JP4875701B2 - 窒化ガリウム高電子移動度トランジスタ構造の製造方法 - Google Patents
窒化ガリウム高電子移動度トランジスタ構造の製造方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 20
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 title description 28
- 229910002601 GaN Inorganic materials 0.000 title description 26
- 238000004519 manufacturing process Methods 0.000 title 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 94
- 230000004907 flux Effects 0.000 claims description 52
- 229910052757 nitrogen Inorganic materials 0.000 claims description 49
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 42
- 229910052782 aluminium Inorganic materials 0.000 claims description 41
- 239000000758 substrate Substances 0.000 claims description 26
- 229910052710 silicon Inorganic materials 0.000 claims description 22
- 239000010703 silicon Substances 0.000 claims description 22
- 150000001875 compounds Chemical class 0.000 claims description 7
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 7
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 5
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 38
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 19
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 12
- 229910010271 silicon carbide Inorganic materials 0.000 description 12
- 239000000523 sample Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 4
- 229910052753 mercury Inorganic materials 0.000 description 4
- 238000001451 molecular beam epitaxy Methods 0.000 description 4
- 230000006911 nucleation Effects 0.000 description 3
- 238000010899 nucleation Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 229910002704 AlGaN Inorganic materials 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000000694 effects Effects 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
- 230000009467 reduction Effects 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/778—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface
- H01L29/7786—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface with direct single heterostructure, i.e. with wide bandgap layer formed on top of active layer, e.g. direct single heterostructure MIS-like HEMT
- H01L29/7787—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface with direct single heterostructure, i.e. with wide bandgap layer formed on top of active layer, e.g. direct single heterostructure MIS-like HEMT with wide bandgap charge-carrier supplying layer, e.g. direct single heterostructure MODFET
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02439—Materials
- H01L21/02455—Group 13/15 materials
- H01L21/02458—Nitrides
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/778—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface
- H01L29/7782—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface with confinement of carriers by at least two heterojunctions, e.g. DHHEMT, quantum well HEMT, DHMODFET
- H01L29/7783—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface with confinement of carriers by at least two heterojunctions, e.g. DHHEMT, quantum well HEMT, DHMODFET using III-V semiconductor material
