JP2015233097A - 半導体積層構造およびその製造方法 - Google Patents
半導体積層構造およびその製造方法 Download PDFInfo
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- JP2015233097A JP2015233097A JP2014119819A JP2014119819A JP2015233097A JP 2015233097 A JP2015233097 A JP 2015233097A JP 2014119819 A JP2014119819 A JP 2014119819A JP 2014119819 A JP2014119819 A JP 2014119819A JP 2015233097 A JP2015233097 A JP 2015233097A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 238000000034 method Methods 0.000 claims abstract description 19
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 128
- 230000007547 defect Effects 0.000 claims description 42
- 238000000137 annealing Methods 0.000 claims description 41
- 238000005401 electroluminescence Methods 0.000 claims description 24
- 229910001425 magnesium ion Inorganic materials 0.000 claims description 19
- 238000005468 ion implantation Methods 0.000 abstract description 18
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 229910002601 GaN Inorganic materials 0.000 description 102
- 239000011777 magnesium Substances 0.000 description 30
- 239000000758 substrate Substances 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 16
- 230000001681 protective effect Effects 0.000 description 15
- 238000000295 emission spectrum Methods 0.000 description 13
- 239000012535 impurity Substances 0.000 description 13
- 238000002513 implantation Methods 0.000 description 9
- 238000001228 spectrum Methods 0.000 description 9
- 238000005424 photoluminescence Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000006798 recombination Effects 0.000 description 6
- 238000005215 recombination Methods 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- 230000004913 activation Effects 0.000 description 4
- 238000000089 atomic force micrograph Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 238000004020 luminiscence type Methods 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000005136 cathodoluminescence Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000001771 vacuum deposition Methods 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- UIZLQMLDSWKZGC-UHFFFAOYSA-N cadmium helium Chemical compound [He].[Cd] UIZLQMLDSWKZGC-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000004299 exfoliation Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 1
- 238000000927 vapour-phase epitaxy Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
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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
-
- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/2654—Bombardment with radiation with high-energy radiation producing ion implantation in AIIIBV compounds
- H01L21/26546—Bombardment with radiation with high-energy radiation producing ion implantation in AIIIBV compounds of electrically active species
- H01L21/26553—Through-implantation
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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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/324—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
- H01L21/3245—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering of AIIIBV compounds
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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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/324—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
- H01L21/3247—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering for altering the shape, e.g. smoothing the surface
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/12—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/20—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only AIIIBV compounds
- H01L29/2003—Nitride compounds
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- H01L33/005—Processes
- H01L33/0062—Processes for devices with an active region comprising only III-V compounds
- H01L33/0075—Processes for devices with an active region comprising only III-V compounds comprising nitride compounds
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- H01L33/0095—Post-treatment of devices, e.g. annealing, recrystallisation or short-circuit elimination
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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
- H01L33/025—Physical imperfections, e.g. particular concentration or distribution of impurities
