JP5384450B2 - 化合物半導体基板 - Google Patents
化合物半導体基板 Download PDFInfo
- Publication number
- JP5384450B2 JP5384450B2 JP2010197207A JP2010197207A JP5384450B2 JP 5384450 B2 JP5384450 B2 JP 5384450B2 JP 2010197207 A JP2010197207 A JP 2010197207A JP 2010197207 A JP2010197207 A JP 2010197207A JP 5384450 B2 JP5384450 B2 JP 5384450B2
- Authority
- JP
- Japan
- Prior art keywords
- region
- single crystal
- substrate
- dopant concentration
- compound semiconductor
- 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.)
- Active
Links
- 239000000758 substrate Substances 0.000 title claims description 134
- 239000004065 semiconductor Substances 0.000 title claims description 77
- 150000001875 compounds Chemical class 0.000 title claims description 46
- 239000013078 crystal Substances 0.000 claims description 83
- 239000002019 doping agent Substances 0.000 claims description 82
- 230000007704 transition Effects 0.000 claims description 36
- 150000004767 nitrides Chemical class 0.000 claims description 28
- 230000007423 decrease Effects 0.000 claims description 15
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 7
- 229910052785 arsenic Inorganic materials 0.000 claims description 7
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 7
- 229910052796 boron Inorganic materials 0.000 claims description 7
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052733 gallium Inorganic materials 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
- 229910052787 antimony Inorganic materials 0.000 claims description 3
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 3
- 229910052732 germanium Inorganic materials 0.000 claims description 3
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 60
- 238000000034 method Methods 0.000 description 21
- 230000000694 effects Effects 0.000 description 18
- 238000010586 diagram Methods 0.000 description 11
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 9
- 230000007547 defect Effects 0.000 description 9
- 229910002601 GaN Inorganic materials 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000001947 vapour-phase growth Methods 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 235000012431 wafers Nutrition 0.000 description 2
- 229910002704 AlGaN Inorganic materials 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002109 crystal growth method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 230000005533 two-dimensional electron gas Effects 0.000 description 1
Landscapes
- Crystals, And After-Treatments Of Crystals (AREA)
- Chemical Vapour Deposition (AREA)
Description
本発明の効果が得られなかったものと評価し、スリップを確認できなかった場合は“無”として本発明の効果があったものと評価した。
Claims (3)
- Si単結晶基板と、前記Si単結晶基板の一主面上に形成された化合物半導体からなる中間層と、前記中間層上に形成された化合物半導体からなるデバイス活性層から構成され、前記Si単結晶基板は、前記中間層側の一主面の表面から厚さ方向に向かって平均ドーパント濃度が1×1019atoms/cm3以上1×1021atoms/cm3以下である領域1と、前記領域1に続いて形成されドーパント濃度が連続的に減少する遷移領域1と、前記遷移領域1に続いて形成され平均ドーパント濃度が1×1012atoms/cm3以上5×1017atoms/cm3以下である領域2と、前記領域2に続いて形成されドーパント濃度が連続的に増加する遷移領域2と、前記遷移領域2に続いて前記Si単結晶基板の他主面の表面まで形成され平均ドーパント濃度が1×1019atoms/cm3以上1×1021atoms/cm3以下である領域3とが順次形成され、さらに、前記領域1と前記領域3のそれぞれの厚さが前記Si単結晶基板の全体の厚さに対して15%以上35%以下の範囲であることを特徴とする化合物半導体基板。
- 前記ドーパントは、ボロン(B)、リン(P)、アンチモン(Sb)、ヒ素(As)、アルミニウム(Al)、ガリウム(Ga)、ゲルマニウム(Ge)のうち、いずれか1種類もしくは複数種類であることを特徴とする請求項1に記載の化合物半導体基板。
- 前記中間層および前記デバイス活性層は、アルミニウム(Al)とガリウム(Ga)を含む窒化物半導体からなることを特徴とする請求項1または請求項2に記載の化合物半導体基板。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010197207A JP5384450B2 (ja) | 2010-09-03 | 2010-09-03 | 化合物半導体基板 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010197207A JP5384450B2 (ja) | 2010-09-03 | 2010-09-03 | 化合物半導体基板 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012051774A JP2012051774A (ja) | 2012-03-15 |
JP5384450B2 true JP5384450B2 (ja) | 2014-01-08 |
Family
