JP2005064153A - 半導体層 - Google Patents
半導体層 Download PDFInfo
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- JP2005064153A JP2005064153A JP2003290862A JP2003290862A JP2005064153A JP 2005064153 A JP2005064153 A JP 2005064153A JP 2003290862 A JP2003290862 A JP 2003290862A JP 2003290862 A JP2003290862 A JP 2003290862A JP 2005064153 A JP2005064153 A JP 2005064153A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 49
- 239000000758 substrate Substances 0.000 claims abstract description 28
- 239000013078 crystal Substances 0.000 claims abstract description 18
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 claims description 43
- 150000001875 compounds Chemical class 0.000 claims description 9
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 6
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 6
- 229910052738 indium Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 22
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 abstract description 9
- 238000005121 nitriding Methods 0.000 abstract description 6
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 5
- 229910002704 AlGaN Inorganic materials 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005231 Edge Defined Film Fed Growth Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000004549 pulsed laser deposition Methods 0.000 description 2
- 230000007017 scission Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 2
- IBEFSUTVZWZJEL-UHFFFAOYSA-N trimethylindium Chemical compound C[In](C)C IBEFSUTVZWZJEL-UHFFFAOYSA-N 0.000 description 2
- 238000010407 vacuum cleaning Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- H01L21/04—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
- H01L21/20—Deposition of semiconductor materials on a substrate, e.g. epitaxial growth solid phase epitaxy
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- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
- C30B25/02—Epitaxial-layer growth
- C30B25/18—Epitaxial-layer growth characterised by the substrate
- C30B25/20—Epitaxial-layer growth characterised by the substrate the substrate being of the same materials as the epitaxial layer
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- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
- C30B25/02—Epitaxial-layer growth
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Abstract
【解決手段】 この半導体層は、β−Ga2O3単結晶からなるβ−Ga2O3基板1と、β−Ga2O3基板1の表面に窒化処理を施して形成されたGaN層2と、GaN層2にMOCVD法によりエピタキシャル成長して形成されたGaN成長層3とを備える。GaN層2とGaN成長層3の格子定数が一致し、GaN成長層3はGaN層2の高い結晶性を引き継いで成長するため、結晶性の高いGaN成長層3が得られる。
【選択図】 図1
Description
(イ)結晶性の高いβ−Ga2O3基板1が得られるので、その上に形成したGaN層2も貫通転位密度が低く、結晶性の高いGaN層2が得られる。さらに、このGaN層2とGaN成長層3とは格子定数が一致し、しかもGaN成長層3はGaN層2の高い結晶性を引き継いで成長するため、貫通転位が少なく、結晶性の高いGaN成長層3が得られる。
(ロ)n型のGaN成長層とp型のGaN成長層とを接合すれば、pn接合の発光ダイオード、半導体レーザ等の発光素子を作製することができる。
(ハ)本発明を発光素子に適用した場合、結晶性の高い発光層が得られるので、発光効率が高くなる。
