KR100765386B1 - 질화 갈륨계 화합물 반도체 및 이의 제조 방법 - Google Patents
질화 갈륨계 화합물 반도체 및 이의 제조 방법 Download PDFInfo
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- KR100765386B1 KR100765386B1 KR20050135763A KR20050135763A KR100765386B1 KR 100765386 B1 KR100765386 B1 KR 100765386B1 KR 20050135763 A KR20050135763 A KR 20050135763A KR 20050135763 A KR20050135763 A KR 20050135763A KR 100765386 B1 KR100765386 B1 KR 100765386B1
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- Prior art keywords
- film
- buffer layer
- gallium nitride
- substrate
- compound semiconductor
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- 229910002601 GaN Inorganic materials 0.000 title claims abstract description 65
- 239000004065 semiconductor Substances 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 title claims description 10
- 150000001875 compounds Chemical class 0.000 title claims description 4
- 239000000872 buffer Substances 0.000 claims abstract description 49
- 239000000758 substrate Substances 0.000 claims abstract description 40
- -1 gallium nitride compound Chemical class 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 9
- HJUGFYREWKUQJT-UHFFFAOYSA-N tetrabromomethane Chemical compound BrC(Br)(Br)Br HJUGFYREWKUQJT-UHFFFAOYSA-N 0.000 claims description 22
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 claims description 7
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 claims description 7
- DIIIISSCIXVANO-UHFFFAOYSA-N 1,2-Dimethylhydrazine Chemical compound CNNC DIIIISSCIXVANO-UHFFFAOYSA-N 0.000 claims description 6
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 6
- 230000007547 defect Effects 0.000 abstract description 10
- 150000002739 metals Chemical class 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 56
- 239000013078 crystal Substances 0.000 description 13
- 229910052594 sapphire Inorganic materials 0.000 description 10
- 239000010980 sapphire Substances 0.000 description 10
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- 230000012010 growth Effects 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910002704 AlGaN Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 2
- VNWKTOKETHGBQD-YPZZEJLDSA-N carbane Chemical compound [10CH4] VNWKTOKETHGBQD-YPZZEJLDSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 2
- 229910052984 zinc sulfide Inorganic materials 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007773 growth pattern Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000001947 vapour-phase growth Methods 0.000 description 1
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Abstract
Description
Claims (7)
- 기판;상기 기판상에 유기 금속을 각 성분의 소스로 이용하여 증착된 SiCAlN막 및 SiCN:H막 중 적어도 어느 하나의 막을 포함하는 버퍼층; 및상기 버퍼층 상에 형성된 질화 갈륨계 반도체층을 포함하는 질화 갈륨계 화합물 반도체.
- 삭제
- 청구항 1에 있어서,상기 버퍼층의 Si 소스로 테트라에속실란(Tetraethoxysilane)을 사용하고, C 소스로는 카본 테트라브로마이드(Carbon Tetrabromide)를 사용하고, Al 소스로는 트리메틸 알루미늄(Trimethyl aluminum) 또는 트리에틸 알루미늄(Triethyl aluminum)을 사용하고, N 소스로는 디메틸하이드라이진(Dimethylhydrizine) 또는 티부틸알미네(T-buthylamine)를 사용하는 질화 갈륨계 화합물 반도체.
- 청구항 1 또는 청구항 3에 있어서, 상기 질화 갈륨계 반도체층은,도핑되지 않은 GaN막;상기 도핑되지 않은 GaN막 상에 형성된 N타입 도핑된 n-GaN막;상기 N타입 도핑된 n-GaN막 상에 형성된 다중양자우물구조의 활성층; 및상기 활성층 상에 형성된 P타입 도핑된 p-GaN막을 포함하는 질화 갈륨계 화합물 반도체.
- 기판상에 유기 금속을 각 성분의 소스로 이용하여 SiCAlN막 및 SiCN:H막 중 적어도 어느 하나의 막을 포함하는 버퍼층을 형성하는 단계; 및상기 버퍼층 상에 질화 갈륨계 반도체층을 형성하는 단계를 포함하는 질화 갈륨계 화합물 반도체 제조 방법.
- 청구항 5에 있어서, 상기 버퍼층을 형성하는 단계는,섭씨 400 내지 1300도의 온도와 10 내지 760torr의 압력 하에서 5 내지 100μmol/min의 테트라에속실란과, 5 내지 100μmol/min의 카본 테트라브로마이드와, 10 내지 200μmol/min의 트리메틸 알루미늄 또는 트리에틸 알루미늄과, 10 내지 200μmol/min의 디메틸하이드라이진 또는 티부틸알미네를 이용하여, 20 내지 800Å두께의 SiCAlN막을 형성하는 질화 갈륨계 화합물 반도체 제조 방법.
- 청구항 5에 있어서, 상기 버퍼층을 형성하는 단계는,섭씨 400 내지 1300도의 온도와 10 내지 760torr의 압력 하에서 5 내지 100μmol/min의 테트라에속실란과, 5 내지 100μmol/min의 카본 테트라브로마이드와, 10 내지 200μmol/min의 디메틸하이드라이진 또는 티부틸알미네를 이용하여, 20 내지 800Å두께의 SiCN:H막을 형성하는 질화 갈륨계 화합물 반도체 제조 방법.
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KR20050135763A KR100765386B1 (ko) | 2005-12-30 | 2005-12-30 | 질화 갈륨계 화합물 반도체 및 이의 제조 방법 |
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KR20050135763A KR100765386B1 (ko) | 2005-12-30 | 2005-12-30 | 질화 갈륨계 화합물 반도체 및 이의 제조 방법 |
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KR20070071915A KR20070071915A (ko) | 2007-07-04 |
KR100765386B1 true KR100765386B1 (ko) | 2007-10-10 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101006480B1 (ko) | 2008-09-08 | 2011-01-06 | 서울대학교산학협력단 | 반도체 박막 구조 및 그 형성 방법 |
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WO2014104419A1 (ko) * | 2012-12-26 | 2014-07-03 | (주)버티클 | 반도체 소자 및 그 제조 방법 |
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- 2005-12-30 KR KR20050135763A patent/KR100765386B1/ko not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101006480B1 (ko) | 2008-09-08 | 2011-01-06 | 서울대학교산학협력단 | 반도체 박막 구조 및 그 형성 방법 |
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