WO2006098458A1 - 易酸化性または易吸湿性物質の容器および易酸化性または易吸湿性物質の加熱および加圧処理方法 - Google Patents
易酸化性または易吸湿性物質の容器および易酸化性または易吸湿性物質の加熱および加圧処理方法 Download PDFInfo
- Publication number
- WO2006098458A1 WO2006098458A1 PCT/JP2006/305470 JP2006305470W WO2006098458A1 WO 2006098458 A1 WO2006098458 A1 WO 2006098458A1 JP 2006305470 W JP2006305470 W JP 2006305470W WO 2006098458 A1 WO2006098458 A1 WO 2006098458A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- container
- heating
- sealing means
- opening
- hygroscopic substance
- Prior art date
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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
- 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
- C30B29/38—Nitrides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
-
- 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
- C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
- C30B11/002—Crucibles or containers for supporting the melt
-
- 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
- C30B9/00—Single-crystal growth from melt solutions using molten solvents
- C30B9/04—Single-crystal growth from melt solutions using molten solvents by cooling of the solution
- C30B9/08—Single-crystal growth from melt solutions using molten solvents by cooling of the solution using other solvents
- C30B9/10—Metal solvents
Definitions
- the present invention relates to a container for an easily oxidizable or hygroscopic substance such as Na flux and a method for heating and pressurizing an easily oxidizable or easily hygroscopic substance.
- Gallium nitride thin film crystals are attracting attention as an excellent blue light-emitting device, put into practical use in light-emitting diodes, and expected as a blue-violet semiconductor laser device for optical pickups.
- Jpn. J. Appl. Pys. Vol. 42, (2003) page L4-L6 is used to grow a gallium nitride single crystal by the Na flux method.
- the atmospheric pressure is 50 atm.
- the total pressure is 5 atm.
- the pressure is set to 10 to 100 atm using a mixed gas of nitrogen and ammonia.
- the atmospheric pressure at the time of growth is not more than 100 atm. In the examples, 2, 3, 5 MPa (about 20 atm, 30 atm) , 50 atm).
- the growth temperatures are all 100 ° C. or lower, and in the examples, all are 85 ° C. or lower. Disclosure of the invention
- An object of the present invention is to provide a container suitable for heating and pressurizing a readily oxidizable and hygroscopic substance such as Na flux in a non-oxidizing atmosphere, thereby easily oxidizing and easily absorbing moisture. This is to prevent unnecessary oxidation and moisture absorption before the material is treated.
- the present invention is a container for containing an easily oxidizable or easily hygroscopic substance that is heated and pressurized in a non-oxidizing atmosphere, and is provided with an opening.
- the present invention relates to a container of an easily oxidizable or hygroscopic substance, characterized in that the opening is hermetically sealed and has a sealing means that allows the opening to communicate with a non-oxidizing atmosphere during heating and pressurization. .
- the present invention is a method for heating and pressurizing an easily oxidizable or hygroscopic substance in a non-oxidizing atmosphere, wherein an opening is provided in the container, Use a container that is hermetically sealed and has a sealing means that allows the opening to communicate with a non-oxidizing atmosphere under heating and pressure conditions. Then, the container is heated and pressurized in a non-oxidizing atmosphere, and the method relates to a method for heating and pressurizing an easily oxidizable or easily hygroscopic substance.
- an opening is provided in a container of an easily oxidizable or easily hygroscopic substance, and the opening is hermetically sealed.
- the sealing means is released, so that predetermined oxidization or hygroscopic substances in the container are subjected to predetermined heating and pressure treatment. It becomes possible.
- FIG. 1 is a cross-sectional view schematically showing a container 1 that can be used in an embodiment of the present invention.
- FIG. 2 is a cross-sectional view schematically showing a container 1 A that can be used in the embodiment of the present invention.
- FIG. 3 is a view showing a state in which the container shown in FIG. 1 (or FIG. 2) is set in the HIP apparatus.