(ニ)β−Ga2O3基板1は、導電性を有するので、発光素子を作製した場合、層構造の上下方向から電極を取り出す垂直型の構造を採用することができ、層構成、製造工程の簡素化を図ることができる。
(ホ)β−Ga2O3基板1は、透光性を有するので、基板側からも光を取り出すことがきる。
(ヘ)MOCVD装置の成長炉内で上記真空洗浄(工程へ)、窒化処理(工程ト)、GaNエピタキシャル成長(工程チ)を連続して行えるため、半導体層を効率的に生産することができる。
2 GaN層
3 GaN成長層
11 Al2O3基板
12 AlN層
13 GaN成長層
Claims (8)
- Ga2O3系半導体からなる第1の層と、
前記第1の層の酸素原子の一部あるいは全部を窒素原子に置換することにより得られる第2の層により構成されたことを特徴とする半導体層。 - 前記第2の層は、GaN系化合物半導体からなることを特徴とする請求項1記載の半導体層。
- 前記第1の層は、Ga2O3系単結晶基板であることを特徴とする請求項1記載の半導体層。
- 前記第1の層は、主成分として、Ga2O3、(InxGa1-x)2O3、(AlxGa1-x)2O3又は(InxAlyGa1-x-y)2O3等からなることを特徴とする請求項1記載の半導体層。
- 前記第2の層は、主成分として、GaN、InzGa1-zN、AlzGa1-zN又はInzAlpGa1-z-pN等からなることを特徴とする請求項2記載の半導体層。
- Ga2O3系半導体からなる第1の層と、
前記第1の層の酸素原子の一部あるいは全部を窒素原子に置換することにより得られるGaN系化合物半導体からなる第2の層と、
前記第2の層上に形成されたGaN系エピタキシャル層からなる第3の層により構成されたことを特徴とする半導体層。 - Ga2O3系半導体からなる第1の層と、
前記第1の層上に形成されたGaN系化合物半導体からなる第2の層により構成されたことを特徴とする半導体層。 - Ga2O3系半導体からなる第1の層と、
前記第1の層上に形成されたGaN系化合物半導体からなる第2の層と、
前記第2の層上に形成されたGaN系エピタキシャル層からなる第3の層により構成されたことを特徴とする半導体層。
Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003290862A JP4754164B2 (ja) | 2003-08-08 | 2003-08-08 | 半導体層 |
US10/567,369 US7977673B2 (en) | 2003-08-08 | 2004-08-04 | Semiconductor layer with a Ga2O3 system |
EP12162023A EP2472567A3 (en) | 2003-08-08 | 2004-08-04 | Semiconductor layer |
CN2008100893858A CN101257079B (zh) | 2003-08-08 | 2004-08-04 | 半导体层 |
KR1020117030584A KR101197416B1 (ko) | 2003-08-08 | 2004-08-04 | 반도체층 |
PCT/JP2004/011531 WO2005015617A1 (ja) | 2003-08-08 | 2004-08-04 | 半導体層 |
KR1020067002599A KR101132546B1 (ko) | 2003-08-08 | 2004-08-04 | 반도체층 |
EP04771516A EP1653502A4 (en) | 2003-08-08 | 2004-08-04 | SEMICONDUCTOR LAYER |
CNB2004800226892A CN100394549C (zh) | 2003-08-08 | 2004-08-04 | 半导体层 |
TW093123606A TWI362365B (en) | 2003-08-08 | 2004-08-06 | Semiconductor layer |
TW100134374A TWI488814B (zh) | 2003-08-08 | 2004-08-06 | 發光元件及半導體基板的製作方法 |
US13/067,726 US8674399B2 (en) | 2003-08-08 | 2011-06-22 | Semiconductor layer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003290862A JP4754164B2 (ja) | 2003-08-08 | 2003-08-08 | 半導体層 |
Publications (2)
Publication Number | Publication Date |
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JP2005064153A true JP2005064153A (ja) | 2005-03-10 |
JP4754164B2 JP4754164B2 (ja) | 2011-08-24 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003290862A Expired - Fee Related JP4754164B2 (ja) | 2003-08-08 | 2003-08-08 | 半導体層 |
Country Status (7)
Country | Link |
---|---|
US (2) | US7977673B2 (ja) |
EP (2) | EP2472567A3 (ja) |
JP (1) | JP4754164B2 (ja) |
KR (2) | KR101197416B1 (ja) |
CN (2) | CN101257079B (ja) |
TW (2) | TWI362365B (ja) |
WO (1) | WO2005015617A1 (ja) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005112079A1 (ja) * | 2004-05-13 | 2005-11-24 | Nippon Light Metal Company, Ltd. | 酸化ガリウム単結晶複合体及びその製造方法並びに酸化ガリウム単結晶複合体を用いた窒化物半導体膜の製造方法 |
JP2006273684A (ja) * | 2005-03-30 | 2006-10-12 | Koha Co Ltd | Iii族酸化物系単結晶の製造方法 |
