JP2000503968A - 無色炭化ケイ素結晶の成長 - Google Patents
無色炭化ケイ素結晶の成長Info
- Publication number
- JP2000503968A JP2000503968A JP9527754A JP52775497A JP2000503968A JP 2000503968 A JP2000503968 A JP 2000503968A JP 9527754 A JP9527754 A JP 9527754A JP 52775497 A JP52775497 A JP 52775497A JP 2000503968 A JP2000503968 A JP 2000503968A
- Authority
- JP
- Japan
- Prior art keywords
- silicon carbide
- type
- crystal
- concentration
- nitrogen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- C30B23/00—Single-crystal growth by condensing evaporated or sublimed materials
-
- 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
- C30B29/36—Carbides
Landscapes
- 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)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Silicon Compounds (AREA)
- Feed For Specific Animals (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 補償されたレベルのn−タイプドーパントとp−タイプドーパントとを 含有する炭化ケイ素の無色単結晶から形成される合成宝石用原石。 2. n−タイプドーパントが窒素を含む、請求項1記載の合成宝石用原石。 3. 窒素原子が、昇華系中の窒素のバックグラウンドレベルによって決まる 濃度にて結晶中に存在する、請求項2記載の合成宝石用原石。 4. n−タイプドーパントがアルミニウムを含む、請求項2記載の合成宝石 用原石。 5. アルミニウム原子の濃度が窒素原子の濃度の約1〜5倍の範囲である、 請求項4記載の合成宝石用原石。 6. アルミニウム原子の濃度が窒素原子の濃度の約1〜2倍である、請求項 4記載の合成宝石用原石。 7. 補償されたレベルのn−タイプドーパントとp−タイプドーパントとを 導入した状態で成長させた炭化ケイ素の無色単結晶。 8. 炭化ケイ素単結晶のポリタイプが、2H、6H、4H、8H、15R、 および3Cからなる群から選ばれる、請求項7または10に記載の合成宝石用原石 。 9. 各ドーパントタイプが、約1×1016cm-3〜1×1018cm-3の濃度にて結晶 中に存在する、請求項1または7に記載の炭化ケイ素の無色単結晶。 10. 各ドーパントタイプが、約1×1017cm-3〜5×1017cm-3の濃度にて結晶 中に存在する、請求項1または7に記載の炭化ケイ素の無色単結晶。 11. n−タイプドーパントが窒素を含み、p−タイプドーパントがアルミニ ウムを含む、請求項9記載の炭化ケイ素の無色単結晶。 12. 補償されたレベルのp−タイプドーパントとn−タイプドーパントを結 晶格子構造中に導入しながら、昇華法によって炭化ケイ素の単結晶を成長させる 工程を含む、炭化ケイ素の無色単結晶の製造法。 13. n−タイプドーパントが窒素を含み、前記昇華法が、窒素をバックグラ ウンドレベルでのみ含有する雰囲気を有する炉を使用し、窒素が大気中にバック グラウンドとして存在していることにより結晶中に導入される窒素の量にほぼ等 しい補償されたレベルにてp−タイプドーパントを導入する工程を含む、請求項 12記載の製造法。 14. p−タイプドーパントがアルミニウムを含み、アルミニウム原子を、格 子構造中の窒素原子の濃度の約1〜5倍の濃度にて結晶格子構造中に導入する工 程を含む、請求項13記載の製造法。 15. p−タイプドーパントがアルミニウムを含み、アルミニウム原子を、格 子構造中の窒素原子の濃度の約1〜2倍の濃度にて結晶格子構造中に導入する工 程を含む、請求項13記載の製造法。 16. それぞれのドーパントタイプが、約1×1016cm-3〜1×1018cm-3の濃度 にて結晶中に存在する、請求項12記載の製造法。 17. それぞれのドーパントタイプが、約1×1017cm-3〜5×1017cm-3の濃度 にて結晶中に存在する、請求項14記載の製造法。 18. 前記昇華法が、 所望のポリタイプの炭化ケイ素のモノクリスタル質種結晶と炭化ケイ素供給 粉末とを昇華系中に導入する工程; 炭化ケイ素供給粉末の温度を、供給粉末が昇華するに足る温度にまで上昇さ せる工程;このとき同時に 種結晶の成長表面の温度を、供給粉末の温度に近いが、供給粉末の温度より 低く、かつ昇華系のガス圧力条件下で炭化ケイ素が昇華する温度より低い温度に まで上昇させる行程;および 所望のポリタイプのモノクリスタル質炭化ケイ素の所望量の巨視的な成長を 種結晶上に生成させるに足る時間にわたって、供給粉末から種結晶の成長表面へ の、気化されたSi、Si2C、およびSiC2の単位面積当たり単位時間当たり 実質的に一定の流れを生成・維持する工程;および 昇華系中のp−タイプドーパント原子とn−タイプドーパント原子のレベル を、補償されたレベルの2種のドーパントタイプを結晶格子構造中に導入するに 足るレベルに保持する工程; を含む、請求項12記載の製造法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/596,526 | 1996-02-05 | ||
US08/596,526 US5718760A (en) | 1996-02-05 | 1996-02-05 | Growth of colorless silicon carbide crystals |
