JP2013103864A - β−Ga2O3系単結晶の成長方法 - Google Patents
β−Ga2O3系単結晶の成長方法 Download PDFInfo
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- JP2013103864A JP2013103864A JP2011249891A JP2011249891A JP2013103864A JP 2013103864 A JP2013103864 A JP 2013103864A JP 2011249891 A JP2011249891 A JP 2011249891A JP 2011249891 A JP2011249891 A JP 2011249891A JP 2013103864 A JP2013103864 A JP 2013103864A
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/16—Oxides
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
- C30B15/34—Edge-defined film-fed crystal-growth using dies or slits
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
- C30B15/36—Single-crystal growth by pulling from a melt, e.g. Czochralski method characterised by the seed, e.g. its crystallographic orientation
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
【解決手段】EFG(Edge-defined film-fed growth)法を用いたβ−Ga2O3系単結晶25の成長方法であって、種結晶20をGa2O3系融液に接触させる工程と、種結晶20を引き上げ、ネッキング工程を行わずにβ−Ga2O3系単結晶25を成長させる工程と、を含み、すべての方向においてβ−Ga2O3系単結晶25の幅が種結晶20の幅の110%以下とする。
【選択図】図3
Description
本実施の形態においては、EFG(Edge-defined film-fed growth)法により、ネッキングや大きく肩を広げる工程を行わずにβ−Ga2O3系単結晶を成長させる。
本実施の形態によれば、ネッキングや大きく肩を広げる工程を行わずにGa2O3系単結晶を成長させることにより、β−Ga2O3系単結晶の双晶化を効果的に抑えることができる。
Claims (4)
- EFG法を用いたβ−Ga2O3系単結晶の成長方法であって、
種結晶をGa2O3系融液に接触させる工程と、
前記種結晶を引き上げ、ネッキング工程を行わずにβ−Ga2O3系単結晶を成長させる工程と、
を含み、
すべての方向において前記β−Ga2O3系単結晶の幅が前記種結晶の幅の110%以下である、
β−Ga2O3系単結晶の成長方法。 - すべての方向において前記β−Ga2O3系単結晶の幅が前記種結晶の幅の100%以下である、
請求項1に記載のβ−Ga2O3系単結晶の成長方法。 - すべての方向において前記β−Ga2O3系単結晶の幅が前記種結晶の幅と等しい、
請求項2に記載のβ−Ga2O3系単結晶の成長方法。 - 前記β−Ga2O3系単結晶をそのb軸方向に成長させる、
請求項1〜3のいずれか1項に記載のβ−Ga2O3系単結晶の成長方法。
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011249891A JP5491483B2 (ja) | 2011-11-15 | 2011-11-15 | β−Ga2O3系単結晶の成長方法 |
CN201280055743.8A CN103958746A (zh) | 2011-11-15 | 2012-11-12 | β-Ga2O3系单晶的生长方法 |
PCT/JP2012/079265 WO2013073497A1 (ja) | 2011-11-15 | 2012-11-12 | β-Ga2O3系単結晶の成長方法 |
KR1020197020197A KR102140604B1 (ko) | 2011-11-15 | 2012-11-12 | β-Ga₂O₃계 단결정의 성장 방법 |
CN202010434224.9A CN111534856A (zh) | 2011-11-15 | 2012-11-12 | β-Ga2O3系单晶基板 |
EP12849124.8A EP2801645B1 (en) | 2011-11-15 | 2012-11-12 | Method for growing beta-ga2o3 based single crystal |
US14/358,011 US20140352604A1 (en) | 2011-11-15 | 2012-11-12 | METHOD FOR GROWING ß-Ga2O3 SINGLE CRYSTAL |
KR1020147015817A KR102001702B1 (ko) | 2011-11-15 | 2012-11-12 | β-Ga₂O₃계 단결정의 성장 방법 |
TW101142237A TWI601856B (zh) | 2011-11-15 | 2012-11-13 | β-Ga 2 O 3 Department of single crystal growth method |
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JP2011249891A JP5491483B2 (ja) | 2011-11-15 | 2011-11-15 | β−Ga2O3系単結晶の成長方法 |
