JP7420254B2 - 発光素子の製造方法 - Google Patents
発光素子の製造方法 Download PDFInfo
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- JP7420254B2 JP7420254B2 JP2022535990A JP2022535990A JP7420254B2 JP 7420254 B2 JP7420254 B2 JP 7420254B2 JP 2022535990 A JP2022535990 A JP 2022535990A JP 2022535990 A JP2022535990 A JP 2022535990A JP 7420254 B2 JP7420254 B2 JP 7420254B2
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- light emitting
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- 238000004519 manufacturing process Methods 0.000 title claims description 27
- 239000004065 semiconductor Substances 0.000 claims description 125
- 150000004767 nitrides Chemical class 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 34
- 239000000758 substrate Substances 0.000 claims description 21
- 229910003460 diamond Inorganic materials 0.000 claims description 18
- 239000010432 diamond Substances 0.000 claims description 18
- WGPCGCOKHWGKJJ-UHFFFAOYSA-N sulfanylidenezinc Chemical group [Zn]=S WGPCGCOKHWGKJJ-UHFFFAOYSA-N 0.000 claims description 17
- 230000007704 transition Effects 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- 229910052796 boron Inorganic materials 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 239000012298 atmosphere Substances 0.000 claims description 4
- 229910052733 gallium Inorganic materials 0.000 claims description 4
- 229910052738 indium Inorganic materials 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 229910052790 beryllium Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 229910052711 selenium Inorganic materials 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 claims 1
- 239000013078 crystal Substances 0.000 description 12
- 229910052582 BN Inorganic materials 0.000 description 10
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 10
- 238000010894 electron beam technology Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000010884 ion-beam technique Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 2
- -1 zincblende structure nitride Chemical class 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005566 electron beam evaporation Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination 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
- 238000003860 storage Methods 0.000 description 1
- FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 description 1
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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
-
- 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
-
- 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
- H01L33/0075—Processes for devices with an active region comprising only III-V compounds comprising nitride compounds
-
- 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
- H01L33/16—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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Led Devices (AREA)
Description
Claims (8)
- i型とされた層状の窒化物半導体からなる発光層と、
前記発光層の一方の面に配置され、p型とされた層状の窒化物半導体またはp型とされたダイヤモンドからなる第1半導体層と、
前記発光層の他方の面に配置され、n型とされた層状の窒化物半導体からなる第2半導体層と
を備える発光素子の製造方法であって、
前記発光層を形成する工程と、前記第1半導体層を形成する工程と、前記第2半導体層を形成する工程とを備え、
層状の窒化物半導体は、閃亜鉛鉱構造から層状構造へ構造相転移することで形成する
ことを特徴とする発光素子の製造方法。 - 請求項1記載の発光素子の製造方法において、
圧力が1013250Pa以下の雰囲気で温度を1200℃以上に加熱する、もしくは、圧力が101325Pa以下の雰囲気で温度を100℃以上に加熱して、窒素とアルゴンと水素のうち少なくとも1種類のガスのプラズマ照射を照射することのいずれかにより、閃亜鉛鉱構造から層状構造へ構造相転移することで、層状の窒化物半導体を形成する
ことを特徴とする発光素子の製造方法。 - 請求項1または2記載の発光素子の製造方法において、
前記発光層、前記第1半導体層、および第2半導体層の各々を構成する窒化物半導体は、III族元素が、BまたはBに加えてAl、Ga、Inの少なくとも1つから構成されていることを特徴とする発光素子の製造方法。 - 請求項1~3のいずれか1項記載の発光素子の製造方法において、
窒化物半導体からなる前記第1半導体層は、Mg、Be、C、Zn、Caのいずれか1つがアクセプタとされていることを特徴とする発光素子の製造方法。 - 請求項1~4のいずれか1項に記載の発光素子の製造方法において、
前記第2半導体層は、Si、O、S、Seのいずれか1つがドナーとされていることを特徴とする発光素子の製造方法。 - 請求項1~5のいずれか1項に記載の発光素子の製造方法において、
前記発光層、前記第1半導体層、および第2半導体層の各々を構成する層状の窒化物半導体は、2Hまたは3Rの積層構造とされていることを特徴とする発光素子の製造方法。 - 請求項1~6のいずれか1項に記載の発光素子の製造方法において、
前記発光層のバンドギャップエネルギーは、前記第1半導体層および前記第2半導体層のバンドギャップエネルギー以下とされていることを特徴とする発光素子の製造方法。 - 請求項1~7のいずれか1項に記載の発光素子の製造方法において、
前記第1半導体層、前記発光層、前記第2半導体層は、ダイヤモンド、c-BN、3C-SiC、4H-SiC、6H-SiC、Siのいずれかから構成された基板の上に形成されていることを特徴とする発光素子の製造方法。
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PCT/JP2020/027223 WO2022013910A1 (ja) | 2020-07-13 | 2020-07-13 | 発光素子およびその製造方法 |
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JP7420254B2 true JP7420254B2 (ja) | 2024-01-23 |
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Citations (11)
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JP2007096130A (ja) | 2005-09-29 | 2007-04-12 | Toshiba Corp | 半導体発光素子およびその製造方法 |
JP2008019164A (ja) | 2007-08-08 | 2008-01-31 | National Institute For Materials Science | 超微粒子cBN焼結体 |
JP2009302576A (ja) | 2009-09-24 | 2009-12-24 | Nippon Telegr & Teleph Corp <Ntt> | 窒化物半導体素子およびその製造方法 |
JP2009298628A (ja) | 2008-06-11 | 2009-12-24 | Nippon Telegr & Teleph Corp <Ntt> | 窒化ホウ素の単結晶薄膜構造およびその製造方法 |
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Family Cites Families (3)
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JPH03112177A (ja) * | 1989-09-27 | 1991-05-13 | Sumitomo Electric Ind Ltd | 半導体ヘテロ接合構造 |
JP3443185B2 (ja) * | 1994-10-19 | 2003-09-02 | 三洋電機株式会社 | 発光素子 |
JPH10145006A (ja) * | 1996-09-10 | 1998-05-29 | Toshiba Corp | 化合物半導体素子 |
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2020
- 2020-07-13 US US18/005,136 patent/US20230261138A1/en active Pending
- 2020-07-13 JP JP2022535990A patent/JP7420254B2/ja active Active
- 2020-07-13 WO PCT/JP2020/027223 patent/WO2022013910A1/ja active Application Filing
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JP2007096130A (ja) | 2005-09-29 | 2007-04-12 | Toshiba Corp | 半導体発光素子およびその製造方法 |
JP2008019164A (ja) | 2007-08-08 | 2008-01-31 | National Institute For Materials Science | 超微粒子cBN焼結体 |
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US20230261138A1 (en) | 2023-08-17 |
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