- H01L29/7785—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface with confinement of carriers by at least two heterojunctions, e.g. DHHEMT, quantum well HEMT, DHMODFET using III-V semiconductor material with more than one donor layer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
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- H01L29/2003—Nitride compounds
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Description
Al(液体)+SiC→Al4C3+Al(液体+Si) (1)
シリコンは現在液体状態にあるので、これは、過剰のアルミニウムを用いて成長させたAlN膜を通って素早く移動することができる。
本発明によれば、半導体構造を形成する方法であって:アルミニウム流束より大きい反応性窒素流束を用いて、AlNの層を、シリコンの化合物を含む基板表面に成長させることと;アルミニウム及び反応性窒素流束を変え、その結果、アルミニウム流束は反応性窒素流束より大きいことと;を含む方法が提供される。
AlxGa1−xN層18をGaN層16表面に成長させる。GaNのキャップ層20をAlXGa1−xN層表面に成長させてよい。MBE装置から除去した後に、任意の従来の仕方で、ソース(S)及びドレイン(D)(電極)を、キャップが存在する場合に層20と及びキャップが存在しない場合に層18とオーミックコンタクトした状態で形成し、ゲート電極(G)を、キャップが存在する場合に層20と及びキャップが存在しない場合に層18とショットキー接触した状態で形成する。
図5の構造を形成するプロセスは、図8を参照すると、次の通り:
基板表面でいつAl流束が反応性N流束と等しくなるか決定することによって、分子線エピタキシャル成長(MBE)装置を校正する、工程800。シリコンの化合物を有する基板を、校正したMBE装置中に入れる、工程802。基板12表面の上に、アルミニウム原子の流束及び反応性窒素原子の流束を指向する、工程804。アルミニウム及び反応性窒素流束を調節し、その結果、反応性窒素流束はアルミニウム流束より大きい、工程804。AlNの層14aを厚さ30〜300オングストロームまで成長させる、工程806。アルミニウム及び反応性窒素流束を変え、その結果、アルミニウム流束は反応性窒素流束より大きい、工程808。AlNの層14bを、厚さ50〜1000オングストロームまで成長させる、工程810。アルミニウム濃度をx=lからx=0にランプダウンさせ、厚さ0オングストローム(すなわち、傾斜無し)〜2000オングストロームを有する、傾斜(graded)AlXGa1−xN層15を成長させる、工程812。厚さ0.3〜3.0ミクロンを有するGaN層16を成長させる、工程814。0.05<x<0.40及び厚さ100〜500オングストロームを有するAlxGa1−xN層18を成長させる、工程816。厚さ0オングストローム(キャップ無し)〜300オングストロームを有するGaNキャップ層20を成長させる、工程818。
Claims (3)
- 半導体構造を形成する方法であって、該方法は、
AlNの層をシリコンの化合物を含む基板表面に成長させるステップであって、該ステップは、反応性窒素流束がアルミニウム流束より大きいアルミニウム原子の流束及び反応性窒素原子の流束を前記基板表面に指向させるステップを含む、ステップと、
前記アルミニウム及び反応性窒素流束を変え、その結果、前記アルミニウム流束を前記反応性窒素流束より大きくするステップと、
を含み、
前記アルミニウム流束より大きい反応性窒素流束を用いる前記AlNの層を基板表面に成長させるステップは、このようなAlNの層を厚さ30〜300オングストロームに成長させるステップを含み、
前記反応性窒素流束より大きい前記アルミニウム流束を用いる前記AlNの層を成長させるステップは、このようなAlNの層を厚さ50〜1000オングストロームに成長させるステップを含む、方法であって、該方法は、
それに続いて傾斜Al x Ga 1−x N層を成長させるステップを含み、
それに続いてGaN層を成長させるステップを含み、
それに続いてAl x Ga 1−x N層を成長させるステップを含む、
方法。 - 半導体構造を形成する方法であって、該方法は、
AlNの層をシリコンの化合物を含む基板表面に成長させるステップであって、該ステップは、流束が零ではないアルミニウム原子の流束及び反応性窒素原子の流束を前記基板表面に指向させるステップを含む、ステップと、
前記アルミニウム及び反応性窒素流束を変え、その結果、前記アルミニウム流束を前記反応性窒素流束より大きくするステップと、
を含む方法。 - 半導体構造を形成する方法であって、該方法は、
AlNの第1の層をシリコンの化合物を含む基板表面に成長させるステップであって、該ステップは、反応性窒素流束がアルミニウム流束より大きい、流束が零ではないアルミニウム原子の流束及び流束が零ではない反応性窒素原子の流束を前記基板表面に指向させるステップを含む、ステップと、
AlNの第2の層を成長させるステップであって、前記指向させたアルミニウム原子の流束及び反応性窒素原子の流束のアルミニウム及び反応性窒素の流束を変え、その結果、前記アルミニウム流束を前記反応性窒素流束より大きくするステップを含む、ステップと、
を含む方法。
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US11/132,533 US7226850B2 (en) | 2005-05-19 | 2005-05-19 | Gallium nitride high electron mobility transistor structure |
US11/132,533 | 2005-05-19 | ||
PCT/US2006/017823 WO2006124387A2 (en) | 2005-05-19 | 2006-05-09 | Gallium nitride high electron mobility transistor structure |
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JP2008546175A JP2008546175A (ja) | 2008-12-18 |
JP4875701B2 true JP4875701B2 (ja) | 2012-02-15 |
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Country | Link |
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US (2) | US7226850B2 (ja) |
EP (1) | EP1935025B1 (ja) |
