JP2012231156A - Iv族基板表面上での窒化物半導体素子の層構造 - Google Patents
Iv族基板表面上での窒化物半導体素子の層構造 Download PDFInfo
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- 239000000758 substrate Substances 0.000 title claims abstract description 110
- 150000004767 nitrides Chemical class 0.000 title claims abstract description 93
- 239000004065 semiconductor Substances 0.000 title claims abstract description 57
- 239000000463 material Substances 0.000 claims abstract description 35
- 229910052710 silicon Inorganic materials 0.000 claims description 37
- 239000010703 silicon Substances 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 16
- 238000000151 deposition Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 230000008021 deposition Effects 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 238000000927 vapour-phase epitaxy Methods 0.000 claims description 2
- 239000013078 crystal Substances 0.000 abstract description 17
- 239000010410 layer Substances 0.000 description 145
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 39
- 229910002601 GaN Inorganic materials 0.000 description 28
- 238000005530 etching Methods 0.000 description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 229910052733 gallium Inorganic materials 0.000 description 10
- 229910052738 indium Inorganic materials 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 239000010409 thin film Substances 0.000 description 7
- 125000004429 atom Chemical group 0.000 description 6
- 229910002704 AlGaN Inorganic materials 0.000 description 5
- 229910003460 diamond Inorganic materials 0.000 description 5
- 239000010432 diamond Substances 0.000 description 5
- 229910052732 germanium Inorganic materials 0.000 description 5
- 238000001465 metallisation Methods 0.000 description 5
- 239000002243 precursor Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 4
- 229910021478 group 5 element Inorganic materials 0.000 description 4
- 238000003631 wet chemical etching Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 239000004063 acid-resistant material Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000013067 intermediate product Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 150000003376 silicon Chemical class 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- DIIIISSCIXVANO-UHFFFAOYSA-N 1,2-Dimethylhydrazine Chemical compound CNNC DIIIISSCIXVANO-UHFFFAOYSA-N 0.000 description 1
- 229910000789 Aluminium-silicon alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- NWAIGJYBQQYSPW-UHFFFAOYSA-N azanylidyneindigane Chemical compound [In]#N NWAIGJYBQQYSPW-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical compound [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 229910021480 group 4 element Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 150000003961 organosilicon compounds Chemical class 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229910002059 quaternary alloy Inorganic materials 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000012686 silicon precursor Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910002058 ternary alloy Inorganic materials 0.000 description 1
- 231100000925 very toxic Toxicity 0.000 description 1
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- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/20—Deposition of semiconductor materials on a substrate, e.g. epitaxial growth solid phase epitaxy
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- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
- C30B25/02—Epitaxial-layer growth
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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
- C30B29/40—AIIIBV compounds wherein A is B, Al, Ga, In or Tl and B is N, P, As, Sb or Bi
- C30B29/403—AIII-nitrides
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Abstract
【解決手段】立方晶のIV族基板材料のIV族基板表面を有する基板上にエピタキシャル堆積されている、III族窒化物層構造を有する窒化物半導体素子であって、IV族基板表面が、C2対称性の単位格子を有するが、C2対称性より高度の回転対称性の単位格子は有さない{nml}表面[式中、n、mはゼロ以外の整数であり、かつl≧2]であるようにする。
【選択図】図1−2
Description
A バッファ層と組み合わされた、三元または四元の窒化物シード層、
B マスク層、
C 窒化物半導体層、ここではとりわけn型のGaN層、
D マルチ量子井戸構造、
E pドープ型窒化物半導体層、ここではとりわけp−GaN、および
F 歪み制御のための、低温AlN、またはAlGaN中間層、
を表す。
A 三元または四元の窒化物シード層、B マスク層、C 窒化物半導体層、D マルチ量子井戸構造、E カバー層、F 低温AlN、またはAlGaN中間層
Claims (10)
- 立方晶構造を有するIV族基板材料のIV族基板表面を有する基板上にエピタキシャル堆積されている、III族窒化物層構造を有する窒化物半導体素子において、表面再構成は考慮せずにIV族基板表面がC2対称性の単位格子を有するが、C2対称性より高度の回転対称性の単位格子は有さない(この際、III族窒化物層構造は、IV族基板表面と直接隣接するところに、GaNもしくはAlNから、または三元もしくは四元のAl1-x-yInxGayN[ただし、0≦x、y<1、かつx+y≦1]から成るシード層を有する)ことを特徴とする、窒化物半導体素子。