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JP2014036391A Division JP5777756B2 (ja) | 2014-02-27 | 2014-02-27 | β−Ga2O3系単結晶基板 |
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JP5491483B2 JP5491483B2 (ja) | 2014-05-14 |
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Country | Link |
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US (1) | US20140352604A1 (ja) |
EP (1) | EP2801645B1 (ja) |
JP (1) | JP5491483B2 (ja) |
KR (2) | KR102140604B1 (ja) |
CN (2) | CN103958746A (ja) |
TW (1) | TWI601856B (ja) |
WO (1) | WO2013073497A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013227160A (ja) * | 2012-04-24 | 2013-11-07 | Namiki Precision Jewel Co Ltd | 酸化ガリウム単結晶、及び、酸化ガリウム単結晶基板 |
JP2013237591A (ja) * | 2012-05-16 | 2013-11-28 | Namiki Precision Jewel Co Ltd | 酸化ガリウム融液、酸化ガリウム単結晶、酸化ガリウム基板、および酸化ガリウム単結晶の製造方法 |
JP2014129232A (ja) * | 2014-02-27 | 2014-07-10 | Tamura Seisakusho Co Ltd | β−Ga2O3系単結晶基板 |
CN104878449A (zh) * | 2014-02-28 | 2015-09-02 | 株式会社田村制作所 | β-Ga2O3基单晶基板 |
WO2016002845A1 (ja) * | 2014-07-02 | 2016-01-07 | 株式会社タムラ製作所 | 酸化ガリウム基板 |
WO2016002708A1 (ja) * | 2014-06-30 | 2016-01-07 | 株式会社タムラ製作所 | β-Ga2O3系単結晶基板 |
JP2016013970A (ja) * | 2015-09-02 | 2016-01-28 | 株式会社タムラ製作所 | β−Ga2O3系単結晶基板の製造方法 |
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JP5788925B2 (ja) * | 2013-04-04 | 2015-10-07 | 株式会社タムラ製作所 | β−Ga2O3系単結晶の成長方法 |
JP5865867B2 (ja) | 2013-05-13 | 2016-02-17 | 株式会社タムラ製作所 | β−Ga2O3系単結晶の育成方法、並びにβ−Ga2O3系単結晶基板の製造方法 |
JP6013410B2 (ja) * | 2014-08-07 | 2016-10-25 | 株式会社タムラ製作所 | Ga2O3系単結晶基板 |
EP3042986A1 (en) | 2015-01-09 | 2016-07-13 | Forschungsverbund Berlin e.V. | Method for growing beta phase of gallium oxide (ß-Ga2O3) single crystals from the melt contained within a metal crucible by controlling the partial pressure of oxygen. |
RU170190U1 (ru) * | 2016-08-22 | 2017-04-18 | федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский национальный исследовательский университет информационных технологий, механики и оптики" (Университет ИТМО) | УСТРОЙСТВО ДЛЯ ВЫРАЩИВАНИЯ ПРОФИЛИРОВАННЫХ МОНОКРИСТАЛЛОВ β-Ga2O3 ИЗ СОБСТВЕННОГО РАСПЛАВА |
CN106521625B (zh) * | 2016-12-14 | 2018-12-28 | 山东大学 | 掺四价铬氧化镓晶体及制备方法与应用 |
GB201705755D0 (en) | 2017-04-10 | 2017-05-24 | Norwegian Univ Of Science And Tech (Ntnu) | Nanostructure |
CN112834700B (zh) * | 2020-12-31 | 2023-03-21 | 杭州富加镓业科技有限公司 | 一种基于深度学习和导模法的高阻型氧化镓的质量预测方法、制备方法及系统 |
CN113913925A (zh) * | 2021-09-08 | 2022-01-11 | 杭州富加镓业科技有限公司 | 一种基于导模法的β-Ga2O3单晶生长方法 |
EP4219803A1 (en) | 2022-01-31 | 2023-08-02 | Siltronic AG | Method and apparatus for producing electrically conducting bulk beta-ga2o3 single crystals and electrically conducting bulk beta-ga2o3 single crystal |
