JP7338166B2 - 半導体装置 - Google Patents
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- H01S5/3054—Structure or shape of the active region; Materials used for the active region characterised by the doping materials used in the laser structure p-doping
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- H01S5/3202—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures grown on specifically orientated substrates, or using orientation dependent growth
- H01S5/320275—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures grown on specifically orientated substrates, or using orientation dependent growth semi-polar orientation
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- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/32—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures
- H01S5/3211—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures characterised by special cladding layers, e.g. details on band-discontinuities
- H01S5/3215—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures characterised by special cladding layers, e.g. details on band-discontinuities graded composition cladding layers
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- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
- H01S5/3425—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers comprising couples wells or superlattices
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- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
- H01S5/343—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
- H01S5/34333—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser with a well layer based on Ga(In)N or Ga(In)P, e.g. blue laser
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/81—Bodies
- H10H20/822—Materials of the light-emitting regions
- H10H20/824—Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP
- H10H20/825—Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP containing nitrogen, e.g. GaN
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Description
はじめに、実施例1について説明する。実施例1では、半絶縁性4H-SiCからなり、主表面の面方位を(0001)とした基板101の上に、まず、MOVPE法によりAlNを成長させてバッファ層を形成し、このバッファ層の上に複数の単位半導体層121を積層してp型半導体層102を形成した。単位半導体層121は、MgドープAlxGa1-xNから構成し、厚さ20nmとした。複数の単位半導体層121の各々は、Alの組成xを結晶成長方向に対して0.9から0.7に減少させた。また、10層の単位半導体層121からp型半導体層102を構成した。
次に、実施例2について説明する。実施例2では、前述した実施例1と同様に、半絶縁性4H-SiCからなり、主表面の面方位を(0001)とした基板101の上に、まず、MOVPE法によりAlNを成長させてバッファ層を形成し、このバッファ層の上に複数の単位半導体層121を積層し、厚さ200nmのp型半導体層102を形成した。
・測定条件:室温(約25℃)、約0.25[T]、約10-4~10-9 [A]、AC磁場ホール測定。
・試料形状は、平面視約5mm×5mmの板状とした。
実施例3では、深紫外LEDを作製して評価を実施した。作製した深紫外LEDについて、図5を参照して説明する。この深紫外LEDは、基板201の上にバッファ層202、n型半導体層203、発光層204、電子ブロック層205、p型半導体層206、コンタクト層207を備える。また、発光層204、電子ブロック層205、p型半導体層206、コンタクト層207によるメサの周囲において、n型半導体層203の上に電極208が形成されている。また、コンタクト層207の上に、半透明電極層209、電極210が形成されている。
Claims (3)
- 基板の上に形成されたp型半導体層を備え、
前記p型半導体層は、複数の単位半導体層から構成され、
前記複数の単位半導体層の各々は、主表面を極性面とされたp型の窒化物半導体から構成され、
前記窒化物半導体は、窒素と2つ以上の元素から構成され、
前記複数の単位半導体層の各々は、積層方向に組成が連続的に変化し、
前記複数の単位半導体層の各々は、Alの組成xを0,7以上としたAlxGa1-xNから構成され、+c軸方向となる積層方向に対してAlの組成xが減少し、