- the type of non-oxidizing atmosphere is not particularly limited, and includes an inert gas atmosphere such as nitrogen and argon, and a reducing atmosphere such as carbon monoxide and hydrogen, but is particularly suitable for a nitrogen-containing atmosphere. It is.
- the nitrogen-containing atmosphere may consist only of nitrogen, but non-oxidizing gas other than nitrogen, for example, An inert gas such as argon or a reducing gas may be contained.
- an apparatus for heating and pressurizing easily oxidizable and easily hygroscopic substances is not particularly limited.
- This apparatus is preferably a hot isostatic pressing apparatus, but other atmospheric pressurizing furnaces may be used.
- the nosepiece 9 includes a crucible main body 8 and a lid 7 that covers the main body 8.
- the raw material 10 is sealed in the crucible 9 in a glove box of a non-oxidizing atmosphere, and is sealed in the container 1 (or 1 A) of the present invention in a non-oxidizing atmosphere.
- the container 1 (1 A) includes a main body 2 and a lid 3.
- An elongated flange 2 a is formed on the upper edge of the main body 2.
- a substantially ring-shaped flange 3a protrudes also from the lower surface of the lid 3, and the creeping distance is increased by the flanges 2a and 3a being in contact with each other.
- an opening 4 is formed at a predetermined location of the lid 3, and a sealing means 5 is fixed inside each opening 4.
- the sealing means 5 A is fixed to the outside of each opening 4.
- Each container is hermetically sealed from the atmosphere outside the containers 1 and 1A by the sealing means 5 and 5A. In this state, containers 1 and 1 A are taken out of the glove box, and then placed in the crystal growth apparatus as they are.
- the jacket 1 3 is fixed in the pressure vessel 1 2 of the HIP (Hot Isostatic Press) device 1 1, and the vessel 1 (1 of the present invention is placed in the jacket 13.
- A) is installed.
- the mixed gas cylinder is filled with a mixed gas having a predetermined composition, and this mixed gas is compressed by a compressor to a predetermined pressure.
- the pressure is supplied as shown by the arrow A into the pressure vessel 1 2 through the supply pipe 15. Nitrogen in this atmosphere becomes a nitrogen source, and an inert gas such as argon gas suppresses evaporation of the flux. This pressure is monitored by a pressure gauge (not shown).
- a heater 14 is installed around the container 1 (1 A), and the growth temperature in the crucible can be controlled.
- the hermetic sealing by the sealing means 5 (5A) is released at any point in the stage of heating and pressurizing the container 1 (1A) in the pressure container 12.
- the sealing means 5 (5 A) is designed to be melted by high temperature, destroyed by pressure, or separated from the container 1 (1 A) by pressure. deep.
- the sealing means 5 that is no longer needed remains attached to the inner surface of the container 1 or falls downward in the container 1.
- the sealing means 5 A that is no longer needed remains attached to the outer surface of the container 1 A or is scattered away from the container 1 A.
- the atmosphere 6 in the container communicates with the non-oxidizing atmosphere.
- the sealing means is made of a material that melts and Z or deforms under heating. Such a material is preferably softer in terms of securing airtightness and ease of releasing airtightness.
- low melting point metals and polymer materials are preferred. Whether it melts or deforms at the target temperature depends on the relationship between the processing temperature and the material of the sealing means.
- the low melting point metal include aluminum, indium, tin, lead, and an alloy (for example, solder) containing one or more of these.
- the polymer material include paraffin, polyethylene, Teflon, and butyl rubber.
- the form of the sealing means is not particularly limited, but may be a sheet shape or a film shape. It may be a plate shape.
- the thickness of the sealing means is not particularly limited, but is preferably 0.01 mm or more, and more preferably 0.05 mm or more from the viewpoint of airtightness inside the container. In addition, the thickness of the sealing means is preferably 3 mm or less, and more preferably 1 mm or less, from the viewpoint of ease of melting and deformation and certainty.
- the method for attaching the sealing means to the container is not particularly limited, and the following can be exemplified.
- the sealing means is adhered to the container.