CN114507899B (zh) * | 2022-04-20 | 2022-08-16 | 中国电子科技集团公司第四十六研究所 | 一种氧化镓单晶生长放肩角度的控制方法及控制装置 |
WO2024078704A1 (en) | 2022-10-11 | 2024-04-18 | Forschungsverbund Berlin E.V. | MELT-GROWN BULK ß-(AlxGa1-x)2O3 SINGLE CRYSTALS AND METHOD FOR PRODUCING BULK ß-(AlxGA1-x)2O3 SINGLE CRYSTALS |
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2011
- 2011-11-15 JP JP2011249891A patent/JP5491483B2/ja active Active
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2012
- 2012-11-12 EP EP12849124.8A patent/EP2801645B1/en active Active
- 2012-11-12 KR KR1020197020197A patent/KR102140604B1/ko active IP Right Grant
- 2012-11-12 CN CN201280055743.8A patent/CN103958746A/zh active Pending
- 2012-11-12 KR KR1020147015817A patent/KR102001702B1/ko active IP Right Grant
- 2012-11-12 WO PCT/JP2012/079265 patent/WO2013073497A1/ja active Application Filing
- 2012-11-12 CN CN202010434224.9A patent/CN111534856A/zh active Pending
- 2012-11-12 US US14/358,011 patent/US20140352604A1/en not_active Abandoned
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Cited By (16)
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CN104878449A (zh) * | 2014-02-28 | 2015-09-02 | 株式会社田村制作所 | β-Ga2O3基单晶基板 |
CN104878449B (zh) * | 2014-02-28 | 2019-01-08 | 株式会社田村制作所 | β-Ga2O3基单晶基板 |
KR102372706B1 (ko) | 2014-02-28 | 2022-03-10 | 가부시키가이샤 다무라 세이사쿠쇼 | β-Ga₂O₃계 단결정 기판 |
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CN106471164A (zh) * | 2014-06-30 | 2017-03-01 | 株式会社田村制作所 | β-Ga2O3系单晶衬底 |
US10196756B2 (en) | 2014-06-30 | 2019-02-05 | Tamura Corporation | β-Ga2O3 single-crystal substrate |
WO2016002845A1 (ja) * | 2014-07-02 | 2016-01-07 | 株式会社タムラ製作所 | 酸化ガリウム基板 |
CN106661760A (zh) * | 2014-07-02 | 2017-05-10 | 株式会社田村制作所 | 氧化镓衬底 |
CN109898135A (zh) * | 2014-07-02 | 2019-06-18 | 株式会社田村制作所 | β-Ga2O3系单晶衬底的制造方法 |
CN109898135B (zh) * | 2014-07-02 | 2021-05-28 | 株式会社田村制作所 | β-Ga2O3系单晶衬底的制造方法 |
JP2016013970A (ja) * | 2015-09-02 | 2016-01-28 | 株式会社タムラ製作所 | β−Ga2O3系単結晶基板の製造方法 |
Also Published As
Publication number | Publication date |
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KR20140092395A (ko) | 2014-07-23 |
TWI601856B (zh) | 2017-10-11 |
TW201339381A (zh) | 2013-10-01 |
KR20190086780A (ko) | 2019-07-23 |
US20140352604A1 (en) | 2014-12-04 |
EP2801645A4 (en) | 2015-03-04 |
EP2801645B1 (en) | 2019-02-27 |
CN103958746A (zh) | 2014-07-30 |
KR102140604B1 (ko) | 2020-08-03 |
WO2013073497A1 (ja) | 2013-05-23 |
EP2801645A1 (en) | 2014-11-12 |
CN111534856A (zh) | 2020-08-14 |
KR102001702B1 (ko) | 2019-07-18 |
JP5491483B2 (ja) | 2014-05-14 |
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