ID=45905573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010197207A Active JP5384450B2 (ja) | 2010-09-03 | 2010-09-03 | 化合物半導体基板 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5384450B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6108609B2 (ja) * | 2013-04-25 | 2017-04-05 | クアーズテック株式会社 | 窒化物半導体基板 |
JP6101565B2 (ja) * | 2013-05-27 | 2017-03-22 | シャープ株式会社 | 窒化物半導体エピタキシャルウェハ |
JP2014236093A (ja) * | 2013-05-31 | 2014-12-15 | サンケン電気株式会社 | シリコン系基板、半導体装置、及び、半導体装置の製造方法 |
WO2015111915A1 (ko) | 2014-01-22 | 2015-07-30 | 엘지전자 주식회사 | 전력 제어 수행 방법 및 사용자 장치 |
JP6736577B2 (ja) | 2015-03-31 | 2020-08-05 | スウェガン、アクチボラグSwegan Ab | ヘテロ構造体およびその生成方法 |
JP7487726B2 (ja) * | 2021-11-30 | 2024-05-21 | 信越半導体株式会社 | 窒化物半導体基板及びその製造方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2661040A1 (fr) * | 1990-04-13 | 1991-10-18 | Thomson Csf | Procede d'adaptation entre deux materiaux semiconducteurs cristallises, et dispositif semiconducteur. |
JPH11251322A (ja) * | 1998-02-27 | 1999-09-17 | Sony Corp | エピタキシャルシリコン基板及び固体撮像装置並びにこれらの製造方法 |
JP2003218031A (ja) * | 2002-01-28 | 2003-07-31 | Toshiba Ceramics Co Ltd | 半導体ウェーハの製造方法 |
TWI436494B (zh) * | 2005-05-02 | 2014-05-01 | Nichia Corp | Nitride semiconductor components |
JP5158833B2 (ja) * | 2006-03-31 | 2013-03-06 | 古河電気工業株式会社 | 窒化物系化合物半導体装置および窒化物系化合物半導体装置の製造方法。 |
JP5309451B2 (ja) * | 2007-02-19 | 2013-10-09 | サンケン電気株式会社 | 半導体ウエーハ及び半導体素子及び製造方法 |
JP5170859B2 (ja) * | 2007-03-29 | 2013-03-27 | 古河電気工業株式会社 | 基板及びその製造方法 |
JP2009224722A (ja) * | 2008-03-18 | 2009-10-01 | Covalent Materials Corp | 化合物半導体基板 |
JP5053220B2 (ja) * | 2008-09-30 | 2012-10-17 | 古河電気工業株式会社 | 半導体電子デバイスおよび半導体電子デバイスの製造方法 |
JP4519196B2 (ja) * | 2008-11-27 | 2010-08-04 | Dowaエレクトロニクス株式会社 | 電子デバイス用エピタキシャル基板およびその製造方法 |
-
2010
- 2010-09-03 JP JP2010197207A patent/JP5384450B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2012051774A (ja) | 2012-03-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10410859B2 (en) | Epitaxial substrate for semiconductor elements, semiconductor element, and manufacturing method for epitaxial substrates for semiconductor elements | |
EP2498293B1 (en) | Epitaxial substrate for semiconductor element and method for producing epitaxial substrate for semiconductor element | |
US9966259B2 (en) | Silicon-based substrate, semiconductor device, and method for manufacturing semiconductor device | |
JP6473017B2 (ja) | 化合物半導体基板 | |
KR101615822B1 (ko) | 질화물 반도체 소자, 질화물 반도체 웨이퍼, 및 질화물 반도체층의 형성 방법 | |
JP5384450B2 (ja) | 化合物半導体基板 | |
US8969880B2 (en) | Epitaxial substrate and method for manufacturing epitaxial substrate | |
TWI814756B (zh) | 化合物半導體基板 | |
US20150084163A1 (en) | Epitaxial substrate, semiconductor device, and method for manufacturing semiconductor device | |
US20120211763A1 (en) | Nitride semiconductor substrate and method of manufacturing the same | |
TW201923846A (zh) | 用於iii-n半導體通道裝置的半導體結構的形成方法 | |
US9099383B2 (en) | Semiconductor substrate and semiconductor device, and manufacturing method of semiconductor substrate | |
TWI699462B (zh) | Iii族氮化物半導體基板的製造方法 | |
JP2014022685A (ja) | 半導体積層構造およびこれを用いた半導体素子 | |
JP6089122B2 (ja) | 窒化物半導体積層体およびその製造方法並びに窒化物半導体装置 | |
WO2020137501A1 (ja) | 化合物半導体基板 | |
KR102002898B1 (ko) | 반도체 버퍼 구조체 및 이를 포함하는 반도체 소자 | |
JP6108609B2 (ja) | 窒化物半導体基板 | |
JP2014192246A (ja) | 半導体基板およびそれを用いた半導体素子 | |
JP2012182283A (ja) | 半導体装置 | |
JP4726408B2 (ja) | Iii−v族系窒化物半導体素子およびその製造方法 | |
JPWO2017221863A1 (ja) | Iii族窒化物積層体、及び該積層体を備えた縦型半導体デバイス |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20130207 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20130925 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20130930 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20131002 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5384450 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |