JP4717712B2 - 窒化ガリウム単結晶基板及び半導体素子 - Google Patents
窒化ガリウム単結晶基板及び半導体素子 Download PDFInfo
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- JP4717712B2 JP4717712B2 JP2006133116A JP2006133116A JP4717712B2 JP 4717712 B2 JP4717712 B2 JP 4717712B2 JP 2006133116 A JP2006133116 A JP 2006133116A JP 2006133116 A JP2006133116 A JP 2006133116A JP 4717712 B2 JP4717712 B2 JP 4717712B2
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- Prior art keywords
- gallium nitride
- single crystal
- crystal substrate
- nitride single
- substrate
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- 239000000758 substrate Substances 0.000 title claims description 69
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 title claims description 67
- 229910002601 GaN Inorganic materials 0.000 title claims description 63
- 239000013078 crystal Substances 0.000 title claims description 55
- 239000004065 semiconductor Substances 0.000 title claims description 6
- 229910052594 sapphire Inorganic materials 0.000 claims description 10
- 239000010980 sapphire Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000002441 X-ray diffraction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 150000004678 hydrides Chemical class 0.000 claims description 2
- 238000001947 vapour-phase growth Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 5
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 5
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010291 electrical method Methods 0.000 description 4
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 3
- 230000005355 Hall effect Effects 0.000 description 3
- 229910052733 gallium Inorganic materials 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- XOYLJNJLGBYDTH-UHFFFAOYSA-M chlorogallium Chemical compound [Ga]Cl XOYLJNJLGBYDTH-UHFFFAOYSA-M 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- UPWPDUACHOATKO-UHFFFAOYSA-K gallium trichloride Chemical compound Cl[Ga](Cl)Cl UPWPDUACHOATKO-UHFFFAOYSA-K 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000001657 homoepitaxy Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
Images
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
- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
- C30B25/02—Epitaxial-layer growth
-
- 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
- C30B29/40—AIIIBV compounds wherein A is B, Al, Ga, In or Tl and B is N, P, As, Sb or Bi
- C30B29/403—AIII-nitrides
- C30B29/406—Gallium nitride
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/0242—Crystalline insulating materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02538—Group 13/15 materials
- H01L21/0254—Nitrides
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/0257—Doping during depositing
- H01L21/02573—Conductivity type
- H01L21/02576—N-type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/0262—Reduction or decomposition of gaseous compounds, e.g. CVD
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/005—Processes
- H01L33/0062—Processes for devices with an active region comprising only III-V compounds
- H01L33/0066—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound
- H01L33/007—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound comprising nitride compounds
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Led Devices (AREA)
- Semiconductor Lasers (AREA)
- Chemical Vapour Deposition (AREA)
Description
ドーピング濃度および7×10 6 /cm 2 以下の転位密度を有する窒化ガリウム単結晶基板を提供する。
前記実施例1と同一の方法で、厚さ50μmの窒化ガリウム(GaN)単結晶膜をサファイア単結晶基材上に成長させ、0.9×1018/cm3のn−ドーピング濃度および1.0×108/cm2の転位密度を有する窒化ガリウムテンプレートを得た。窒化ガリウム単結晶膜の成長時にケイ素気体を3.5sccmの流量で流してケイ素でのドーピングを遂行した。この時、成長温度を1000℃で、成長速度を40μm/hrで、塩化水素気体およびアンモニア気体を1:2の体積比で供給した。
Claims (8)
- サファイア単結晶基材上に、ハイドライド気相成長法でエピタキシャル成長させて得た窒化ガリウム単結晶基板であって、
0.7×1018ないし3×1018/cm3のn−ドーピング濃度および7×102/cm2以下の転位密度を有し、少なくとも200μmの厚さを有することを特徴とする窒化ガリウム単結晶基板。 - 1×1018ないし2×1018/cm3のn−ドーピング濃度を有することを特徴とする請求項1に記載の窒化ガリウム単結晶基板。
- X線回折(XRD)振動曲線によるFWHM値が150arcsec以下であることを特徴とする請求項1に記載の窒化ガリウム単結晶基板。
- サファイア基材上に成長した後、基材と分離して研磨処理されたことを特徴とする請求項1に記載の窒化ガリウム単結晶基板。
- 少なくとも10mm×10mmの大きさを有することを特徴とする請求項1に記載の窒化ガリウム単結晶基板。
- 発光素子の製造時に自立基板として用いられることを特徴とする請求項1に記載の窒化ガリウム単結晶基板。
- 窒化ガリウム単結晶基板の全体に渡って実質的に均一な転位分布を有することを特徴とする請求項1に記載の窒化ガリウム単結晶基板。
- 請求項1の窒化ガリウム単結晶基板、発光層、およびp−型およびn−型電極層を含む半導体素子。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2005-0039619 | 2005-05-12 | ||