- the sealing means is mechanically fixed to the container.
- the sealing means is broken or separated from the container under pressure.
- the sealing means may be one that breaks under pressure and opens a through hole, or the sealing means may split into a plurality of pieces. In this case, at least a part of the sealing means remains attached while the sealing means is broken.
- the sealing means can be designed to separate or peel from the container.
- the sealing means is made of a material having a low breaking strength that easily breaks when pressurized, or the sealing means is formed into a thin sheet to facilitate breakage.
- examples of such materials include aluminum foil, stainless steel foil, and gold foil.
- the thickness of the sealing means is preferably 0.1 mm or less, and more preferably 0.05 mm or less. Further, from the viewpoint of maintaining airtightness in the container by the sealing means, the thickness of the sealing means is preferably 0.01 mm or more, and more preferably Q.02 mm or more.
- the method for attaching the sealing means to the container is not particularly limited, and the following can be exemplified.
- the sealing means is adhered to the container.
- the sealing means is mechanically fixed to the container.
- the adhesive force of the sealing means to the container is set low enough to ensure that the main sealing stage separates from the container when pressurized.
- Such an attachment method is not limited, but there are, for example, an adhesion method and a pressure bonding method.
- the location for forming the opening is not particularly limited.
- it can be provided on the lid side of the container, but can also be provided on the container body side, and can be provided on both the lid side and the body side.
- the number and dimensions of the openings are not particularly limited.
- the opening diameter is preferably 1 mm or more, and preferably 3 mm or more. Further preferred. Further, from the viewpoint of ensuring a hermetic seal inside the container, the opening diameter is preferably 10 mm or less.
- the easily oxidizable and easily hygroscopic substance to which the present invention can be applied is not particularly limited.
- Easily oxidizable and hygroscopic substances mean substances that easily oxidize and absorb moisture when exposed to air at room temperature. For example, substances that oxidize and absorb moisture within one minute. Means.
- the easily oxidizable and easily hygroscopic substance may be a powder mixture or a molded body.
- the easily oxidizable and easily hygroscopic substance is a flux material for growing single crystals (particularly nitride single crystals).
- This flux preferably contains one or more metals selected from the group consisting of Al-strength metals and Al-strength earth metals.
- this metal sodium, lithium and calcium are particularly preferable, and sodium is most preferable.
- the following metals can be added to the flux.
- the following single crystals can be suitably grown by the growing method of the present invention.
- the heating temperature and pressure in the present invention are not particularly limited because they are selected depending on the type of easily oxidizable and easily hygroscopic substance. .
- the heating temperature can be set to, for example, 800 to 120 ° C.
- the pressure is not particularly limited, but in an embodiment in which the sealing means is broken or removed by pressure, the pressure is preferably 1 MPa or more, and more preferably 5 MPa or more.
- the upper limit of the pressure is not particularly specified, but in the case of the flux method, it can be set to 200 MPa or less, for example.
- the material of the container is not particularly limited as long as it is an airtight material that is durable under the intended heating and pressurizing conditions.
- examples of such materials include metals and ceramics, and in particular, heat-resistant alloys such as stainless steel, iron, tinplate, and inconel, alumina, and nitride ceramics are preferable.
- a gallium nitride single crystal can be grown using a flux containing at least sodium metal.
- This flux is mixed with gallium source material.
- gallium source material a gallium simple metal, a gallium alloy, or a gallium compound can be applied, but the gallium simple metal is also preferable in terms of handling.
- This flux can contain metals other than sodium, such as lithium.
- the usage ratio of the gallium raw material and the flux raw material such as sodium may be appropriate, but in general, the use of an excess amount of Na is considered. Of course, this is not limiting.
- a gallium nitride single crystal is grown under an atmosphere of a mixed gas containing nitrogen gas under a total pressure of not less than 300 atm and not more than 200 atm. By setting the total pressure to 300 atm or higher, a high-quality gallium nitride single crystal can be grown in a high temperature region of, for example, 90 ° C. or higher, and more preferably in a high temperature region of 9500 ° C. or higher. there were.
