JP6271020B2 - 誘電体ウィンドウ内へのiii−v族成長中の不均一性の成長及びオートドーピングを抑制する方法 - Google Patents
誘電体ウィンドウ内へのiii−v族成長中の不均一性の成長及びオートドーピングを抑制する方法 Download PDFInfo
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Description
・非天然基質に対するエピタキシャル層の熱膨張係数(CTE)不整合による残留応力の低減(温度)
・より正確なレイヤ制御(圧力及び温度)
・CMOSとの化合物半導体の異種インテグレーションに関するラインオブサイト(非選択)成長が、ウィンドウ内の化合物半導体材料の任意の配置及び大きさを可能にする(圧力)
・シリコン基板、シリコンデバイス層、及び誘電材料からのオートドーピングの抑制又は排除(温度)。
Claims (14)
- 基板の選択部分の上に配置された積層体内に形成されたウィンドウを通じて、前記基板の前記選択部分の上にIII−V族材料を堆積する方法であって、前記積層体は、前記基板上の第1の誘電体層、該第1の誘電体層上のシリコン層、及び該シリコン層上の第2の誘電体層を有し、前記シリコン層は、シリコンベースのデバイスが形成される層であり、当該方法は、
前記ウィンドウに隣接する前記第2の誘電体層の領域の上に多結晶層を形成することと、
MOCVDによって、前記多結晶層の上の多結晶III−V族材料と、前記ウィンドウ内の前記基板の選択部分の上の単結晶III−V族材料とを成長させることと
を有する方法。 - 前記多結晶層は多結晶材料として堆積される、請求項1に記載の方法。
- 前記多結晶層は、前記ウィンドウの形成に先立って、前記第2の誘電体層上に堆積される、請求項1に記載の方法。
- 前記多結晶層は、前記ウィンドウの形成に先立って、アモルファスに堆積され且つ熱的に再結晶化される、請求項1に記載の方法。
- 前記多結晶層は、前記ウィンドウの形成後にアモルファスに堆積され、且つ熱的に再結晶化されることで、前記ウィンドウの形成後に露出された前記基板の部分上に単結晶層を提供する、請求項1に記載の方法。
- 前記多結晶層は、前記ウィンドウの形成後にアモルファスに堆積され、その後に、熱的に再結晶化されて前記ウィンドウの底に単結晶層を提供することで、前記単結晶III−V族材料のための成長テンプレートを提供する、請求項1に記載の方法。
- 前記多結晶層は、前記ウィンドウの形成後に、前記ウィンドウ内の単結晶材料と前記ウィンドウの外側の前記第2の誘電体層の上の多結晶材料とを合わせたものとして堆積される、請求項1に記載の方法。
- 前記多結晶層は、前記ウィンドウの形成後且つIII−V族成長の前に、前記ウィンドウ内の単結晶材料と前記ウィンドウの外側の前記第2の誘電体層の上の多結晶材料とを合わせたものとして堆積される、請求項7に記載の方法。
- 前記多結晶層は、前記第2の誘電体層と前記ウィンドウのエッジの側面との上に堆積される、請求項1に記載の方法。
- 前記多結晶層は、前記第2の誘電体層及び前記ウィンドウの側面の上と、前記基板の露出された前記選択部分の上の前記ウィンドウの底とに、アモルファス材料として堆積され、その後に熱的に再結晶化されて、前記ウィンドウの底にIII−V族層のための単結晶成長テンプレートを提供し、前記ウィンドウの底の外側のアモルファスに堆積された前記多結晶層の部分は、再結晶化されて多結晶部分を提供する、請求項1に記載の方法。
- 前記多結晶層は、前記第2の誘電体層と、前記ウィンドウの側面と、前記ウィンドウの底の前記基板の前記選択部分の上に残存する前記第1の誘電体層の部分と、の上にアモルファス材料として堆積され、
当該方法は、
前記ウィンドウの底の前記基板の前記選択部分から前記第1の誘電体層の部分と前記アモルファス材料とを除去することと、
アモルファスに堆積された前記多結晶層の残りの部分を熱的に再結晶化させることと、
前記ウィンドウの底の前記基板の露出された前記選択部分上に、単結晶材料としてIII−V族材料を成長させることと
を含む、請求項1に記載の方法。 - 前記多結晶層は、前記第2の誘電体層と、前記ウィンドウの側面と、前記ウィンドウの底の前記基板の前記選択部分の上に残存する前記第1の誘電体層の部分と、の上にアモルファス材料として堆積され、
当該方法は、
アモルファスに堆積された前記多結晶層を熱的に再結晶化させることと、
前記ウィンドウの底の前記基板の前記選択部分から前記第1の誘電体層の部分と多結晶材料とを除去することと、
前記ウィンドウの底の前記基板の露出された前記選択部分上に、単結晶材料としてIII−V族材料を成長させることと
を含む、請求項1に記載の方法。 - 前記多結晶層は、前記第2の誘電体層と、前記ウィンドウの側面と、前記ウィンドウの底の前記基板の前記選択部分の上に残存する前記第1の誘電体層の部分との上に堆積され、
当該方法は、
前記ウィンドウの底の前記基板の前記選択部分から前記第1の誘電体層の部分と多結晶材料とを除去することと、
前記ウィンドウの底の前記基板の露出された前記選択部分上に、単結晶材料としてIII−V族材料を成長させることと
を含む、請求項1に記載の方法。 - 基板の選択部分の上に配置された積層体内に形成されたウィンドウを通じて、前記基板の前記選択部分の上にIII−V族材料を堆積する方法であって、前記積層体は、前記基板上の第1の誘電体層、該第1の誘電体層上のシリコン層、及び該シリコン層上の第2の誘電体層を有し、前記シリコン層は、シリコンベースのデバイスが形成される層であり、当該方法は、
MOCVDによって、前記ウィンドウ内の前記基板の選択部分上に、III−V族材料を単結晶として成長させる一方で、前記ウィンドウに隣接する前記第2の誘電体層の領域上に形成された多結晶層の上に、前記III−V族材料を多結晶材料として成長させること
を有する方法。
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US14/010,954 | 2013-08-27 | ||
US14/010,954 US20150059640A1 (en) | 2013-08-27 | 2013-08-27 | Method for reducing growth of non-uniformities and autodoping during column iii-v growth into dielectric windows |
PCT/US2014/043594 WO2015030913A1 (en) | 2013-08-27 | 2014-06-23 | Method for reducing growth of non-uniformities and autodoping during column iii-v growth into dielectric windows |
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US11581448B2 (en) | 2021-04-01 | 2023-02-14 | Raytheon Company | Photoconductive semiconductor switch laterally fabricated alongside GaN on Si field effect transistors |