前記複数の単位半導体層の各々は、厚さが10~100nmとされている
ことを特徴とする半導体装置。 - 請求項1記載の半導体装置において、
前記複数の単位半導体層の各々は、不純物が導入されてp型とされていることを特徴とする半導体装置。 - 請求項1または2記載の半導体装置において、
前記基板の上に、発光層およびn型の半導体層をさらに備えることを特徴とする半導体装置。
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JP2019031415A JP7338166B2 (ja) | 2019-02-25 | 2019-02-25 | 半導体装置 |
US17/422,913 US12218272B2 (en) | 2019-02-25 | 2020-02-10 | Semiconductor device |
PCT/JP2020/005085 WO2020175125A1 (ja) | 2019-02-25 | 2020-02-10 | 半導体装置 |
JP2023090625A JP7491437B2 (ja) | 2019-02-25 | 2023-06-01 | 半導体装置 |
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WO2025100352A1 (ja) * | 2023-11-10 | 2025-05-15 | 出光興産株式会社 | 紫外発光素子 |
Citations (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000223790A (ja) | 1999-01-29 | 2000-08-11 | Toshiba Corp | 窒化物系半導体レーザ装置 |
JP2002335052A (ja) | 2001-05-10 | 2002-11-22 | Nichia Chem Ind Ltd | 窒化物半導体素子 |
JP2003273473A (ja) | 2001-11-05 | 2003-09-26 | Nichia Chem Ind Ltd | 半導体素子 |
JP2006344689A (ja) | 2005-06-07 | 2006-12-21 | Rohm Co Ltd | 半導体素子 |
JP2008034848A (ja) | 2006-07-26 | 2008-02-14 | Lg Electronics Inc | 窒化物系発光素子 |
JP2008066730A (ja) | 2006-09-06 | 2008-03-21 | Palo Alto Research Center Inc | 変動周期変動組成超格子およびそれを含むデバイス |
JP2010232293A (ja) | 2009-03-26 | 2010-10-14 | Sanken Electric Co Ltd | 半導体装置 |
US20110084249A1 (en) | 2008-04-15 | 2011-04-14 | Wooree Lst Co., Ltd. | Light-emitting device using clad layer consisting of asymmetrical units |
US20120033444A1 (en) | 2010-08-04 | 2012-02-09 | Yong Tae Moon | Light emitting device, light emitting device package, and display device therewith |
JP2012243871A (ja) | 2011-05-17 | 2012-12-10 | Advanced Power Device Research Association | 半導体素子及びその製造方法 |
JP2014116580A (ja) | 2012-09-14 | 2014-06-26 | Palo Alto Research Center Inc | 短波長発光素子のためのp側層 |
US20140191192A1 (en) | 2011-07-29 | 2014-07-10 | Samsung Electronics Co., Ltd. | Semiconductor light-emitting device |
JP2015026770A (ja) | 2013-07-29 | 2015-02-05 | 国立大学法人 名古屋工業大学 | 半導体積層構造およびこれを用いた半導体素子 |
JP2015035536A (ja) | 2013-08-09 | 2015-02-19 | Dowaエレクトロニクス株式会社 | Iii族窒化物半導体エピタキシャル基板およびiii族窒化物半導体発光素子ならびにこれらの製造方法 |
JP2015035535A (ja) | 2013-08-09 | 2015-02-19 | Dowaエレクトロニクス株式会社 | Iii族窒化物半導体エピタキシャル基板およびその製造方法 |
JP2017517148A (ja) | 2014-05-27 | 2017-06-22 | ザ・シランナ・グループ・プロプライエタリー・リミテッドThe Silanna Group Pty Limited | 半導体構造と超格子とを用いた高度電子デバイス |
JP2017517886A (ja) | 2014-05-27 | 2017-06-29 | ザ・シランナ・グループ・プロプライエタリー・リミテッドThe Silanna Group Pty Limited | 光電子デバイス |
US20170200865A1 (en) | 2014-07-02 | 2017-07-13 | Trustees Of Boston University | Ultraviolet light emitting diodes |
US20180248071A1 (en) | 2013-09-03 | 2018-08-30 | Sensor Electronic Technology, Inc. | Optoelectronic Device with Modulation Doping |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100530719C (zh) * | 1997-01-09 | 2009-08-19 | 日亚化学工业株式会社 | 氮化物半导体元器件 |
JP3631157B2 (ja) | 2001-03-21 | 2005-03-23 | 日本電信電話株式会社 | 紫外発光ダイオード |