PCT/US1997/001292 WO1997028297A1 (en) | 1996-02-05 | 1997-01-24 | Growth of colorless silicon carbide crystals |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000503968A true JP2000503968A (ja) | 2000-04-04 |
JP3442401B2 JP3442401B2 (ja) | 2003-09-02 |
Family
ID=24387665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52775497A Expired - Lifetime JP3442401B2 (ja) | 1996-02-05 | 1997-01-24 | 無色炭化ケイ素結晶の成長 |
Country Status (11)
Country | Link |
---|---|
US (3) | US5718760A (ja) |
EP (1) | EP0879305B1 (ja) |
JP (1) | JP3442401B2 (ja) |
CN (2) | CN1291073C (ja) |
AT (1) | ATE200310T1 (ja) |
AU (1) | AU2247297A (ja) |
CA (1) | CA2244262C (ja) |
DE (1) | DE69704483T2 (ja) |
ES (1) | ES2157556T3 (ja) |
HK (1) | HK1017394A1 (ja) |
WO (1) | WO1997028297A1 (ja) |
Cited By (6)
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---|---|---|---|---|
WO2006070749A1 (ja) * | 2004-12-28 | 2006-07-06 | Matsushita Electric Industrial Co., Ltd. | 炭化珪素(SiC)単結晶の製造方法及びそれにより得られた炭化珪素(SiC)単結晶 |
WO2008001786A1 (fr) * | 2006-06-27 | 2008-01-03 | Osaka University | procédé de fabrication de cristal de carbure de silicium (SiC) et cristal de carbure de silicium (SiC) ainsi obtenu |
US7553373B2 (en) | 2001-06-15 | 2009-06-30 | Bridgestone Corporation | Silicon carbide single crystal and production thereof |
JP2010053035A (ja) * | 2009-12-08 | 2010-03-11 | Nippon Steel Corp | 炭化珪素単結晶インゴット、これから得られる基板及びエピタキシャルウェハ |
US7972704B2 (en) | 2008-01-15 | 2011-07-05 | Nippon Steel Corporation | Single-crystal silicon carbide ingot, and substrate and epitaxial wafer obtained therefrom |
JP6903362B1 (ja) * | 2021-02-05 | 2021-07-14 | 株式会社Brillar | 合成宝石用結晶体の製造方法 |
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WO1999005728A1 (en) | 1997-07-25 | 1999-02-04 | Nichia Chemical Industries, Ltd. | Nitride semiconductor device |
US6476420B2 (en) | 1997-11-18 | 2002-11-05 | Technologies And Devices International, Inc. | P-N homojunction-based structures utilizing HVPE growth III-V compound layers |
US6559467B2 (en) | 1997-11-18 | 2003-05-06 | Technologies And Devices International, Inc. | P-n heterojunction-based structures utilizing HVPE grown III-V compound layers |
US6472300B2 (en) | 1997-11-18 | 2002-10-29 | Technologies And Devices International, Inc. | Method for growing p-n homojunction-based structures utilizing HVPE techniques |
US20020047135A1 (en) * | 1997-11-18 | 2002-04-25 | Nikolaev Audrey E. | P-N junction-based structures utilizing HVPE grown III-V compound layers |
US6559038B2 (en) | 1997-11-18 | 2003-05-06 | Technologies And Devices International, Inc. | Method for growing p-n heterojunction-based structures utilizing HVPE techniques |
US6849862B2 (en) * | 1997-11-18 | 2005-02-01 | Technologies And Devices International, Inc. | III-V compound semiconductor device with an AlxByInzGa1-x-y-zN1-a-bPaAsb non-continuous quantum dot layer |
