KR100898553B1 - Ⅲ족 질화물 반도체 소자 - Google Patents
Ⅲ족 질화물 반도체 소자 Download PDFInfo
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- KR100898553B1 KR100898553B1 KR1020067007288A KR20067007288A KR100898553B1 KR 100898553 B1 KR100898553 B1 KR 100898553B1 KR 1020067007288 A KR1020067007288 A KR 1020067007288A KR 20067007288 A KR20067007288 A KR 20067007288A KR 100898553 B1 KR100898553 B1 KR 100898553B1
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- nitride semiconductor
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 258
- 150000004767 nitrides Chemical class 0.000 title claims abstract description 212
- 239000000758 substrate Substances 0.000 claims abstract description 38
- 239000013078 crystal Substances 0.000 claims description 64
- 238000000034 method Methods 0.000 claims description 26
- 229910002704 AlGaN Inorganic materials 0.000 abstract 1
- 229910002601 GaN Inorganic materials 0.000 description 44
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 43
- 238000005253 cladding Methods 0.000 description 21
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 15
- 239000002019 doping agent Substances 0.000 description 13
- 239000010980 sapphire Substances 0.000 description 13
- 229910052594 sapphire Inorganic materials 0.000 description 13
- 239000002994 raw material Substances 0.000 description 12
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 12
- 239000012159 carrier gas Substances 0.000 description 10
- 230000004888 barrier function Effects 0.000 description 8
- 239000011777 magnesium Substances 0.000 description 8
- 239000012535 impurity Substances 0.000 description 7
- 230000031700 light absorption Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000005336 cracking Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- RGGPNXQUMRMPRA-UHFFFAOYSA-N triethylgallium Chemical compound CC[Ga](CC)CC RGGPNXQUMRMPRA-UHFFFAOYSA-N 0.000 description 3
- IBEFSUTVZWZJEL-UHFFFAOYSA-N trimethylindium Chemical compound C[In](C)C IBEFSUTVZWZJEL-UHFFFAOYSA-N 0.000 description 3
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 238000001451 molecular beam epitaxy Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 150000002902 organometallic compounds Chemical class 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 2
- OTRPZROOJRIMKW-UHFFFAOYSA-N triethylindigane Chemical compound CC[In](CC)CC OTRPZROOJRIMKW-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910010093 LiAlO Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910020068 MgAl Inorganic materials 0.000 description 1
- -1 Pentadienyl Chemical group 0.000 description 1
- RNQKDQAVIXDKAG-UHFFFAOYSA-N aluminum gallium Chemical compound [Al].[Ga] RNQKDQAVIXDKAG-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical compound [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 description 1
- JFDAACUVRQBXJO-UHFFFAOYSA-N ethylcyclopentane;magnesium Chemical compound [Mg].CC[C]1[CH][CH][CH][CH]1.CC[C]1[CH][CH][CH][CH]1 JFDAACUVRQBXJO-UHFFFAOYSA-N 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910000078 germane Inorganic materials 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- QHGSGZLLHBKSAH-UHFFFAOYSA-N hydridosilicon Chemical compound [SiH] QHGSGZLLHBKSAH-UHFFFAOYSA-N 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000004627 transmission electron microscopy Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 238000001947 vapour-phase growth Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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- H01S5/32341—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser emitting light at a wavelength less than 900 nm blue laser based on GaN or GaP
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Abstract
Description
Claims (15)
- 삭제
- 삭제
- 삭제
- 기판;상기 기판상에 형성되는 AlN으로 이루어지고, 0.005∼0.5㎛의 두께를 갖는 제 1 질화물 반도체 층;상기 제 1 질화물 반도체 층상에 형성되는 Alx1Ga1-x1N(0≤x1≤0.1)으로 이루어진 제 2 질화물 반도체 층; 및상기 제 2 질화물 반도체 층상에 형성되는 Alx2Ga1-x2N(0<x2<1 및 x1+0.02≤x2)으로 이루어진 제 3 질화물 반도체 층을 포함하며,상기 제 2 질화물 반도체 층의 구조는 다른 높이의 결정이 배열되어 서로 분리된 도상 구조인 것을 특징으로 하는 Ⅲ족 질화물 반도체 소자.