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US10153300B2 (en) * | 2016-02-05 | 2018-12-11 | Taiwan Semiconductor Manufacturing Company Limited | Semiconductor device including a high-electron-mobility transistor (HEMT) and method for manufacturing the same |
FR3056825B1 (fr) * | 2016-09-29 | 2019-04-26 | Soitec | Structure comprenant des ilots semi-conducteurs monocristallins, procede de fabrication d'une telle structure |
US20230005676A1 (en) * | 2020-02-18 | 2023-01-05 | University Of Manitoba | Direct Current Circuit Breaker and Related Method |
US11742203B2 (en) * | 2020-02-26 | 2023-08-29 | The Hong Kong University Of Science And Technology | Method for growing III-V compound semiconductor thin films on silicon-on-insulators |
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JPS59171114A (ja) * | 1983-03-18 | 1984-09-27 | Agency Of Ind Science & Technol | 半導体単結晶膜の製造方法 |
JPS61135112A (ja) * | 1984-12-05 | 1986-06-23 | Fujitsu Ltd | 半導体装置の製造方法 |
JPH01122115A (ja) * | 1987-11-06 | 1989-05-15 | Hitachi Ltd | 半導体ヘテロ構造の形成方法 |
FR2629636B1 (fr) * | 1988-04-05 | 1990-11-16 | Thomson Csf | Procede de realisation d'une alternance de couches de materiau semiconducteur monocristallin et de couches de materiau isolant |
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JPH0334533A (ja) * | 1989-06-30 | 1991-02-14 | Toshiba Corp | 半導体結晶層の製造方法 |
US5481120A (en) * | 1992-12-28 | 1996-01-02 | Hitachi, Ltd. | Semiconductor device and its fabrication method |
EP1222685B1 (en) * | 1999-10-14 | 2010-02-17 | Cree, Inc. | Single step pendeo- and lateral epitaxial overgrowth of group iii-nitride layers |
US6812053B1 (en) * | 1999-10-14 | 2004-11-02 | Cree, Inc. | Single step pendeo- and lateral epitaxial overgrowth of Group III-nitride epitaxial layers with Group III-nitride buffer layer and resulting structures |
EP1376664A4 (en) * | 2001-03-29 | 2009-08-19 | Toyoda Gosei Kk | PROCESS FOR PREPARING A SEMICONDUCTOR WITH GROUP III NITRIDE COMPOSITION AND SEMICONDUCTOR COMPONENT WITH GROUP III NITRIDE COMPOSITION |
TW554521B (en) * | 2002-09-16 | 2003-09-21 | Nanya Technology Corp | Process for forming a bottle-shaped trench |
KR20100096084A (ko) * | 2007-12-28 | 2010-09-01 | 스미또모 가가꾸 가부시키가이샤 | 반도체 기판, 반도체 기판의 제조 방법 및 전자 디바이스 |
US8575666B2 (en) * | 2011-09-30 | 2013-11-05 | Raytheon Company | Method and structure having monolithic heterogeneous integration of compound semiconductors with elemental semiconductor |
GB2495949B (en) * | 2011-10-26 | 2015-03-11 | Anvil Semiconductors Ltd | Silicon carbide epitaxy |
-
2013
- 2013-08-27 US US14/010,954 patent/US20150059640A1/en not_active Abandoned
-
2014
- 2014-06-23 EP EP14739639.4A patent/EP3039709A1/en not_active Withdrawn
- 2014-06-23 WO PCT/US2014/043594 patent/WO2015030913A1/en active Application Filing
- 2014-06-23 JP JP2016538913A patent/JP6271020B2/ja not_active Expired - Fee Related
- 2014-06-27 TW TW103122287A patent/TWI555136B/zh not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11581448B2 (en) | 2021-04-01 | 2023-02-14 | Raytheon Company | Photoconductive semiconductor switch laterally fabricated alongside GaN on Si field effect transistors |
Also Published As
Publication number | Publication date |
---|---|
EP3039709A1 (en) | 2016-07-06 |
WO2015030913A1 (en) | 2015-03-05 |
TW201515157A (zh) | 2015-04-16 |
TWI555136B (zh) | 2016-10-21 |
JP2016529731A (ja) | 2016-09-23 |
US20150059640A1 (en) | 2015-03-05 |
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