KR101045573B1 - Ⅲ족 질화물 인헨스먼트 모드 소자 - Google Patents
Ⅲ족 질화물 인헨스먼트 모드 소자 Download PDFInfo
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- KR101045573B1 KR101045573B1 KR1020087001978A KR20087001978A KR101045573B1 KR 101045573 B1 KR101045573 B1 KR 101045573B1 KR 1020087001978 A KR1020087001978 A KR 1020087001978A KR 20087001978 A KR20087001978 A KR 20087001978A KR 101045573 B1 KR101045573 B1 KR 101045573B1
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- group iii
- iii nitride
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- 239000004065 semiconductor Substances 0.000 claims abstract description 91
- 150000004767 nitrides Chemical class 0.000 claims abstract description 80
- 230000004888 barrier function Effects 0.000 claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 37
- 229910052757 nitrogen Inorganic materials 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 15
- 229910002704 AlGaN Inorganic materials 0.000 claims description 14
- 239000000956 alloy Substances 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 230000005533 two-dimensional electron gas Effects 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- -1 hydrogen ions Chemical class 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/015—Manufacture or treatment of FETs having heterojunction interface channels or heterojunction gate electrodes, e.g. HEMT
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/40—FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels
- H10D30/47—FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels having 2D charge carrier gas channels, e.g. nanoribbon FETs or high electron mobility transistors [HEMT]
- H10D30/471—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT]
- H10D30/472—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT] having lower bandgap active layer formed on top of wider bandgap layer, e.g. inverted HEMT
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/40—FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels
- H10D30/47—FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels having 2D charge carrier gas channels, e.g. nanoribbon FETs or high electron mobility transistors [HEMT]
- H10D30/471—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT]
- H10D30/473—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT] having confinement of carriers by multiple heterojunctions, e.g. quantum well HEMT
- H10D30/4732—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT] having confinement of carriers by multiple heterojunctions, e.g. quantum well HEMT using Group III-V semiconductor material
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/40—FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels
- H10D30/47—FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels having 2D charge carrier gas channels, e.g. nanoribbon FETs or high electron mobility transistors [HEMT]
- H10D30/471—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT]
- H10D30/473—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT] having confinement of carriers by multiple heterojunctions, e.g. quantum well HEMT
- H10D30/4732—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT] having confinement of carriers by multiple heterojunctions, e.g. quantum well HEMT using Group III-V semiconductor material
- H10D30/4738—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT] having confinement of carriers by multiple heterojunctions, e.g. quantum well HEMT using Group III-V semiconductor material having multiple donor layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/40—FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels
- H10D30/47—FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels having 2D charge carrier gas channels, e.g. nanoribbon FETs or high electron mobility transistors [HEMT]
- H10D30/471—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT]
- H10D30/475—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT] having wider bandgap layer formed on top of lower bandgap active layer, e.g. undoped barrier HEMTs such as i-AlGaN/GaN HEMTs
- H10D30/4755—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT] having wider bandgap layer formed on top of lower bandgap active layer, e.g. undoped barrier HEMTs such as i-AlGaN/GaN HEMTs having wide bandgap charge-carrier supplying layers, e.g. modulation doped HEMTs such as n-AlGaAs/GaAs HEMTs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/80—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials
- H10D62/85—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group III-V materials, e.g. GaAs
- H10D62/8503—Nitride Group III-V materials, e.g. AlN or GaN
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- Junction Field-Effect Transistors (AREA)
Abstract
Description
Claims (23)
- 전력 반도체 소자로서,기판과;하나의 밴드 갭(band gap)을 갖는 제 1 Ⅲ족 질화물 반도체 바디 및 상기 제 1 Ⅲ족 질화물 반도체 바디 위의 또 다른 밴드 갭을 갖는 제 2 Ⅲ족 질화물 반도체 바디를 포함하며 제1의 2차원 전자가스를 갖는 제 1 질소 극성 활성 이종접합부와;상기 제 2 Ⅲ족 질화물 반도체 바디에 결합되는 게이트 구조체(gate arrangement)와;상기 게이트 구조체에 바이어스가 걸리지 않을 때 상기 제1의 2차원 전자가스를 중단시키도록, 상기 게이트 구조체와 상기 제 2 Ⅲ족 질화물 반도체 바디 사이에 배치되는 게이트 장벽(gate barrier)과; 그리고상기 제 2 Ⅲ족 질화물 반도체 바디에 결합되는 제 1 전력 전극과 제 2 전력 전극을 포함하는 전력 반도체 소자.
- 제1항에 있어서,Ⅲ족 질화물 완충 층(buffer layer)과, 그리고 상기 Ⅲ족 질화물 완충 층과 상기 기판 사이의 본딩 층(bonding layer)을 더 포함하는 것을 특징으로 하는 전력 반도체 소자.
- 제2항에 있어서,상기 기판은 실리콘으로 구성되고, 그리고 상기 본딩 층은 이산화규소로 구성되는 것을 특징으로 하는 전력 반도체 소자.
- 제3항에 있어서,상기 Ⅲ족 질화물 완충 층은 GaN으로 구성되는 것을 특징으로 하는 전력 반도체 소자.
- 제1항에 있어서,상기 게이트 장벽은 InAlGaN의 합금으로 구성되는 것을 특징으로 하는 전력 반도체 소자.
- 제1항에 있어서,상기 게이트 장벽은 AlGaN으로 구성되는 것을 특징으로 하는 전력 반도체 소자.
- 제1항에 있어서,상기 게이트 장벽은 개별적인 산화물 바디에 의해 각 전력 전극으로부터 이격되어 위치해 있는 것을 특징으로 하는 전력 반도체 소자.