US8415682B2 (en) * | 2007-12-28 | 2013-04-09 | Rohm Co., Ltd. | Light emitting semiconductor device having an improved outward luminosity efficiency and fabrication method for the light emitting semiconductor device |
-
2019
- 2019-02-25 JP JP2019031415A patent/JP7338166B2/ja active Active
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2020
- 2020-02-10 WO PCT/JP2020/005085 patent/WO2020175125A1/ja active Application Filing
- 2020-02-10 US US17/422,913 patent/US12218272B2/en active Active
-
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- 2023-06-01 JP JP2023090625A patent/JP7491437B2/ja active Active
Patent Citations (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000223790A (ja) | 1999-01-29 | 2000-08-11 | Toshiba Corp | 窒化物系半導体レーザ装置 |
JP2002335052A (ja) | 2001-05-10 | 2002-11-22 | Nichia Chem Ind Ltd | 窒化物半導体素子 |
JP2003273473A (ja) | 2001-11-05 | 2003-09-26 | Nichia Chem Ind Ltd | 半導体素子 |
JP2006344689A (ja) | 2005-06-07 | 2006-12-21 | Rohm Co Ltd | 半導体素子 |
JP2008034848A (ja) | 2006-07-26 | 2008-02-14 | Lg Electronics Inc | 窒化物系発光素子 |
JP2008066730A (ja) | 2006-09-06 | 2008-03-21 | Palo Alto Research Center Inc | 変動周期変動組成超格子およびそれを含むデバイス |
US20110084249A1 (en) | 2008-04-15 | 2011-04-14 | Wooree Lst Co., Ltd. | Light-emitting device using clad layer consisting of asymmetrical units |
JP2010232293A (ja) | 2009-03-26 | 2010-10-14 | Sanken Electric Co Ltd | 半導体装置 |
US20120033444A1 (en) | 2010-08-04 | 2012-02-09 | Yong Tae Moon | Light emitting device, light emitting device package, and display device therewith |
JP2012243871A (ja) | 2011-05-17 | 2012-12-10 | Advanced Power Device Research Association | 半導体素子及びその製造方法 |
US20140191192A1 (en) | 2011-07-29 | 2014-07-10 | Samsung Electronics Co., Ltd. | Semiconductor light-emitting device |
JP2014116580A (ja) | 2012-09-14 | 2014-06-26 | Palo Alto Research Center Inc | 短波長発光素子のためのp側層 |
JP2015026770A (ja) | 2013-07-29 | 2015-02-05 | 国立大学法人 名古屋工業大学 | 半導体積層構造およびこれを用いた半導体素子 |
JP2015035536A (ja) | 2013-08-09 | 2015-02-19 | Dowaエレクトロニクス株式会社 | Iii族窒化物半導体エピタキシャル基板およびiii族窒化物半導体発光素子ならびにこれらの製造方法 |
JP2015035535A (ja) | 2013-08-09 | 2015-02-19 | Dowaエレクトロニクス株式会社 | Iii族窒化物半導体エピタキシャル基板およびその製造方法 |
US20180248071A1 (en) | 2013-09-03 | 2018-08-30 | Sensor Electronic Technology, Inc. | Optoelectronic Device with Modulation Doping |
JP2017517148A (ja) | 2014-05-27 | 2017-06-22 | ザ・シランナ・グループ・プロプライエタリー・リミテッドThe Silanna Group Pty Limited | 半導体構造と超格子とを用いた高度電子デバイス |
JP2017517886A (ja) | 2014-05-27 | 2017-06-29 | ザ・シランナ・グループ・プロプライエタリー・リミテッドThe Silanna Group Pty Limited | 光電子デバイス |
US20170200865A1 (en) | 2014-07-02 | 2017-07-13 | Trustees Of Boston University | Ultraviolet light emitting diodes |
Non-Patent Citations (2)
Title |
---|
Kazuaki Ebata, et al.,"High hole concentration in Mg-doped AlN/AlGaN superlattices with high Al content",Japanese Journal of Applied Physics,2018年03月16日,Vol.57,No.4S,04FH09 |
江端一晃、外3名,"組成傾斜AlGaN超格子を用いたドーピング技術と紫外LEDへの応用",第66回応用物理学会春季学術講演会 講演予稿集,2019年02月25日,9p-W541-8 |
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