US6479839B2 (en) | 1997-11-18 | 2002-11-12 | Technologies & Devices International, Inc. | III-V compounds semiconductor device with an AlxByInzGa1-x-y-zN non continuous quantum dot layer |
US6890809B2 (en) * | 1997-11-18 | 2005-05-10 | Technologies And Deviles International, Inc. | Method for fabricating a P-N heterojunction device utilizing HVPE grown III-V compound layers and resultant device |
US6555452B2 (en) | 1997-11-18 | 2003-04-29 | Technologies And Devices International, Inc. | Method for growing p-type III-V compound material utilizing HVPE techniques |
US6599133B2 (en) | 1997-11-18 | 2003-07-29 | Technologies And Devices International, Inc. | Method for growing III-V compound semiconductor structures with an integral non-continuous quantum dot layer utilizing HVPE techniques |
JP3770014B2 (ja) | 1999-02-09 | 2006-04-26 | 日亜化学工業株式会社 | 窒化物半導体素子 |
EP1168539B1 (en) * | 1999-03-04 | 2009-12-16 | Nichia Corporation | Nitride semiconductor laser device |
JP3598954B2 (ja) * | 2000-08-21 | 2004-12-08 | 株式会社村田製作所 | 電圧非直線抵抗体の製造方法 |
US6794684B2 (en) | 2001-02-01 | 2004-09-21 | Cree, Inc. | Reflective ohmic contacts for silicon carbide including a layer consisting essentially of nickel, methods of fabricating same, and light emitting devices including the same |
US6791119B2 (en) * | 2001-02-01 | 2004-09-14 | Cree, Inc. | Light emitting diodes including modifications for light extraction |
JP3876628B2 (ja) * | 2001-02-07 | 2007-02-07 | 株式会社デンソー | 炭化珪素単結晶の製造方法および炭化珪素単結晶 |
US6706114B2 (en) * | 2001-05-21 | 2004-03-16 | Cree, Inc. | Methods of fabricating silicon carbide crystals |
US20030017932A1 (en) * | 2001-07-17 | 2003-01-23 | Vandenbiesen Russell P. | Method for making synthetic gems comprising elements recovered from complete or partial human or animal remains and the product thereof |
US7211833B2 (en) | 2001-07-23 | 2007-05-01 | Cree, Inc. | Light emitting diodes including barrier layers/sublayers |
US6740906B2 (en) | 2001-07-23 | 2004-05-25 | Cree, Inc. | Light emitting diodes including modifications for submount bonding |
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US7601441B2 (en) * | 2002-06-24 | 2009-10-13 | Cree, Inc. | One hundred millimeter high purity semi-insulating single crystal silicon carbide wafer |
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-
1996
- 1996-02-05 US US08/596,526 patent/US5718760A/en not_active Expired - Lifetime
-
1997
- 1997-01-24 CN CNB971920842A patent/CN1291073C/zh not_active Expired - Lifetime
- 1997-01-24 CN CN200610088688A patent/CN100593591C/zh not_active Expired - Lifetime
- 1997-01-24 AT AT97905633T patent/ATE200310T1/de not_active IP Right Cessation