- IV族基板表面が、{nm0}表面[式中、n、mはゼロよりも大きい整数である]である、請求項1に記載の窒化物半導体素子。
- IV族基板表面が、{nml}表面[式中、n、mはゼロ以外の整数であり、かつl≧2]である、請求項1または2に記載の窒化物半導体素子。
- IV族基板表面が、{110}シリコン表面である、請求項1または2に記載の窒化物半導体素子。
- IV族基板表面が、{11l}シリコン表面[式中、l≧2が満たされている]である、請求項1または3に記載の窒化物半導体素子。
- IV族基板表面が、{410}、{411}、または{41l}シリコン表面[式中、l≧2が満たされている]である、請求項1に記載の窒化物半導体素子。
- シード層と直接隣接するところに、Al1-x-yInxGayN[ただし、0≦x、y<1、かつx+y≦1]から成るバッファ層を有する、請求項1に記載の窒化物半導体素子。
- 立方晶構造を有するIV族基板材料のIV族基板表面上にIII族窒化物層構造をエピタキシャル堆積することを含む、窒化物半導体素子の製造方法において、概念的に定義するため表面再構成は考慮せずにC2対称性の単位格子を有するが、C2対称性より高度の回転対称性の単位格子は有しないIV族基板表面に、III族窒化物層構造をエピタキシャル堆積すること、およびIV族基板表面と直接隣接するところにAl1-x-yInxGayN[ただし、0≦x、y<1、かつx+y≦1]から成るシード層をエピタキシャル堆積することを特徴とする、窒化物半導体素子の製造方法。
- III族窒化物層構造をエピタキシャル堆積後、基板を部分的に、または完全に乾式もしくは湿式化学的に除去することを含む、請求項8に記載の方法。
- 有機金属気相エピタキシー(MOVPE)を用いてシード層を堆積させ、かつこの際に、シード層にあるIII族原子の総数に対して少なくとも90%のアルミニウム原子含分を有するシード層をエピタキシャル堆積させる、請求項8または9に記載の方法。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US92644407P | 2007-04-27 | 2007-04-27 | |
DE102007020979A DE102007020979A1 (de) | 2007-04-27 | 2007-04-27 | Nitridhalbleiterbauelement mit Gruppe-III-Nitrid-Schichtstruktur auf einer Gruppe-IV-Substratoberfläche mit höchstens zweizähliger Symmetrie |
US60/926,444 | 2007-04-27 | ||
DE102007020979.9 | 2007-04-27 |
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JP2010504724A Division JP2010525595A (ja) | 2007-04-27 | 2008-04-28 | Iv族基板表面上での窒化物半導体部材の層構造 |
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JP2012231156A true JP2012231156A (ja) | 2012-11-22 |
JP5546583B2 JP5546583B2 (ja) | 2014-07-09 |
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JP2010504724A Pending JP2010525595A (ja) | 2007-04-27 | 2008-04-28 | Iv族基板表面上での窒化物半導体部材の層構造 |
JP2012141154A Expired - Fee Related JP5546583B2 (ja) | 2007-04-27 | 2012-06-22 | Iii族窒化物層構造を有する窒化物半導体素子、及びその製造方法 |
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US (1) | US20100133658A1 (ja) |
EP (1) | EP2150970B1 (ja) |
JP (2) | JP2010525595A (ja) |
KR (1) | KR20100017413A (ja) |
CN (1) | CN101689483B (ja) |
AT (1) | ATE533176T1 (ja) |
DE (1) | DE102007020979A1 (ja) |
ES (1) | ES2375591T3 (ja) |
HK (1) | HK1138941A1 (ja) |
IN (1) | IN2009DN07391A (ja) |
MY (1) | MY149217A (ja) |
TW (1) | TWI455182B (ja) |
WO (1) | WO2008132204A2 (ja) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4829190B2 (ja) * | 2007-08-22 | 2011-12-07 | 株式会社東芝 | 発光素子 |
DE102009047881B4 (de) * | 2009-09-30 | 2022-03-03 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Verfahren zur Herstellung einer epitaktisch hergestellten Schichtstruktur |
DE102009051521B4 (de) | 2009-10-31 | 2012-04-26 | X-Fab Semiconductor Foundries Ag | Herstellung von Siliziumhalbleiterscheiben mit III-V-Schichtstrukturen für High Electron Mobility Transistoren (HEMT) und eine entsprechende Halbleiterschichtanordnung |
DE102009051520B4 (de) | 2009-10-31 | 2016-11-03 | X-Fab Semiconductor Foundries Ag | Verfahren zur Herstellung von Siliziumhalbleiterscheiben mit Schichtstrukturen zur Integration von III-V Halbleiterbauelementen |
DE102010027411A1 (de) * | 2010-07-15 | 2012-01-19 | Osram Opto Semiconductors Gmbh | Halbleiterbauelement, Substrat und Verfahren zur Herstellung einer Halbleiterschichtenfolge |
DE102010046215B4 (de) * | 2010-09-21 | 2019-01-03 | Infineon Technologies Austria Ag | Halbleiterkörper mit verspanntem Bereich, Elektronisches Bauelement und ein Verfahren zum Erzeugen des Halbleiterkörpers. |
KR20120032329A (ko) | 2010-09-28 | 2012-04-05 | 삼성전자주식회사 | 반도체 소자 |
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JP2002185041A (ja) * | 2000-12-15 | 2002-06-28 | Nobuhiko Sawaki | 半導体素子 |
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TWI455182B (zh) | 2014-10-01 |
JP5546583B2 (ja) | 2014-07-09 |
TW200913018A (en) | 2009-03-16 |
ATE533176T1 (de) | 2011-11-15 |
KR20100017413A (ko) | 2010-02-16 |
JP2010525595A (ja) | 2010-07-22 |
EP2150970B1 (de) | 2011-11-09 |
CN101689483B (zh) | 2012-07-04 |
US20100133658A1 (en) | 2010-06-03 |
HK1138941A1 (en) | 2010-09-03 |
WO2008132204A2 (de) | 2008-11-06 |
EP2150970A2 (de) | 2010-02-10 |
DE102007020979A1 (de) | 2008-10-30 |
ES2375591T3 (es) | 2012-03-02 |
IN2009DN07391A (ja) | 2015-07-24 |
WO2008132204A3 (de) | 2009-01-22 |
MY149217A (en) | 2013-07-31 |
CN101689483A (zh) | 2010-03-31 |
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