KR102456957B1 - 전계효과 트랜지스터 - Google Patents
전계효과 트랜지스터 Download PDFInfo
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- KR102456957B1 KR102456957B1 KR1020190058000A KR20190058000A KR102456957B1 KR 102456957 B1 KR102456957 B1 KR 102456957B1 KR 1020190058000 A KR1020190058000 A KR 1020190058000A KR 20190058000 A KR20190058000 A KR 20190058000A KR 102456957 B1 KR102456957 B1 KR 102456957B1
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- 230000005669 field effect Effects 0.000 title claims abstract description 43
- 239000004065 semiconductor Substances 0.000 claims abstract description 107
- 239000000758 substrate Substances 0.000 claims description 32
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 27
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 12
- 229910052759 nickel Inorganic materials 0.000 claims description 11
- 229910002601 GaN Inorganic materials 0.000 claims description 9
- 229910052773 Promethium Inorganic materials 0.000 claims description 6
- YZCKVEUIGOORGS-NJFSPNSNSA-N Tritium Chemical compound [3H] YZCKVEUIGOORGS-NJFSPNSNSA-N 0.000 claims description 6
- VQMWBBYLQSCNPO-UHFFFAOYSA-N promethium atom Chemical compound [Pm] VQMWBBYLQSCNPO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052712 strontium Inorganic materials 0.000 claims description 6
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 6
- 229910052722 tritium Inorganic materials 0.000 claims description 6
- RNQKDQAVIXDKAG-UHFFFAOYSA-N aluminum gallium Chemical compound [Al].[Ga] RNQKDQAVIXDKAG-UHFFFAOYSA-N 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 12
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 12
- 239000010931 gold Substances 0.000 description 11
- 239000010936 titanium Substances 0.000 description 10
- 230000005533 two-dimensional electron gas Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 229910052581 Si3N4 Inorganic materials 0.000 description 6
- 239000000969 carrier Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 239000010948 rhodium Substances 0.000 description 6
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 150000004767 nitrides Chemical class 0.000 description 4
- 229910052763 palladium Inorganic materials 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- 230000002285 radioactive effect Effects 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 229910052741 iridium Inorganic materials 0.000 description 3
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 239000011733 molybdenum Substances 0.000 description 3
- 229910052703 rhodium Inorganic materials 0.000 description 3
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 229910052715 tantalum Inorganic materials 0.000 description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 3
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 2
- AUCDRFABNLOFRE-UHFFFAOYSA-N alumane;indium Chemical compound [AlH3].[In] AUCDRFABNLOFRE-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- HZXMRANICFIONG-UHFFFAOYSA-N gallium phosphide Chemical compound [Ga]#P HZXMRANICFIONG-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000005250 beta ray Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(iv) oxide Chemical compound O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NQBRDZOHGALQCB-UHFFFAOYSA-N oxoindium Chemical compound [O].[In] NQBRDZOHGALQCB-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
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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Abstract
Description
도 3은 본 발명의 실시예들에 따른 전계효과 트랜지스터를 설명하기 위한 단면도이다.
도 4 및 도 5는 본 발명의 실시예들에 따른 전계효과 트랜지스터를 설명하기 위한 단면도들이다.
도 6은 본 발명의 실시예들에 따른 전계효과 트랜지스터를 설명하기 위한 단면도이다.
도 7은 본 발명의 실시예들에 따른 전계효과 트랜지스터를 설명하기 위한 단면도이다.
도 8은 비교예의 전기적 특성을 측정한 결과를 나타낸 그래프이다.
도 9는 실험예의 전기적 특성을 측정한 결과를 나타낸 그래프이다.
210: 공핍층 310: 소스 전극
320: 드레인 전극 330: 게이트 전극
340: 게이트 절연막 410: 채널 조절부
420: 조절부 절연막
Claims (16)
- 반도체층;
상기 반도체층 내의 채널 영역 상에 제공되는 게이트 전극; 및
상기 채널 영역과 인접하도록 상기 반도체층의 일면 상에 제공되되, 상기 게이트 전극과 평면적으로 중첩되는 채널 조절부를 포함하되,
상기 채널 조절부는 상기 채널 영역에 공핍층을 형성하고,
상기 공핍층은 상기 채널 조절부로부터 방출되는 베타선에 의해 형성되고,
상기 게이트 전극에 인가되는 양 전압에 의해 상기 공핍층의 일부가 제거되고, 반도체층의 채널 영역에 채널이 형성되는 전계효과 트랜지스터.
- 삭제
- 삭제
- 제 1 항에 있어서,
상기 채널 조절부는 상기 게이트 전극 내에 매립되어 상기 게이트 전극에 의해 둘러싸이는 전계효과 트랜지스터. - 제 4 항에 있어서,
상기 채널 조절부와 상기 게이트 전극 사이에 개재되어, 상기 채널 조절부와 상기 게이트 전극을 전기적으로 절연시키는 조절부 절연막을 더 포함하는 전계효과 트랜지스터. - 제 1 항에 있어서,
상기 채널 조절부는 반도체층의 하면 상에 제공되는 기판 내에 상기 채널 영역과 중첩되도록 배치되는 전계효과 트랜지스터. - 제 1 항에 있어서,
상기 채널 조절부와 상기 게이트 전극은 상기 채널 영역 상에 순차적으로 적층되는 전계효과 트랜지스터. - 제 1 항에 있어서,
상기 채널 조절부는 니켈 동위원소(Ni-63), 삼중수소(H-3), 프로메튬 동위원소(Pm-147) 또는 스트론튬 동위원소(Sr-90)를 포함하는 전계효과 트랜지스터. - 제 1 항에 있어서,
상기 반도체층 상에 제공되고, 상기 게이트 전극을 사이에 두고 이격되어 배치되는 소스 전극 및 드레인 전극을 더 포함하는 전계효과 트랜지스터. - 제 1 항에 있어서,
상기 반도체층은 순차적으로 적층되는 질화 갈륨(GaN) 층 및 질화 알루미늄 갈륨(AlGaN) 층을 포함하는 전계효과 트랜지스터.
- 반도체층;
상기 반도체층의 상면 상에 서로 이격되어 배치되는 소스 전극 및 드레인 전극;
상기 반도체층의 상면 상에서 상기 소스 전극과 상기 드레인 전극 사이에 배치되는 게이트 전극; 및
상기 게이트 전극 내에 매립되는 채널 조절부를 포함하되,
상기 채널 조절부는 상기 반도체층으로 베타 입자를 방출하여 상기 반도체층 내의 채널 영역에 공핍층을 형성하고,
상기 게이트 전극에 인가되는 양 전압에 의해 상기 공핍층의 일부가 제거되고, 상기 반도체층의 상기 채널 영역에 채널이 형성되는 전계효과 트랜지스터.
- 삭제
- 삭제
- 제 11 항에 있어서,
상기 채널 조절부와 상기 게이트 전극 사이에 개재되어, 상기 채널 조절부와 상기 게이트 전극을 전기적으로 절연시키는 조절부 절연막을 더 포함하는 전계효과 트랜지스터. - 제 11 항에 있어서,
상기 채널 조절부는 니켈 동위원소(Ni-63), 삼중수소(H-3), 프로메튬 동위원소(Pm-147) 또는 스트론튬 동위원소(Sr-90)를 포함하는 전계효과 트랜지스터. - 제 11 항에 있어서,
상기 반도체층은 순차적으로 적층되는 질화 갈륨(GaN) 층 및 질화 알루미늄 갈륨(AlGaN) 층을 포함하는 전계효과 트랜지스터.
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