- the nitrogen partial pressure in the atmosphere during growth is set to 100 atm or more and 2200 atm or less.
- the nitrogen partial pressure is set to 100 atm or higher.
- the nitrogen partial pressure is preferably set to 100 atm or less.
- a gas other than nitrogen in the atmosphere is not limited, but an inert gas is preferable, and argon, helium, and neon are particularly preferable.
- the partial pressure of gases other than nitrogen is the total pressure minus the nitrogen gas partial pressure.
- the growth temperature of the gallium nitride single crystal is 95 ° C. or higher, more preferably 1000 ° C. or higher.
- a high-quality gallium nitride single crystal is produced even in such a high temperature region. Can be trained.
- the temperature is preferably set to 1 500 ° C or less. More preferably, it is C or less.
- the material of the growth substrate for epitaxial growth of gallium nitride crystal is not limited, but sapphire, A1N template, GaN template, silicon single crystal, SiC single crystal, MgO single crystal, spinel (M g A 1 2 0 4) s L i A 1 02s L i Ga02, L a A 1 0 3 5
- a gallium nitride single crystal film was grown according to the above procedure.
- a 2 N diameter A 1 N template was used as a seed crystal.
- a 1 N template refers to an AlN single crystal epitaxial thin film formed on a sapphire single crystal substrate. The thickness of the A 1 N thin film at this time was 1 micron.
- Metal gallium and metal sodium were weighed in a glove box so that the ratio of m o 1 was 2 7: 7 3 and placed in a crucible 9. After that, the crucible 9 was placed in the container 1 and sealed with the lid 3.
- the material of container 1 was stainless steel. Two openings 4 were provided. The diameter of each opening is
- the sealed container 1 was taken out of the group box and housed in a yoke frame type HIP (hot isostatic press) device as shown in Fig.3. After replacing the atmosphere in the HIP pressure vessel 1 2 with nitrogen gas, 1 0 0 0 ° C
- the temperature was raised to 3 MPa and pressurized, and held for 24 hours. After cooling to room temperature, container 1 was taken out of pressure vessel 12 and the aluminum tape 5 used to close the lid was melted and opening 4 was exposed, and nitrogen gas was exposed inside the container. It was confirmed that it was introduced. In addition, since there was no change in the shape of the container, it was confirmed that a hole opened during pressurization and nitrogen gas was introduced into the container.
- a gallium nitride single crystal film was grown according to the above procedure.
- a 2 N diameter A 1 N template was used as a seed crystal.
- Metal gallium and metal sodium were weighed in a glove box so that the ratio of m o 1 was 2 7: 73, and placed in a crucible 9. Thereafter, the crucible 9 was placed in the container 1A, and the lid 3 was put on and sealed.
- the material of container 1A was stainless steel. Two openings 4 were provided. The diameter of each opening was 2 mm.
- An aluminum tape 5 A (diameter: about 4 to 5 mm) having a thickness of 100 ⁇ m was attached to the surface side of the lid 3 to close each opening 4.
- the sealed container 1 was taken out of the globe box and housed in a short frame type HIP (hot isostatic press) apparatus as shown in FIG. After the atmosphere in the HIP pressure vessel 1 2 was replaced with nitrogen gas, the temperature was raised to 100 ° C. ⁇ 35 MPa and pressurized and held for 24 hours. After cooling to room temperature, the container 1 was removed from the pressure vessel 1 2 and the aluminum tape 5 A used to close the lid was melted, opening 4 was exposed, and nitrogen gas was introduced into the vessel. It was confirmed. In addition, since there was no change in the shape of the container, it was confirmed that a hole opened during pressurization and nitrogen gas was introduced into the container.
- HIP hot isostatic press
- a single crystal was grown by the same method as in Example 1. However, Figure 1, Figure The container of 2 was not used, the crucible was taken out from the glove box and installed in the HIP pressure vessel. The working time was approximately 5 minutes, during which time the crucible was exposed to the atmosphere. When experiments were conducted in the same manner as in the following examples, only about 30 to 40% by weight of gallium was nitrided. A black colored gallium nitride single crystal was obtained.
