JP2011171431A - 半導体発光装置及びその製造方法 - Google Patents
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 82
- 238000004519 manufacturing process Methods 0.000 title claims description 26
- 238000000034 method Methods 0.000 title claims description 21
- 239000001257 hydrogen Substances 0.000 claims abstract description 78
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 78
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 238000005204 segregation Methods 0.000 claims abstract description 25
- 150000004767 nitrides Chemical class 0.000 claims abstract description 24
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 229910052738 indium Inorganic materials 0.000 claims abstract description 18
- 230000004888 barrier function Effects 0.000 claims abstract description 16
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000005253 cladding Methods 0.000 claims description 49
- 239000012159 carrier gas Substances 0.000 claims description 15
- 238000005424 photoluminescence Methods 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 11
- 229910002601 GaN Inorganic materials 0.000 description 7
- 238000005530 etching Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 235000005811 Viola adunca Nutrition 0.000 description 4
- 240000009038 Viola odorata Species 0.000 description 4
- 235000013487 Viola odorata Nutrition 0.000 description 4
- 235000002254 Viola papilionacea Nutrition 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 238000003776 cleavage reaction Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000010894 electron beam technology Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 230000007017 scission Effects 0.000 description 3
- ORFSSYGWXNGVFB-UHFFFAOYSA-N sodium 4-amino-6-[[4-[4-[(8-amino-1-hydroxy-5,7-disulfonaphthalen-2-yl)diazenyl]-3-methoxyphenyl]-2-methoxyphenyl]diazenyl]-5-hydroxynaphthalene-1,3-disulfonic acid Chemical compound COC1=C(C=CC(=C1)C2=CC(=C(C=C2)N=NC3=C(C4=C(C=C3)C(=CC(=C4N)S(=O)(=O)O)S(=O)(=O)O)O)OC)N=NC5=C(C6=C(C=C5)C(=CC(=C6N)S(=O)(=O)O)S(=O)(=O)O)O.[Na+] ORFSSYGWXNGVFB-UHFFFAOYSA-N 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000000089 atomic force micrograph Methods 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910021478 group 5 element Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- -1 nitride compound Chemical class 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01S5/34—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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
-
- H—ELECTRICITY
- 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
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02538—Group 13/15 materials
- H01L21/0254—Nitrides
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- 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
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/0262—Reduction or decomposition of gaseous compounds, e.g. CVD
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01L33/005—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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01L33/30—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
- H01L33/325—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table containing nitrogen characterised by the doping materials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01S2304/00—Special growth methods for semiconductor lasers
- H01S2304/04—MOCVD or MOVPE
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- H01S5/00—Semiconductor lasers