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- High Energy & Nuclear Physics (AREA)
- Ceramic Engineering (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
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Abstract
【解決手段】半導体積層構造は、n型GaN層と、n型GaN層上に形成され、Mgがイオン注入されたp型GaN層とを有し、n型GaN層とp型GaN層とが形成するpn接合に電圧を印加することにより、3.0eV以上のフォトンエネルギーにピークを有するエレクトロルミネセンス発光を示す。
【選択図】図6
Description
n型GaN層と、
前記n型GaN層上に形成され、Mgがイオン注入されたp型GaN層と
を有し、
前記n型GaN層と前記p型GaN層とが形成するpn接合に電圧を印加することにより、3.0eV以上のフォトンエネルギーにピークを有するエレクトロルミネセンス発光を示す半導体積層構造
が提供される。
2 エピタキシャル成長GaN層、n型GaN層
3 Mgイオン注入GaN層、p型GaN層
4 注入保護膜
5 アニール保護膜
6p p側電極
6n n側電極
Claims (10)
- n型GaN層と、
前記n型GaN層上に形成され、Mgがイオン注入されたp型GaN層と
を有し、
前記n型GaN層と前記p型GaN層とが形成するpn接合に電圧を印加することにより、3.0eV以上のフォトンエネルギーにピークを有するエレクトロルミネセンス発光を示す半導体積層構造。 - 前記n型GaN層は、測定される最大の欠陥密度が3×106/cm2以下である請求項1に記載の半導体積層構造。
- 前記n型GaN層は、面内における最小の欠陥密度に対する最大の欠陥密度の比が10倍以下である請求項1または2に記載の半導体積層構造。
- 前記n型GaN層は、平均欠陥密度が2×106/cm2以下である請求項1〜3のいずれか1項に記載の半導体積層構造。
- 測定される最大の欠陥密度が3×106/cm2以下であるGaN層と、
前記GaN層上に形成され、Mgがイオン注入されたp型GaN層と
を有する半導体積層構造。 - 前記n型GaN層は、面内における最小の欠陥密度に対する最大の欠陥密度の比が10倍以下である請求項5に記載の半導体積層構造。
- 前記n型GaN層は、平均欠陥密度が2×106/cm2以下である請求項5または6に記載の半導体積層構造。
- 測定される最大の欠陥密度が3×106/cm2以下であるGaN基板上に、GaN層をエピタキシャル成長させる工程と、
前記GaN層に、Mgイオンを注入する工程と、
前記Mgイオンを注入する工程の後、アニールを行う工程と
を有する半導体積層構造の製造方法。 - 前記GaN層は、面内における最小の欠陥密度に対する最大の欠陥密度の比が10倍以下である請求項8に記載の半導体積層構造の製造方法。
- 前記GaN層は、平均欠陥密度が2×106/cm2以下である請求項8または9に記載の半導体積層構造の製造方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014119819A JP6363403B2 (ja) | 2014-06-10 | 2014-06-10 | 半導体積層構造およびその製造方法 |
EP15806188.7A EP3157068B1 (en) | 2014-06-10 | 2015-06-05 | Semiconductor multilayer structure and method for producing same |
US15/317,838 US9899570B2 (en) | 2014-06-10 | 2015-06-05 | Semiconductor multilayer structure and method of manufacturing the same |
PCT/JP2015/066313 WO2015190406A1 (ja) | 2014-06-10 | 2015-06-05 | 半導体積層構造およびその製造方法 |
TW104118801A TW201603263A (zh) | 2014-06-10 | 2015-06-10 | 半導體積層構造及其製造方法 |
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JP2014119819A JP6363403B2 (ja) | 2014-06-10 | 2014-06-10 | 半導体積層構造およびその製造方法 |
Related Child Applications (1)
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JP2018123656A Division JP2018154553A (ja) | 2018-06-28 | 2018-06-28 | GaN基板 |
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JP2015233097A true JP2015233097A (ja) | 2015-12-24 |
JP6363403B2 JP6363403B2 (ja) | 2018-07-25 |
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Country | Link |
---|---|
US (1) | US9899570B2 (ja) |
EP (1) | EP3157068B1 (ja) |
JP (1) | JP6363403B2 (ja) |
TW (1) | TW201603263A (ja) |
WO (1) | WO2015190406A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018170335A (ja) * | 2017-03-29 | 2018-11-01 | 豊田合成株式会社 | 半導体装置の製造方法 |
JP2019062139A (ja) * | 2017-09-28 | 2019-04-18 | 豊田合成株式会社 | 半導体装置の製造方法 |
US10636663B2 (en) | 2017-03-29 | 2020-04-28 | Toyoda Gosei Co., Ltd. | Method of manufacturing semiconductor device including implanting impurities into an implanted region of a semiconductor layer and annealing the implanted region |
US10868124B2 (en) | 2017-12-12 | 2020-12-15 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Group III nitride semiconductor substrate |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10388778B2 (en) * | 2016-11-18 | 2019-08-20 | Nexperia B.V. | Low resistance and leakage device |
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-
2014
- 2014-06-10 JP JP2014119819A patent/JP6363403B2/ja active Active
-
2015
- 2015-06-05 EP EP15806188.7A patent/EP3157068B1/en active Active
- 2015-06-05 US US15/317,838 patent/US9899570B2/en active Active
- 2015-06-05 WO PCT/JP2015/066313 patent/WO2015190406A1/ja active Application Filing
- 2015-06-10 TW TW104118801A patent/TW201603263A/zh unknown
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JP2019062139A (ja) * | 2017-09-28 | 2019-04-18 | 豊田合成株式会社 | 半導体装置の製造方法 |
US10868124B2 (en) | 2017-12-12 | 2020-12-15 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Group III nitride semiconductor substrate |
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US20170141270A1 (en) | 2017-05-18 |
US9899570B2 (en) | 2018-02-20 |
WO2015190406A1 (ja) | 2015-12-17 |
TW201603263A (zh) | 2016-01-16 |
EP3157068A1 (en) | 2017-04-19 |
EP3157068A4 (en) | 2017-11-22 |
EP3157068B1 (en) | 2022-08-03 |
JP6363403B2 (ja) | 2018-07-25 |
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