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- Inorganic Chemistry (AREA)
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- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007508239A JP4963108B2 (ja) | 2005-03-14 | 2006-03-14 | 易酸化性または易吸湿性物質の容器および易酸化性または易吸湿性物質の加熱および加圧処理方法 |
CN2006800073222A CN101137774B (zh) | 2005-03-14 | 2006-03-14 | 易氧化性或易吸湿性物质的容器以及易氧化性或易吸湿性物质的加热和加压处理方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2005070649 | 2005-03-14 | ||
JP2005-070649 | 2005-03-14 |
Publications (1)
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WO2006098458A1 true WO2006098458A1 (ja) | 2006-09-21 |
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PCT/JP2006/305470 WO2006098458A1 (ja) | 2005-03-14 | 2006-03-14 | 易酸化性または易吸湿性物質の容器および易酸化性または易吸湿性物質の加熱および加圧処理方法 |
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JP (1) | JP4963108B2 (ja) |
KR (1) | KR100914941B1 (ja) |
CN (1) | CN101137774B (ja) |
WO (1) | WO2006098458A1 (ja) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009132548A (ja) * | 2007-11-29 | 2009-06-18 | Sumitomo Electric Ind Ltd | Iii族窒化物結晶の成長装置および成長方法 |
US7833347B2 (en) | 2006-03-23 | 2010-11-16 | Ngk Insulators, Ltd. | Process and apparatus for producing nitride single crystal |
JP2011195345A (ja) * | 2010-03-17 | 2011-10-06 | Ngk Insulators Ltd | 窒化物結晶の製造装置及び製造方法 |
US8231729B2 (en) | 2006-03-23 | 2012-07-31 | Ngk Insulators, Ltd. | Apparatus for producing nitride single crystal |
DE112010002432T5 (de) | 2009-06-11 | 2012-10-25 | Yasuo Kitaoka | Verfahren zum Züchten eines Einkristalls eines Gruppe-III Metallnitrids und Reaktionskessel zur Verwendung dabei |
US8486190B2 (en) | 2006-03-23 | 2013-07-16 | Ngk Insulators, Ltd. | Process for producing single crystal |
WO2015137266A1 (ja) * | 2014-03-10 | 2015-09-17 | 日本碍子株式会社 | 窒化物結晶の製造方法 |
US9441311B2 (en) | 2006-04-07 | 2016-09-13 | Sixpoint Materials, Inc. | Growth reactor for gallium-nitride crystals using ammonia and hydrogen chloride |
US9803293B2 (en) | 2008-02-25 | 2017-10-31 | Sixpoint Materials, Inc. | Method for producing group III-nitride wafers and group III-nitride wafers |
US9985102B2 (en) | 2008-06-04 | 2018-05-29 | Sixpoint Materials, Inc. | Methods for producing improved crystallinity group III-nitride crystals from initial group III-nitride seed by ammonothermal growth |
US10087548B2 (en) | 2006-04-07 | 2018-10-02 | Sixpoint Materials, Inc. | High-pressure vessel for growing group III nitride crystals and method of growing group III nitride crystals using high-pressure vessel and group III nitride crystal |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003212696A (ja) * | 2002-01-18 | 2003-07-30 | Ricoh Co Ltd | Iii族窒化物の結晶成長方法および結晶成長装置 |
JP2005008444A (ja) * | 2003-06-17 | 2005-01-13 | Mitsubishi Chemicals Corp | 窒化物結晶の製造方法 |
JP2005298269A (ja) * | 2004-04-12 | 2005-10-27 | Sumitomo Electric Ind Ltd | Iii族窒化物結晶基板およびその製造方法ならびにiii族窒化物半導体デバイス |
-
2006
- 2006-03-14 WO PCT/JP2006/305470 patent/WO2006098458A1/ja active Application Filing