KR1020050039619A KR100673873B1 (ko) | 2005-05-12 | 2005-05-12 | 열전도도가 우수한 질화갈륨 단결정 기판 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006315949A JP2006315949A (ja) | 2006-11-24 |
JP4717712B2 true JP4717712B2 (ja) | 2011-07-06 |
Family
ID=37418296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006133116A Expired - Fee Related JP4717712B2 (ja) | 2005-05-12 | 2006-05-11 | 窒化ガリウム単結晶基板及び半導体素子 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20060255339A1 (ja) |
JP (1) | JP4717712B2 (ja) |
KR (1) | KR100673873B1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20080086905A (ko) | 2006-01-20 | 2008-09-26 | 마쯔시다덴기산교 가부시키가이샤 | 반도체 발광 소자, ⅲ족 질화물 반도체 기판, 및 그 제조방법 |
DE102011076570A1 (de) * | 2011-05-27 | 2012-11-29 | Robert Bosch Gmbh | Elektronisches Bauteil mit verbessertem Kühlkörper |
KR101301430B1 (ko) * | 2011-12-07 | 2013-08-28 | 주식회사 엘지실트론 | 웨이퍼의 결함측정방법 |
WO2014123171A1 (ja) * | 2013-02-08 | 2014-08-14 | 並木精密宝石株式会社 | GaN基板及びGaN基板の製造方法 |
FR3091008B1 (fr) | 2018-12-21 | 2023-03-31 | Saint Gobain Lumilog | Substrat semi-conducteur avec couche intermédiaire dopée n |
FR3091020B1 (fr) | 2018-12-21 | 2023-02-10 | Saint Gobain Lumilog | SUBSTRAT SEMI-CONDUCTEUR CO-DOPE n |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11191657A (ja) * | 1997-04-11 | 1999-07-13 | Nichia Chem Ind Ltd | 窒化物半導体の成長方法及び窒化物半導体素子 |
JP2000044400A (ja) * | 1998-05-28 | 2000-02-15 | Sumitomo Electric Ind Ltd | 窒化ガリウム単結晶基板及びその製造方法 |
JP2002299769A (ja) * | 2001-03-30 | 2002-10-11 | Matsushita Electric Ind Co Ltd | 半導体レーザ装置およびその製造方法 |
JP2003078084A (ja) * | 2001-08-30 | 2003-03-14 | Sony Corp | ヒートシンクおよびサブマウント |
JP2003212697A (ja) * | 2002-01-24 | 2003-07-30 | Nichia Chem Ind Ltd | 窒化ガリウム単結晶の成長方法 |
JP2004300024A (ja) * | 2003-03-20 | 2004-10-28 | Matsushita Electric Ind Co Ltd | Iii族元素窒化物結晶の製造方法、それにより得られたiii族元素窒化物結晶およびそれを用いた半導体装置 |
JP2005506271A (ja) * | 2001-10-26 | 2005-03-03 | アンモノ・スプウカ・ジ・オグラニチョノン・オドポヴィエドニアウノシツィオン | エピタキシャル成長用基板 |
JP2005097045A (ja) * | 2003-09-25 | 2005-04-14 | Sumitomo Electric Ind Ltd | Iii族窒化物ウエハの製造方法 |
Family Cites Families (5)
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US6596079B1 (en) * | 2000-03-13 | 2003-07-22 | Advanced Technology Materials, Inc. | III-V nitride substrate boule and method of making and using the same |
US7303630B2 (en) * | 2003-11-05 | 2007-12-04 | Sumitomo Electric Industries, Ltd. | Method of growing GaN crystal, method of producing single crystal GaN substrate, and single crystal GaN substrate |
CA2483403A1 (en) | 2002-04-30 | 2003-11-13 | Jeffrey S. Flynn | High voltage switching devices and process for forming same |
JP2004200277A (ja) | 2002-12-17 | 2004-07-15 | Matsushita Electric Ind Co Ltd | 複合発光素子 |
JP2005005544A (ja) | 2003-06-13 | 2005-01-06 | Sumitomo Electric Ind Ltd | 白色発光素子 |
-
2005
- 2005-05-12 KR KR1020050039619A patent/KR100673873B1/ko not_active IP Right Cessation
-
2006
- 2006-05-11 JP JP2006133116A patent/JP4717712B2/ja not_active Expired - Fee Related
- 2006-05-12 US US11/432,502 patent/US20060255339A1/en not_active Abandoned
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11191657A (ja) * | 1997-04-11 | 1999-07-13 | Nichia Chem Ind Ltd | 窒化物半導体の成長方法及び窒化物半導体素子 |
JP2000044400A (ja) * | 1998-05-28 | 2000-02-15 | Sumitomo Electric Ind Ltd | 窒化ガリウム単結晶基板及びその製造方法 |
JP2002299769A (ja) * | 2001-03-30 | 2002-10-11 | Matsushita Electric Ind Co Ltd | 半導体レーザ装置およびその製造方法 |
JP2003078084A (ja) * | 2001-08-30 | 2003-03-14 | Sony Corp | ヒートシンクおよびサブマウント |
JP2005506271A (ja) * | 2001-10-26 | 2005-03-03 | アンモノ・スプウカ・ジ・オグラニチョノン・オドポヴィエドニアウノシツィオン | エピタキシャル成長用基板 |
JP2003212697A (ja) * | 2002-01-24 | 2003-07-30 | Nichia Chem Ind Ltd | 窒化ガリウム単結晶の成長方法 |
JP2004300024A (ja) * | 2003-03-20 | 2004-10-28 | Matsushita Electric Ind Co Ltd | Iii族元素窒化物結晶の製造方法、それにより得られたiii族元素窒化物結晶およびそれを用いた半導体装置 |
JP2005097045A (ja) * | 2003-09-25 | 2005-04-14 | Sumitomo Electric Ind Ltd | Iii族窒化物ウエハの製造方法 |
Also Published As
Publication number | Publication date |
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KR20060116961A (ko) | 2006-11-16 |
JP2006315949A (ja) | 2006-11-24 |
KR100673873B1 (ko) | 2007-01-25 |
US20060255339A1 (en) | 2006-11-16 |
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