 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- MUMZUERVLWJKNR-UHFFFAOYSA-N oxoplatinum Chemical compound [Pt]=O MUMZUERVLWJKNR-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910003446 platinum oxide Inorganic materials 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- 238000005036 potential barrier Methods 0.000 description 4
- 229920001187 thermosetting polymer Polymers 0.000 description 4
- 239000011787 zinc oxide Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 3
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- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
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- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 229910005542 GaSb Inorganic materials 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 2
- 229910000673 Indium arsenide Inorganic materials 0.000 description 2
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 229910007709 ZnTe Inorganic materials 0.000 description 2
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- 230000005525 hole transport Effects 0.000 description 2
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 2
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 2
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- 230000003287 optical effect Effects 0.000 description 2
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- 238000001004 secondary ion mass spectrometry Methods 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
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- 239000002356 single layer Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- -1 (K Substances 0.000 description 1
- 229910002704 AlGaN Inorganic materials 0.000 description 1
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 1
- 229910004129 HfSiO 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
- 238000006124 Pilkington process Methods 0.000 description 1
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- 230000009471 action Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000005407 aluminoborosilicate glass Substances 0.000 description 1
- 239000005354 aluminosilicate glass Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
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- 229910052785 arsenic Inorganic materials 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
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- SLIUAWYAILUBJU-UHFFFAOYSA-N pentacene Chemical compound C1=CC=CC2=CC3=CC4=CC5=CC=CC=C5C=C4C=C3C=C21 SLIUAWYAILUBJU-UHFFFAOYSA-N 0.000 description 1
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- 229910052720 vanadium Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
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- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
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- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
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- H10D30/6755—Oxide semiconductors, e.g. zinc oxide, copper aluminium oxide or cadmium stannate
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Abstract
Description
도 2 는 본 발명의 적층체의 다른 실시형태를 모식적으로 나타낸 단면도이다.
도 3 은 본 발명의 적층체의 다른 실시형태를 모식적으로 나타낸 단면도이다.
도 4 는 본 발명의 적층체의 다른 실시형태를 모식적으로 나타낸 단면도이다.
도 5 는 본 발명의 적층체의 다른 실시형태를 모식적으로 나타낸 단면도이다.
도 6 은 본 발명의 적층체의 다른 실시형태를 모식적으로 나타낸 단면도이다.
도 7 은 본 발명의 적층체의 다른 실시형태를 모식적으로 나타낸 단면도이다.
도 8 은 실시예 2 에서 제조한 적층 전극의 단면 TEM 이미지이다.
도 9 는 실시예 16 ∼ 28 에서 제조한 소자를 모식적으로 나타낸 단면도이다.
Claims (22)
- 기판, 환원 억제층, 쇼트키 전극층, 및 금속 산화물 반도체층을 이 순서로 포함하고,
상기 쇼트키 전극층이, Pd, Mo, Pt, Ir, Ru, Ni, W, Cr, Re, Te, Tc, Mn, Os, Fe, Rh 및 Co 로부터 선택되는 1 이상의 금속의 산화물을 포함하고,
상기 환원 억제층이, Pd, Mo, Pt, Ir, Ru, Au, W, Cr, Re, Te, Tc, Mn, Os, Fe, Rh 및 Co 로부터 선택되는 1 종류 이상의 원소를 포함하는, 적층체. - 제 1 항에 있어서,
상기 기판과 상기 환원 억제층 사이에 위치된 접촉 저항 저감층을 더 포함하는, 적층체. - 제 2 항에 있어서,
상기 접촉 저항 저감층이, Ti, Mo, Ag, In, Al, W, Co 및 Ni 로부터 선택되는 1 이상의 금속 또는 그 실리사이드를 포함하는, 적층체. - 제 1 항에 있어서,
상기 쇼트키 전극층이, 일함수가 4.4 eV 이상인 1 종류 이상의 원소의 산화물을 포함하는, 적층체. - 제 1 항에 있어서,
상기 쇼트키 전극층이, Pd 산화물, Pt 산화물, Ir 산화물, 또는 Ru 산화물을 포함하는, 적층체. - 제 1 항에 있어서,
상기 기판이 도전성 기판인, 적층체. - 제 1 항에 있어서,
상기 기판이 도전성의 실리콘 기판인, 적층체. - 제 1 항에 있어서,
상기 금속 산화물 반도체층이, In, Sn, Ga, 및 Zn 으로부터 선택되는 1 종류 이상의 원소를 포함하는, 적층체. - 제 1 항에 있어서,
상기 금속 산화물 반도체층의 수소 원자 농도가 1017 ∼ 1022 개/㎤ 인, 적층체. - 제 1 항에 있어서,
상기 금속 산화물 반도체층 상에 오믹 전극층을 더 포함하는, 적층체. - 제 1 항에 있어서,
상기 금속 산화물 반도체층의 외연이, 상기 쇼트키 전극층의 외연의 위치와 동일한 위치에 위치하거나 또는 상기 쇼트키 전극층의 외연의 내측에 위치하고, 상기 쇼트키 전극층이 상기 금속 산화물 반도체층의 하면의 전체면에 접하는, 적층체. - 제 10 항에 있어서,
상기 오믹 전극층의 외연이, 상기 금속 산화물 반도체층의 외연의 위치와 동일한 위치에 위치하거나 또는 상기 금속 산화물 반도체층의 외연의 내측에 위치하는, 적층체. - 제 1 항에 기재된 적층체를 사용한 반도체 소자.
- 제 13 항에 기재된 반도체 소자를 사용한 쇼트키 배리어 다이오드.
- 제 13 항에 기재된 반도체 소자를 사용한 정션 트랜지스터.
- 제 13 항에 기재된 반도체 소자를 사용한 전자 회로.
- 제 16 항에 기재된 전자 회로를 사용한 전자 기기.
- 제 14 항에 기재된 쇼트키 배리어 다이오드를 사용한 전자 회로.
- 제 18 항에 기재된 전자 회로를 사용한 전자 기기.
- 제 15 항에 기재된 정션 트랜지스터를 사용한 전자 회로.
- 제 20 항에 기재된 전자 회로를 사용한 전자 기기.
- 제 1 항에 있어서,
상기 쇼트키 전극층을 구성하는 금속 산화물과 동일한 금속이 상기 환원 억제층에 사용되는, 적층체.
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