JP7338166B2 - 半導体装置 - Google Patents
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- 239000004065 semiconductor Substances 0.000 title claims description 253
- 239000000203 mixture Substances 0.000 claims description 40
- 150000004767 nitrides Chemical class 0.000 claims description 22
- 239000000758 substrate Substances 0.000 claims description 21
- 239000012535 impurity Substances 0.000 claims description 20
- 230000007423 decrease Effects 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 230000000052 comparative effect Effects 0.000 description 29
- 230000010287 polarization Effects 0.000 description 21
- 238000005259 measurement Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 18
- 229910002704 AlGaN Inorganic materials 0.000 description 14
- 239000007789 gas Substances 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 12
- 239000013078 crystal Substances 0.000 description 11
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 9
- 238000000295 emission spectrum Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 230000004913 activation Effects 0.000 description 6
- 238000013507 mapping Methods 0.000 description 6
- 230000005355 Hall effect Effects 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 229910052733 gallium Inorganic materials 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 4
- 238000000731 high angular annular dark-field scanning transmission electron microscopy Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005036 potential barrier Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000921 elemental analysis Methods 0.000 description 2
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 2
- 238000001451 molecular beam epitaxy Methods 0.000 description 2
- RGGPNXQUMRMPRA-UHFFFAOYSA-N triethylgallium Chemical compound CC[Ga](CC)CC RGGPNXQUMRMPRA-UHFFFAOYSA-N 0.000 description 2
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 2
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 2
- 229910017083 AlN Inorganic materials 0.000 description 1
- 229910002601 GaN Inorganic materials 0.000 description 1
- 229910026161 MgAl2O4 Inorganic materials 0.000 description 1
- 229910003200 NdGaO3 Inorganic materials 0.000 description 1
- -1 ScAlMgO4 Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 150000002429 hydrazines Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- QBJCZLXULXFYCK-UHFFFAOYSA-N magnesium;cyclopenta-1,3-diene Chemical compound [Mg+2].C1C=CC=[C-]1.C1C=CC=[C-]1 QBJCZLXULXFYCK-UHFFFAOYSA-N 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000000927 vapour-phase epitaxy Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
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- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/16—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular crystal structure or orientation, e.g. polycrystalline, amorphous or porous
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- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table
- H01L33/32—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table containing nitrogen
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- H01L33/0004—Devices characterised by their operation
- H01L33/002—Devices characterised by their operation having heterojunctions or graded gap
- H01L33/0025—Devices characterised by their operation having heterojunctions or graded gap comprising only AIIIBV compounds
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- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/005—Processes
- H01L33/0062—Processes for devices with an active region comprising only III-V compounds
- H01L33/0066—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound
- H01L33/007—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound comprising nitride compounds
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- H01L33/04—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction
- H01L33/06—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction within the light emitting region, e.g. quantum confinement structure or tunnel barrier
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- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/305—Structure or shape of the active region; Materials used for the active region characterised by the doping materials used in the laser structure
- 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
- H01S5/3063—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 using Mg
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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
- H01S5/3202—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
- H01S5/320225—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 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
- H01S5/3202—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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- Condensed Matter Physics & Semiconductors (AREA)
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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 |
PCT/JP2020/005085 WO2020175125A1 (ja) | 2019-02-25 | 2020-02-10 | 半導体装置 |
US17/422,913 US20220059723A1 (en) | 2019-02-25 | 2020-02-10 | Semiconductor Device |
JP2023090625A JP7491437B2 (ja) | 2019-02-25 | 2023-06-01 | 半導体装置 |
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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 (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2276335C (en) * | 1997-01-09 | 2006-04-11 | Nichia Chemical Industries, Ltd. | Nitride semiconductor device |
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
-
2020
- 2020-02-10 WO PCT/JP2020/005085 patent/WO2020175125A1/ja active Application Filing
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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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