JP2006310765A (ja) * | 2005-03-31 | 2006-11-09 | Toyoda Gosei Co Ltd | 低温成長バッファ層の形成方法、発光素子の製造方法、発光素子、および発光装置 |
JP2006312571A (ja) * | 2005-05-09 | 2006-11-16 | Koha Co Ltd | Ga2O3系結晶の製造方法 |
JP2007042928A (ja) * | 2005-08-04 | 2007-02-15 | National Institute For Materials Science | 発光素子 |
KR100691159B1 (ko) * | 2005-04-30 | 2007-03-09 | 삼성전기주식회사 | 질화갈륨계 반도체의 제조 방법 |
JP2007254174A (ja) * | 2006-03-20 | 2007-10-04 | Nippon Light Metal Co Ltd | 酸化ガリウム単結晶及びその製造方法、並びに窒化物半導体用基板及びその製造方法 |
JP2008156141A (ja) * | 2006-12-21 | 2008-07-10 | Koha Co Ltd | 半導体基板及びその製造方法 |
JP2012508974A (ja) * | 2008-11-17 | 2012-04-12 | エルジー イノテック カンパニー リミテッド | 酸化ガリウム基板の製造方法、発光素子、及び発光素子の製造方法 |
JP2014123765A (ja) * | 2014-02-27 | 2014-07-03 | Sumitomo Electric Ind Ltd | ウエハ生産物、窒化ガリウム系半導体光素子 |
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KR100482511B1 (ko) * | 2004-02-05 | 2005-04-14 | 에피밸리 주식회사 | Ⅲ-질화물계 반도체 발광소자 |
JP2006237556A (ja) * | 2005-01-31 | 2006-09-07 | Kanagawa Acad Of Sci & Technol | GaN膜生成方法及び半導体素子並びにIII族窒化物の薄膜生成方法及びIII族窒化物の薄膜を有する半導体素子 |
JP5529420B2 (ja) * | 2009-02-09 | 2014-06-25 | 住友電気工業株式会社 | エピタキシャルウエハ、窒化ガリウム系半導体デバイスを作製する方法、窒化ガリウム系半導体デバイス、及び酸化ガリウムウエハ |
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JP5777479B2 (ja) * | 2011-10-14 | 2015-09-09 | 株式会社タムラ製作所 | β−Ga2O3系基板の製造方法、及び結晶積層構造体の製造方法 |
US9966439B2 (en) * | 2013-07-09 | 2018-05-08 | Flosfia Inc. | Semiconductor device and manufacturing method for same, crystal, and manufacturing method for same |
CN103456603B (zh) * | 2013-09-05 | 2016-04-13 | 大连理工大学 | 在镓系异质半导体衬底上制备氧化镓膜的方法及氧化镓膜 |
KR102086360B1 (ko) * | 2013-11-07 | 2020-03-09 | 삼성전자주식회사 | n형 질화물 반도체의 전극형성방법, 질화물 반도체 소자 및 그 제조방법 |
JP6248359B2 (ja) * | 2013-12-20 | 2017-12-20 | 住友電工デバイス・イノベーション株式会社 | 半導体層の表面処理方法 |
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TWI596710B (zh) | 2015-06-12 | 2017-08-21 | 國立交通大學 | 半導體元件的製備方法 |
US10593544B2 (en) | 2016-10-14 | 2020-03-17 | Case Westen Reverse University | Method for forming a thin film comprising an ultrawide bandgap oxide semiconductor |
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EP2472567A2 (en) | 2012-07-04 |
EP1653502A4 (en) | 2009-12-16 |
TWI362365B (en) | 2012-04-21 |
US7977673B2 (en) | 2011-07-12 |
CN101257079A (zh) | 2008-09-03 |
CN1833310A (zh) | 2006-09-13 |
JP4754164B2 (ja) | 2011-08-24 |
US20110253973A1 (en) | 2011-10-20 |
EP2472567A3 (en) | 2012-08-15 |
KR20060034723A (ko) | 2006-04-24 |
CN101257079B (zh) | 2012-07-18 |
KR101197416B1 (ko) | 2012-11-05 |
US8674399B2 (en) | 2014-03-18 |
TWI488814B (zh) | 2015-06-21 |
EP1653502A1 (en) | 2006-05-03 |
US20060289860A1 (en) | 2006-12-28 |
CN100394549C (zh) | 2008-06-11 |
KR101132546B1 (ko) | 2012-04-03 |
WO2005015617A1 (ja) | 2005-02-17 |
TW201213239A (en) | 2012-04-01 |
KR20120003506A (ko) | 2012-01-10 |
TW200510252A (en) | 2005-03-16 |
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