- 제7항에 있어서,상기 게이트 장벽은 AlInGaN의 합금으로 구성되고, 그리고 상기 산화물 바디는 (AlGa)2O3로 구성되는 것을 특징으로 하는 전력 반도체 소자.
- 제7항에 있어서,상기 게이트 장벽은 AlGaN으로 구성되고, 그리고 상기 산화물 바디는 (AlGa)2O3로 구성되는 것을 특징으로 하는 전력 반도체 소자.
- 제1항에 있어서,상기 제 1 질소 극성 활성 이종접합부 위에 형성되는 제 2 질소 극성 활성 이종접합부를 더 포함하며, 여기서 상기 제 2 질소 극성 활성 이종접합부는 제 3 Ⅲ족 질화물 반도체 바디 및 제 4 Ⅲ족 질화물 반도체 바디를 포함하고, 상기 제 3 Ⅲ족 질화물 반도체 바디와 상기 제 4 Ⅲ족 질화물 반도체 바디는 서로 다른 밴드 갭을 가지며 제2의 2차원 전자가스를 형성하는 것을 특징으로 하는 전력 반도체 소자.
- 제10항에 있어서,상기 제 4 Ⅲ족 질화물 반도체 바디는 상기 게이트 구조체를 수납하기 위한 리세스를 포함하는 것을 특징으로 하는 전력 반도체 소자.
- 반도체 소자를 생산하는 방법으로서,Ⅲ족 질화물 반도체 바디를 성장시키는 단계와;상기 Ⅲ족 질화물 반도체 바디 내의 임의 영역에 수소 이온을 주입하는 단계와;상기 영역을 따라 상기 Ⅲ족 질화물 반도체 바디를 분리하여 질소 극성 Ⅲ족 질화물 반도체 바디를 획득하는 단계와; 그리고상기 질소 극성 Ⅲ족 질화물 반도체 바디 위에 Ⅲ족 질화물 반도체 소자를 형성시키는 단계를 포함하는 것을 특징으로 하는 반도체 소자 생산 방법.
- 제12항에 있어서,상기 Ⅲ족 질화물 반도체 바디에 기판을 본딩하는 단계를 더 포함하는 것을 특징으로 하는 반도체 소자 생산 방법.
- 제12항에 있어서,상기 Ⅲ족 질화물 반도체 바디는 GaN으로 구성되는 것을 특징으로 하는 반도체 소자 생산 방법.
- 제12항에 있어서,상기 Ⅲ족 질화물 반도체 소자는 게이트 구조체와, 그리고 상기 게이트 구조체 아래의 게이트 장벽을 포함하는 것을 특징으로 하는 반도체 소자 생산 방법.
- 제15항에 있어서,상기 게이트 장벽은 AlInGaN 계열로부터의 합금인 것을 특징으로 하는 반도체 소자 생산 방법.
- 제16항에 있어서,상기 게이트 장벽은 AlGaN으로 구성되는 것을 특징으로 하는 반도체 소자 생산 방법.
- 제12항에 있어서,상기 Ⅲ족 질화물 반도체 소자는, 게이트 구조체와, 제 1 전력 전극과, 제 2 전력 전극과, 상기 게이트 구조체 아래의 게이트 장벽과, 그리고 상기 전력 전극 각각과 상기 게이트 장벽 사이에 배치되는 절연 스페이서(insulation spacer)를 포함하는 것을 특징으로 하는 반도체 소자 생산 방법.
- 제18항에 있어서,상기 게이트 장벽은 AlInGaN 계열로부터의 합금으로 구성되는 것을 특징으로 하는 반도체 소자 생산 방법.
- 제18항에 있어서,상기 게이트 장벽은 AlGaN으로 구성되는 것을 특징으로 하는 반도체 소자 생산 방법.
- 제18항에 있어서,상기 절연 스페이서들은 (AlGa)2O3로 구성되는 것을 특징으로 하는 반도체 소자 생산 방법.
- 제12항에 있어서,상기 Ⅲ족 질화물 반도체 소자는 Ⅲ족 질화물 활성 이종접합부를 하나 이상 포함하는 것을 특징으로 하는 반도체 소자 생산 방법.
- 제12항에 있어서,상기 Ⅲ족 질화물 반도체 소자는, 게이트 구조체를 수납하는 리세스를 구비한 Ⅲ족 질화물 활성 이종접합부를 하나 이상 포함하는 것을 특징으로 하는 반도체 소자 생산 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US69698505P | 2005-07-06 | 2005-07-06 | |
US60/696,985 | 2005-07-06 | ||
PCT/US2006/026323 WO2007006001A2 (en) | 2005-07-06 | 2006-07-06 | Iii-nitride enhancement mode devices |
Publications (2)
Publication Number | Publication Date |
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KR20080030050A KR20080030050A (ko) | 2008-04-03 |
KR101045573B1 true KR101045573B1 (ko) | 2011-07-01 |
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Country Status (5)
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US (1) | US7759699B2 (ko) |
JP (1) | JP5202312B2 (ko) |
KR (1) | KR101045573B1 (ko) |
DE (1) | DE112006001751B4 (ko) |
WO (1) | WO2007006001A2 (ko) |
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JP5202312B2 (ja) | 2013-06-05 |
WO2007006001A3 (en) | 2009-04-16 |
US7759699B2 (en) | 2010-07-20 |
WO2007006001A9 (en) | 2007-03-29 |
WO2007006001A2 (en) | 2007-01-11 |
DE112006001751B4 (de) | 2010-04-08 |
JP2009503810A (ja) | 2009-01-29 |
DE112006001751T5 (de) | 2008-05-08 |
KR20080030050A (ko) | 2008-04-03 |
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