- 2006-03-14 KR KR1020077018254A patent/KR100914941B1/ko active IP Right Grant
- 2006-03-14 JP JP2007508239A patent/JP4963108B2/ja active Active
- 2006-03-14 CN CN2006800073222A patent/CN101137774B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003212696A (ja) * | 2002-01-18 | 2003-07-30 | Ricoh Co Ltd | Iii族窒化物の結晶成長方法および結晶成長装置 |
JP2005008444A (ja) * | 2003-06-17 | 2005-01-13 | Mitsubishi Chemicals Corp | 窒化物結晶の製造方法 |
JP2005298269A (ja) * | 2004-04-12 | 2005-10-27 | Sumitomo Electric Ind Ltd | Iii族窒化物結晶基板およびその製造方法ならびにiii族窒化物半導体デバイス |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7833347B2 (en) | 2006-03-23 | 2010-11-16 | Ngk Insulators, Ltd. | Process and apparatus for producing nitride single crystal |
US8231729B2 (en) | 2006-03-23 | 2012-07-31 | Ngk Insulators, Ltd. | Apparatus for producing nitride single crystal |
US8486190B2 (en) | 2006-03-23 | 2013-07-16 | Ngk Insulators, Ltd. | Process for producing single crystal |
US9441311B2 (en) | 2006-04-07 | 2016-09-13 | Sixpoint Materials, Inc. | Growth reactor for gallium-nitride crystals using ammonia and hydrogen chloride |
US10087548B2 (en) | 2006-04-07 | 2018-10-02 | Sixpoint Materials, Inc. | High-pressure vessel for growing group III nitride crystals and method of growing group III nitride crystals using high-pressure vessel and group III nitride crystal |
JP2009132548A (ja) * | 2007-11-29 | 2009-06-18 | Sumitomo Electric Ind Ltd | Iii族窒化物結晶の成長装置および成長方法 |
US9803293B2 (en) | 2008-02-25 | 2017-10-31 | Sixpoint Materials, Inc. | Method for producing group III-nitride wafers and group III-nitride wafers |
US9985102B2 (en) | 2008-06-04 | 2018-05-29 | Sixpoint Materials, Inc. | Methods for producing improved crystallinity group III-nitride crystals from initial group III-nitride seed by ammonothermal growth |
US8568532B2 (en) | 2009-06-11 | 2013-10-29 | Ngk Insulators, Ltd. | Method for growing single crystal of group III metal nitride and reaction vessel for use in same |
DE112010002432B4 (de) | 2009-06-11 | 2018-02-08 | Yasuo Kitaoka | Verfahren und System zum Züchten eines Einkristalls eines Gruppe-III Metallnitrids und Reaktionscontainer zur Verwendung dabei |
DE112010002432T5 (de) | 2009-06-11 | 2012-10-25 | Yasuo Kitaoka | Verfahren zum Züchten eines Einkristalls eines Gruppe-III Metallnitrids und Reaktionskessel zur Verwendung dabei |
JP2011195345A (ja) * | 2010-03-17 | 2011-10-06 | Ngk Insulators Ltd | 窒化物結晶の製造装置及び製造方法 |
JPWO2015137266A1 (ja) * | 2014-03-10 | 2017-04-06 | 日本碍子株式会社 | 窒化物結晶の製造方法 |
WO2015137266A1 (ja) * | 2014-03-10 | 2015-09-17 | 日本碍子株式会社 | 窒化物結晶の製造方法 |
US10041186B2 (en) | 2014-03-10 | 2018-08-07 | Ngk Insulators, Ltd. | Method for producing nitride crystal |
Also Published As
Publication number | Publication date |
---|---|
JPWO2006098458A1 (ja) | 2008-08-28 |
CN101137774A (zh) | 2008-03-05 |
KR100914941B1 (ko) | 2009-08-31 |
JP4963108B2 (ja) | 2012-06-27 |
KR20070094652A (ko) | 2007-09-20 |
CN101137774B (zh) | 2012-03-21 |
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