JPWO2008050479A1 - ZnO単結晶層及び半導体発光素子とその製造方法 - Google Patents
ZnO単結晶層及び半導体発光素子とその製造方法 Download PDFInfo
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- JPWO2008050479A1 JPWO2008050479A1 JP2008540885A JP2008540885A JPWO2008050479A1 JP WO2008050479 A1 JPWO2008050479 A1 JP WO2008050479A1 JP 2008540885 A JP2008540885 A JP 2008540885A JP 2008540885 A JP2008540885 A JP 2008540885A JP WO2008050479 A1 JPWO2008050479 A1 JP WO2008050479A1
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- 239000004065 semiconductor Substances 0.000 title claims description 45
- 239000013078 crystal Substances 0.000 title description 19
- 238000004519 manufacturing process Methods 0.000 title description 7
- 230000007704 transition Effects 0.000 claims abstract description 16
- 239000000758 substrate Substances 0.000 claims description 53
- 238000000103 photoluminescence spectrum Methods 0.000 claims description 14
- 230000004888 barrier function Effects 0.000 claims description 6
- 229910052594 sapphire Inorganic materials 0.000 claims description 6
- 239000010980 sapphire Substances 0.000 claims description 6
- 238000000295 emission spectrum Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 168
- 125000004429 atom Chemical group 0.000 description 34
- 239000011701 zinc Substances 0.000 description 30
- 239000000203 mixture Substances 0.000 description 19
- 238000005253 cladding Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 13
- 230000001678 irradiating effect Effects 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 10
- 239000012535 impurity Substances 0.000 description 8
- 238000001228 spectrum Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 230000007423 decrease Effects 0.000 description 7
- 238000000137 annealing Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 6
- 229910003363 ZnMgO Inorganic materials 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000005424 photoluminescence Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000000969 carrier Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 125000005842 heteroatom Chemical group 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000005191 phase separation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000002128 reflection high energy electron diffraction Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000001451 molecular beam epitaxy Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002109 crystal growth method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000011159 matrix material Substances 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
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L33/28—Materials of the light emitting region containing only elements of Group II and Group VI of the Periodic Table
- H01L33/285—Materials of the light emitting region containing only elements of Group II and Group VI of the Periodic Table characterised by the doping materials
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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
- H01L21/02367—Substrates
- H01L21/02433—Crystal orientation
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- 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
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02551—Group 12/16 materials
- H01L21/02554—Oxides
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
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- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
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- H01L21/02565—Oxide semiconducting materials not being Group 12/16 materials, e.g. ternary compounds
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- H01L21/02365—Forming inorganic semiconducting materials on a substrate
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- 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
- H01L21/02518—Deposited layers
- H01L21/0257—Doping during depositing
- H01L21/02573—Conductivity type
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- 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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- Y10S438/914—Doping
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Abstract
Description
Claims (10)