JP (1) | JP4875701B2 (ja) |
KR (1) | KR101157921B1 (ja) |
WO (1) | WO2006124387A2 (ja) |
Families Citing this family (23)
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JP2007095858A (ja) * | 2005-09-28 | 2007-04-12 | Toshiba Ceramics Co Ltd | 化合物半導体デバイス用基板およびそれを用いた化合物半導体デバイス |
US20100269234A1 (en) * | 2007-01-23 | 2010-10-28 | Donald Mathew Bennett | Close quarter battle chaps |
JP4531071B2 (ja) * | 2007-02-20 | 2010-08-25 | 富士通株式会社 | 化合物半導体装置 |
JP2008277655A (ja) * | 2007-05-02 | 2008-11-13 | Hitachi Cable Ltd | 半導体エピタキシャルウェハ及び電界効果トランジスタ |
WO2011005444A1 (en) | 2009-06-22 | 2011-01-13 | Raytheon Company | Gallium nitride for liquid crystal electrodes |
JP5343910B2 (ja) * | 2010-04-09 | 2013-11-13 | 富士通株式会社 | 化合物半導体装置の製造方法 |
JP5668339B2 (ja) * | 2010-06-30 | 2015-02-12 | 住友電気工業株式会社 | 半導体装置の製造方法 |
US20120153351A1 (en) * | 2010-12-21 | 2012-06-21 | International Rectifier Corporation | Stress modulated group III-V semiconductor device and related method |
KR101761309B1 (ko) | 2011-04-19 | 2017-07-25 | 삼성전자주식회사 | GaN 박막 구조물, 그의 제조 방법, 및 그를 포함하는 반도체 소자 |
US9147701B2 (en) | 2011-09-22 | 2015-09-29 | Raytheon Company | Monolithic InGaN solar cell power generation with integrated efficient switching DC-DC voltage convertor |
JP2013140866A (ja) * | 2012-01-04 | 2013-07-18 | Renesas Electronics Corp | 半導体装置及び半導体装置の製造方法 |
NZ702327A (en) | 2012-05-24 | 2016-03-31 | Raytheon Co | Liquid crystal control structure, tip-tilt-focus optical phased array and high power adaptive optic |
JP6392498B2 (ja) * | 2013-03-29 | 2018-09-19 | 富士通株式会社 | 化合物半導体装置及びその製造方法 |
NZ713761A (en) | 2013-05-24 | 2017-05-26 | Raytheon Co | Adaptive-optic having meander resistors |
US9620598B2 (en) * | 2014-08-05 | 2017-04-11 | Semiconductor Components Industries, Llc | Electronic device including a channel layer including gallium nitride |
US9620362B2 (en) * | 2015-04-29 | 2017-04-11 | Taiwan Semiconductor Manufacutring Co., Ltd. | Seed layer structure for growth of III-V materials on silicon |
JP6925117B2 (ja) * | 2016-11-18 | 2021-08-25 | エア・ウォーター株式会社 | 化合物半導体基板の製造方法および化合物半導体基板 |
CN106449375B (zh) * | 2016-12-26 | 2024-07-05 | 英诺赛科(珠海)科技有限公司 | 含有硅掺杂氮化铝层的半导体器件及其制造方法 |
CN106783968B (zh) * | 2016-12-26 | 2024-07-26 | 英诺赛科(珠海)科技有限公司 | 含有氮镓铝和氮镓铟的缓存层的半导体器件及其制造方法 |
WO2019079270A1 (en) * | 2017-10-16 | 2019-04-25 | White Thomas P | MICRO HALL EFFECT DEVICES FOR SIMULTANEOUS CURRENT AND TEMPERATURE MEASUREMENTS FOR HIGH AND LOW TEMPERATURE ENVIRONMENTS |
JP7393138B2 (ja) * | 2019-06-24 | 2023-12-06 | 住友化学株式会社 | Iii族窒化物積層体 |
JP7220647B2 (ja) * | 2019-12-17 | 2023-02-10 | クアーズテック株式会社 | 窒化物半導体基板及びその製造方法 |
CN114250517B (zh) * | 2021-12-31 | 2023-04-14 | 深圳大学 | 一种采用气相传输制备氮化铝晶体的方法 |
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JP2008546175A (ja) | 2008-12-18 |
US20070164313A1 (en) | 2007-07-19 |
EP1935025A2 (en) | 2008-06-25 |
WO2006124387A2 (en) | 2006-11-23 |
KR20080007235A (ko) | 2008-01-17 |
WO2006124387A3 (en) | 2010-09-02 |
US7226850B2 (en) | 2007-06-05 |
EP1935025B1 (en) | 2015-09-09 |
US20060261370A1 (en) | 2006-11-23 |
KR101157921B1 (ko) | 2012-06-22 |
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