JP4955542B2 - 酸化物単結晶およびその製造方法、ならびに単結晶ウエハ - Google Patents
酸化物単結晶およびその製造方法、ならびに単結晶ウエハ Download PDFInfo
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- JP4955542B2 JP4955542B2 JP2007514797A JP2007514797A JP4955542B2 JP 4955542 B2 JP4955542 B2 JP 4955542B2 JP 2007514797 A JP2007514797 A JP 2007514797A JP 2007514797 A JP2007514797 A JP 2007514797A JP 4955542 B2 JP4955542 B2 JP 4955542B2
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- single crystal
- lattice constant
- oxide single
- oxide
- crystal
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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
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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
- C30B29/34—Silicates
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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)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Description
本発明の他の目的は、この製造方法により製造される酸化物単結晶を提供することにある。
本発明のさらに他の目的は、酸化物単結晶を加工して得られる単結晶ウエハを提供することにある。
本発明に係る酸化物単結晶の製造方法は、一般式がREXSi6O1.5X+12(RE(希土類元素):La,Ce,Pr,Nd,Sm、x:8〜10)で表される化学組成を有する単結晶を、所謂、チョクラルスキー法(CZ法)を用いて、固化率を制御しながらc軸方向に育成するものである。
Claims (5)
- 目的とするLa X Si 6 O 1.5X+12 (x:9.33)の組成に対し、La 2 O 3 を総量に対して0.1〜5重量%過剰に加えた出発原料を使用し、チョクラルスキー法により、格子定数aが0.9717nm以上0.9734nm以下、格子定数cが0.7185nm以上0.7220nm以下である酸化物単結晶を製造する酸化物単結晶の製造方法。
- La 2 O 3 とSiO 2 とを湿式混合した後、乾燥、成形し、1200〜1500℃の温度で焼成して得られた原料から前記酸化物単結晶を育成する請求項1に記載の酸化物単結晶の製造方法。
- 目的とするLa X Si 6 O 1.5X+12 (x:9.33)の組成に対し、La 2 O 3 を総量に対して0.1〜5重量%過剰に加えた出発原料を使用し、チョクラルスキー法により製造された、格子定数aが0.9717nm以上0.9734nm以下、格子定数cが0.7185nm以上0.7220nm以下である酸化物単結晶。
- La 2 O 3 とSiO 2 とを湿式混合した後、乾燥、成形し、1200〜1500℃の温度で焼成して得られた原料から育成された請求項3に記載の酸化物単結晶。
- 請求項3または請求項4に記載の酸化物単結晶をc軸に垂直に切断して得られる単結晶ウエハ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007514797A JP4955542B2 (ja) | 2005-04-28 | 2006-04-27 | 酸化物単結晶およびその製造方法、ならびに単結晶ウエハ |
Applications Claiming Priority (4)
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JP2005131816 | 2005-04-28 | ||
JP2005131816 | 2005-04-28 | ||
JP2007514797A JP4955542B2 (ja) | 2005-04-28 | 2006-04-27 | 酸化物単結晶およびその製造方法、ならびに単結晶ウエハ |
PCT/JP2006/308810 WO2006118177A1 (ja) | 2005-04-28 | 2006-04-27 | 酸化物単結晶およびその製造方法、ならびに単結晶ウエハ |
Publications (2)
Publication Number | Publication Date |
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JPWO2006118177A1 JPWO2006118177A1 (ja) | 2008-12-18 |
JP4955542B2 true JP4955542B2 (ja) | 2012-06-20 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007514797A Expired - Fee Related JP4955542B2 (ja) | 2005-04-28 | 2006-04-27 | 酸化物単結晶およびその製造方法、ならびに単結晶ウエハ |
Country Status (5)
Country | Link |
---|---|
US (1) | US8377203B2 (ja) |
EP (1) | EP1876269B1 (ja) |
JP (1) | JP4955542B2 (ja) |
KR (1) | KR20080003338A (ja) |
WO (1) | WO2006118177A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10727493B2 (en) | 2015-01-07 | 2020-07-28 | Mitsui Mining & Smelting Co., Ltd. | Oriented apatite-type doped rare earth silicate and/or germanate ion conductor and method for manufacturing same |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04175297A (ja) * | 1990-07-06 | 1992-06-23 | Hitachi Chem Co Ltd | 希土類珪酸塩単結晶の育成方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3934750B2 (ja) | 1997-08-27 | 2007-06-20 | 第一稀元素化学工業株式会社 | 酸化物イオン導電性セラミックス及びその製造方法 |
JP3997365B2 (ja) | 1997-10-30 | 2007-10-24 | 第一稀元素化学工業株式会社 | 酸化物イオン導電性単結晶及びその製造方法 |
CN1502728A (zh) * | 2002-11-19 | 2004-06-09 | ɽ����ʽ���� | 碱土金属氟化物生成态单晶 |
JP2004244282A (ja) * | 2003-02-14 | 2004-09-02 | Honda Motor Co Ltd | 酸化物イオン伝導体およびその製造方法 |
-
2006
- 2006-04-27 EP EP06745738.2A patent/EP1876269B1/en not_active Not-in-force
- 2006-04-27 JP JP2007514797A patent/JP4955542B2/ja not_active Expired - Fee Related
- 2006-04-27 KR KR1020077023333A patent/KR20080003338A/ko not_active Application Discontinuation
- 2006-04-27 US US11/919,155 patent/US8377203B2/en not_active Expired - Fee Related
- 2006-04-27 WO PCT/JP2006/308810 patent/WO2006118177A1/ja active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04175297A (ja) * | 1990-07-06 | 1992-06-23 | Hitachi Chem Co Ltd | 希土類珪酸塩単結晶の育成方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1876269A4 (en) | 2014-01-08 |
EP1876269A1 (en) | 2008-01-09 |
KR20080003338A (ko) | 2008-01-07 |
EP1876269B1 (en) | 2015-03-18 |
US8377203B2 (en) | 2013-02-19 |
JPWO2006118177A1 (ja) | 2008-12-18 |
US20090317682A1 (en) | 2009-12-24 |
WO2006118177A1 (ja) | 2006-11-09 |
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