- Sが添加され、ZnOのバンドギャップに比べて0.6eV以上狭い遷移エネルギを持つZnO層。
- ホトルミネセンススペクトルを測定したとき、発光ピーク波長が490nm以上510nm以下の範囲で、発光スペクトルの半値幅が50nm以上である請求項1に記載のZnO層。
- Sが0.1atom%以下の濃度で添加されている請求項1に記載のZnO層。
- 第1導電型の第1の半導体層と、
前記第1導電型とは反対の第2導電型の第2の半導体層と、
Sが添加され、ZnOのバンドギャップに比べて0.6eV以上狭い遷移エネルギを持つZnO層を含み、前記第1の半導体層と前記第2の半導体層との間に挟まれた発光層と、
前記第1の半導体層に電気的に接続される第1の電極と、
前記第2の半導体層に電気的に接続される第2の電極と
を含む半導体発光素子。 - 前記ZnO層の発光ピーク波長が490nm以上510nm以下の範囲で、発光スペクトルの半値幅が50nm以上である請求項4に記載の半導体発光素子。
- 前記ZnO層に、0.1atom%以下の濃度でSが添加されている請求項4に記載の半導体発光素子。
- 前記第1の半導体層は、前記第1導電型を有する第1のZn1−xMgxO(0≦x≦1)層を含み、前記第2の半導体層は、前記第2導電型を有する第2のZn1−xMgxO(0≦x≦1)層を含み、前記発光層は、前記ZnO層からなり、該第1及び第2のZn1−xMgxO層により該ZnO層が挟まれたダブルへテロ構造を有する請求項4に記載の半導体発光素子。
- 前記発光層は、前記ZnO層からなる井戸層と、Zn1−xMgxO(0≦x≦1)層からなる障壁層とを、少なくとも1層以上ずつ交互に積層した量子井戸構造を有する請求項4に記載の半導体発光素子。
- さらに、ZnO、SiC、GaN、サファイアのいずれかの基板、または、テンプレートからなる支持基板を有し、該支持基板の上方に、前記第1及び第2の半導体層に前記発光層が挟まれた構造体が形成されている請求項4に記載の半導体発光素子。
- 前記支持基板が、+c面を持つZnO基板からなる請求項9に記載の半導体発光素子。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2008540885A JP5187634B2 (ja) | 2006-10-25 | 2007-10-22 | ZnO単結晶層及び半導体発光素子とその製造方法 |
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JP2006289469 | 2006-10-25 | ||
JP2006289469 | 2006-10-25 | ||
JP2008540885A JP5187634B2 (ja) | 2006-10-25 | 2007-10-22 | ZnO単結晶層及び半導体発光素子とその製造方法 |
PCT/JP2007/001146 WO2008050479A1 (fr) | 2006-10-25 | 2007-10-22 | Couche de zno et dispositif électroluminescent à semi-conducteur |
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JPWO2008050479A1 true JPWO2008050479A1 (ja) | 2010-02-25 |
JP5187634B2 JP5187634B2 (ja) | 2013-04-24 |
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US (1) | US7728347B2 (ja) |
JP (1) | JP5187634B2 (ja) |
DE (1) | DE112007002539T5 (ja) |
WO (1) | WO2008050479A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5096844B2 (ja) * | 2007-08-30 | 2012-12-12 | スタンレー電気株式会社 | ZnO系化合物半導体層の製造方法 |
JP2011521477A (ja) * | 2008-05-21 | 2011-07-21 | ルーメンズ, インコーポレイテッド | 酸化亜鉛系エピタキシャルの層およびデバイス |
JP5227667B2 (ja) * | 2008-06-06 | 2013-07-03 | ローム株式会社 | GaN系半導体素子 |
KR101213133B1 (ko) * | 2010-02-19 | 2012-12-18 | 전남대학교산학협력단 | ZnO에 격자 정합된 자외선용 단결정 ZnMgAlO 박막 및 그 제조방법 |
US8796693B2 (en) * | 2012-12-26 | 2014-08-05 | Seoul Semiconductor Co., Ltd. | Successive ionic layer adsorption and reaction process for depositing epitaxial ZnO on III-nitride-based light emitting diode and light emitting diode including epitaxial ZnO |
Family Cites Families (10)
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US4181627A (en) * | 1972-09-21 | 1980-01-01 | Minnesota Mining And Manufacturing Company | High fluorescent efficiency zinc oxide crystals and method of making same |
DE2839715A1 (de) * | 1977-09-17 | 1979-03-29 | Murata Manufacturing Co | Piezoelektrische kristalline filme aus zinkoxyd und verfahren zu ihrer herstellung |
JP2003104792A (ja) * | 2001-09-28 | 2003-04-09 | Sharp Corp | 半導体薄膜結晶のドーピング濃度制御方法および半導体素子 |
JP3679097B2 (ja) * | 2002-05-31 | 2005-08-03 | 株式会社光波 | 発光素子 |
JP4185797B2 (ja) * | 2003-03-25 | 2008-11-26 | シャープ株式会社 | 酸化物半導体発光素子およびその製造方法 |
KR100901427B1 (ko) * | 2004-02-06 | 2009-06-05 | 호야 가부시키가이샤 | 반도체 재료 및 이를 이용한 반도체 소자 |
JP2005268196A (ja) * | 2004-03-21 | 2005-09-29 | Japan Fine Ceramics Center | 酸化亜鉛多結晶膜及びこれを用いた機能素子 |
TWI252599B (en) * | 2004-04-27 | 2006-04-01 | Showa Denko Kk | N-type group III nitride semiconductor layered structure |
JP5276769B2 (ja) * | 2004-10-01 | 2013-08-28 | 東京電波株式会社 | 六方晶系ウルツ鉱型単結晶、その製造方法、および六方晶系ウルツ鉱型単結晶基板 |
US7973379B2 (en) * | 2005-12-26 | 2011-07-05 | Citizen Holdings Co., Ltd. | Photovoltaic ultraviolet sensor |
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2007
- 2007-10-22 WO PCT/JP2007/001146 patent/WO2008050479A1/ja active Application Filing
- 2007-10-22 JP JP2008540885A patent/JP5187634B2/ja not_active Expired - Fee Related
- 2007-10-22 DE DE112007002539T patent/DE112007002539T5/de not_active Ceased
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Also Published As
Publication number | Publication date |
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US20090236598A1 (en) | 2009-09-24 |
US7728347B2 (en) | 2010-06-01 |
JP5187634B2 (ja) | 2013-04-24 |
DE112007002539T5 (de) | 2009-09-10 |
WO2008050479A1 (fr) | 2008-05-02 |
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LAPS | Cancellation because of no payment of annual fees |