- 1997-01-24 DE DE69704483T patent/DE69704483T2/de not_active Expired - Lifetime
- 1997-01-24 EP EP97905633A patent/EP0879305B1/en not_active Expired - Lifetime
- 1997-01-24 CA CA002244262A patent/CA2244262C/en not_active Expired - Lifetime
- 1997-01-24 WO PCT/US1997/001292 patent/WO1997028297A1/en active IP Right Grant
- 1997-01-24 AU AU22472/97A patent/AU2247297A/en not_active Abandoned
- 1997-01-24 ES ES97905633T patent/ES2157556T3/es not_active Expired - Lifetime
- 1997-01-24 JP JP52775497A patent/JP3442401B2/ja not_active Expired - Lifetime
- 1997-12-04 US US08/984,938 patent/US6025289A/en not_active Expired - Lifetime
-
1999
- 1999-05-25 HK HK99102309A patent/HK1017394A1/xx not_active IP Right Cessation
-
2000
- 2000-02-14 US US09/503,313 patent/US6200917B1/en not_active Expired - Lifetime
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7553373B2 (en) | 2001-06-15 | 2009-06-30 | Bridgestone Corporation | Silicon carbide single crystal and production thereof |
WO2006070749A1 (ja) * | 2004-12-28 | 2006-07-06 | Matsushita Electric Industrial Co., Ltd. | 炭化珪素(SiC)単結晶の製造方法及びそれにより得られた炭化珪素(SiC)単結晶 |
WO2008001786A1 (fr) * | 2006-06-27 | 2008-01-03 | Osaka University | procédé de fabrication de cristal de carbure de silicium (SiC) et cristal de carbure de silicium (SiC) ainsi obtenu |
JP4714834B2 (ja) * | 2006-06-27 | 2011-06-29 | 国立大学法人大阪大学 | 炭化珪素(SiC)結晶の製造方法およびそれにより得られた炭化珪素(SiC)結晶 |
US7972704B2 (en) | 2008-01-15 | 2011-07-05 | Nippon Steel Corporation | Single-crystal silicon carbide ingot, and substrate and epitaxial wafer obtained therefrom |
KR101247476B1 (ko) * | 2008-01-15 | 2013-03-29 | 신닛테츠스미킨 카부시키카이샤 | 탄화규소 단결정 잉곳, 이것으로부터 얻어지는 기판 및 에피택셜 웨이퍼 |
JP2010053035A (ja) * | 2009-12-08 | 2010-03-11 | Nippon Steel Corp | 炭化珪素単結晶インゴット、これから得られる基板及びエピタキシャルウェハ |
JP6903362B1 (ja) * | 2021-02-05 | 2021-07-14 | 株式会社Brillar | 合成宝石用結晶体の製造方法 |
JP2022120393A (ja) * | 2021-02-05 | 2022-08-18 | 株式会社Brillar | 合成宝石用結晶体の製造方法 |
US11725301B2 (en) | 2021-02-05 | 2023-08-15 | Brillar Co., Ltd. | Method for manufacturing crystal for synthetic gem |
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US6025289A (en) | 2000-02-15 |
DE69704483T2 (de) | 2001-07-12 |
JP3442401B2 (ja) | 2003-09-02 |
WO1997028297A1 (en) | 1997-08-07 |
CN1291073C (zh) | 2006-12-20 |
AU2247297A (en) | 1997-08-22 |
CN1891866A (zh) | 2007-01-10 |
EP0879305A1 (en) | 1998-11-25 |
EP0879305B1 (en) | 2001-04-04 |
US6200917B1 (en) | 2001-03-13 |
ES2157556T3 (es) | 2001-08-16 |
HK1017394A1 (en) | 1999-11-19 |
ATE200310T1 (de) | 2001-04-15 |
CN1210565A (zh) | 1999-03-10 |
CN100593591C (zh) | 2010-03-10 |
DE69704483D1 (de) | 2001-05-10 |
US5718760A (en) | 1998-02-17 |
CA2244262A1 (en) | 1997-08-07 |
CA2244262C (en) | 2007-12-04 |
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