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/22—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure
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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
- H01S5/3413—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 partially disordered wells or barriers
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Abstract
【解決手段】半導体発光装置は、基板101の上に形成されたn型クラッド層102と、n型クラッド層102の上に形成され、井戸層及び障壁層を有する活性層105と、活性層105の上に形成されたp型クラッド層109とを備えている。井戸層は、インジウムを含む窒化物半導体からなり、n型クラッド層102よりも水素濃度が高く且つp型クラッド層109よりも水素濃度が低い。
【選択図】図2
Description
102 n型クラッド層
103 第1のn型ガイド層
104 第2のn型ガイド層
105 活性層
106 第1のp型ガイド層
107 第2のp型ガイド層
108 電子障壁層
109 p型クラッド層
110 コンタクト層
111 絶縁膜
112 p電極
113 パッド電極
114 n電極
201 基板
202 nコンタクト層
203 InGaN量子井戸活性層
204 pコンタクト層
205 p電極
206 n電極
Claims (16)
- 基板の上に形成されたn型クラッド層と、
前記n型クラッド層の上に形成され、井戸層及び障壁層を有する活性層と、
前記活性層の上に形成されたp型クラッド層とを備え、
前記井戸層は、インジウムを含む窒化物半導体からなり、前記n型クラッド層よりも水素濃度が高く且つ前記p型クラッド層よりも水素濃度が低いことを特徴とする半導体発光装置。 - 前記井戸層の水素濃度は、前記n型クラッド層の水素濃度の2倍よりも高く且つ10倍未満であると共に、前記p型クラッド層の水素濃度の0.07倍よりも高く且つ0.35倍未満であることを特徴とする請求項1に記載の半導体発光装置。
- 前記井戸層の水素濃度は、7×1017cm−3よりも高く且つ3×1018cm−3未満であることを特徴とする請求項1に記載の半導体発光装置。
- 前記井戸層と前記障壁層とは、水素濃度が等しいことを特徴とする請求項1に記載の半導体発光装置。
- 前記井戸層は、一般式がInxGa1−xN(但し、0<x<1)で表される化合物からなることを特徴とする請求項1に記載の半導体発光装置。
- 前記井戸層は、インジウムの組成比が0.1以上であることを特徴とする請求項5に記載の半導体発光装置。
- 前記活性層は、インジウムの偏析密度が1×106cm−2以下であることを特徴とする請求項1に記載の半導体発光装置。
- 前記活性層は、フォトルミネッセンス光の半値幅が120meV以下であることを特徴とする請求項1に記載の半導体発光装置。
- 基板の上にn型クラッド層を成長させる工程(a)と、
前記工程(a)よりも後に、水素を含むキャリアガスを用いて活性層を成長させる工程(b)と、
前記工程(b)よりも後に、p型クラッド層を成長させる工程(c)とを備え、
前記活性層は、井戸層及び障壁層を有し、
前記井戸層は、インジウムを含む窒化物半導体からなり、前記n型クラッド層よりも水素濃度が高く且つ前記p型クラッド層よりも水素濃度が低いことを特徴とする半導体発光装置の製造方法。 - 前記工程(b)では、前記井戸層の水素濃度が前記n型クラッド層の2倍よりも高く且つ10倍未満となると共に、前記p型クラッド層の0.07倍よりも高く且つ0.35倍未満となるようにすることを特徴とする請求項9に記載の半導体発光装置の製造方法。
- 前記工程(b)では、前記井戸層の水素濃度が7×1017cm−3よりも高く且つ3×1018cm−3未満となるようにすることを特徴とする請求項9に記載の半導体発光装置の製造方法。
- 前記工程(b)では、前記井戸層の水素濃度と前記障壁層の水素濃度とが等しくなるようにすることを特徴とする請求項9に記載の半導体発光装置の製造方法。
- 前記井戸層は、一般式がInxGa1−xN(但し、0<x<1)で表される化合物からなることを特徴とする請求項9に記載の半導体発光装置の製造方法。
- 前記井戸層は、インジウムの組成比が0.1以上であることを特徴とする請求項13に記載の半導体発光装置の製造方法。
- 前記活性層は、インジウムの偏析密度が1×106cm−2以下であることを特徴とする請求項9に記載の半導体発光装置の製造方法。
- 前記活性層は、フォトルミネッセンス光の半値幅が120meV以下であることを特徴とする請求項9に記載の半導体発光装置の製造方法。
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JP2010032400A JP2011171431A (ja) | 2010-02-17 | 2010-02-17 | 半導体発光装置及びその製造方法 |
PCT/JP2010/005507 WO2011101929A1 (ja) | 2010-02-17 | 2010-09-08 | 半導体発光装置及びその製造方法 |
CN2010800032869A CN102301548A (zh) | 2010-02-17 | 2010-09-08 | 半导体发光装置及其制造方法 |
US13/099,770 US8189637B2 (en) | 2010-02-17 | 2011-05-03 | Semiconductor light-emitting device and method for manufacturing the same |
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JP2014038913A (ja) * | 2012-08-13 | 2014-02-27 | Toshiba Corp | 窒化物半導体層の製造方法及び半導体発光素子の製造方法 |
US10263141B2 (en) | 2015-11-12 | 2019-04-16 | Sony Corporation | Semiconductor light-emitting device and method of manufacturing semiconductor light-emitting device |
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DE102012104671B4 (de) | 2012-05-30 | 2020-03-05 | Osram Opto Semiconductors Gmbh | Verfahren zur Herstellung einer aktiven Zone für einen optoelektronischen Halbleiterchip |
CN111785817A (zh) * | 2020-08-25 | 2020-10-16 | 北京蓝海创芯智能科技有限公司 | 一种InGaN/(In)GaN量子阱结构及提高量子阱发光均匀性的方法 |
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JP2003289156A (ja) * | 2002-03-28 | 2003-10-10 | Stanley Electric Co Ltd | 窒化ガリウム系半導体結晶の成長方法及び化合物半導体発光素子 |
JP2008277714A (ja) * | 2007-04-04 | 2008-11-13 | Mitsubishi Chemicals Corp | GaN系半導体発光ダイオードの製造方法 |
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