- 기판;상기 기판상에 형성되는 AlN으로 이루어지고, 0.005∼0.5㎛의 두께를 갖는 제 1 질화물 반도체 층;상기 제 1 질화물 반도체 층상에 형성되는 Alx1Ga1-x1N(0≤x1≤0.1)으로 이루어진 제 2 질화물 반도체 층; 및상기 제 2 질화물 반도체 층상에 형성되는 Alx2Ga1-x2N(0<x2<1 및 x1+0.02≤x2)으로 이루어진 제 3 질화물 반도체 층을 포함하며,상기 제 2 질화물 반도체 층은 낮은 Al 함유량을 갖는 영역과 높은 Al 함유량을 갖는 영역을 포함하는 것을 특징으로 하는 Ⅲ족 질화물 반도체 소자.
- 기판;상기 기판상에 형성되는 AlN으로 이루어지고, 0.005∼0.5㎛의 두께를 갖는 제 1 질화물 반도체 층;상기 제 1 질화물 반도체 층상에 형성되는 Alx1Ga1-x1N(0≤x1≤0.05)으로 이루어진 제 2 질화물 반도체 층; 및상기 제 2 질화물 반도체 층상에 형성되는 Alx2Ga1-x2N(0<x2<1 및 x1+0.02≤x2)으로 이루어진 제 3 질화물 반도체 층을 포함하는 것을 특징으로 하는 Ⅲ족 질화물 반도체 소자.
- 제 6 항에 있어서,상기 제 2 질화물 반도체 층은 Alx1Ga1-x1N(0≤x1≤0.02)으로 이루어지는 것을 특징으로 하는 Ⅲ족 질화물 반도체 소자.
- 기판;상기 기판상에 형성되는 AlN으로 이루어지고, 0.005∼0.5㎛의 두께를 갖는 제 1 질화물 반도체 층;상기 제 1 질화물 반도체 층상에 형성되는 Alx1Ga1-x1N(0≤x1≤0.1)으로 이루어진 제 2 질화물 반도체 층; 및상기 제 2 질화물 반도체 층상에 형성되는 Alx2Ga1-x2N(0<x2<1 및 x1+0.02≤x2)으로 이루어진 제 3 질화물 반도체 층을 포함하며,상기 제 2 질화물 반도체 층은 1∼500㎚의 두께를 가지는 것을 특징으로 하는 Ⅲ족 질화물 반도체 소자.
- 제 8 항에 있어서,상기 제 2 질화물 반도체 층은 1∼400㎚의 두께를 가지는 것을 특징으로 하는 Ⅲ족 질화물 반도체 소자.
- 제 9 항에 있어서,상기 제 2 질화물 반도체 층은 1∼300㎚의 두께를 가지는 것을 특징으로 하는 Ⅲ족 질화물 반도체 소자.
- 기판;상기 기판상에 형성되는 AlN으로 이루어지고, 0.005∼0.5㎛의 두께를 갖는 제 1 질화물 반도체 층;상기 제 1 질화물 반도체 층상에 형성되는 Alx1Ga1-x1N(0≤x1≤0.1)으로 이루어진 제 2 질화물 반도체 층; 및상기 제 2 질화물 반도체 층상에 형성되는 Alx2Ga1-x2N(0<x2<1 및 x1+0.02≤x2)으로 이루어진 제 3 질화물 반도체 층을 포함하며,상기 제 2 질화물 반도체 층은 언도프 반도체인 것을 특징으로 하는 Ⅲ족 질화물 반도체 소자.
- 제 4 항 내지 제 11 항 중 어느 한 항에 기재된 Ⅲ족 질화물 반도체 소자;상기 반도체 소자의 제 3 질화물 반도체 층상에 형성된 제 4 질화물 반도체 층으로서, 상기 제 3 질화물 반도체 층의 상부에 그 순서로 연속 형성된 n형층, 발광층, 및 p형층을 포함하는 제 4 질화물 반도체 층;상기 n형층에 형성된 음전극; 및상기 p형층에 형성된 양전극을 포함하는 것을 특징으로 하는 Ⅲ족 질화물 반도체 발광 소자.
- 제 12 항에 기재된 Ⅲ족 질화물 반도체 발광 소자를 포함하는 발광 다이오드.
- 제 12 항에 기재된 Ⅲ족 질화물 반도체 발광 소자를 포함하는 레이저 다이오드.
- 제 4 항 내지 제 11 항 중 어느 한 항에 기재된 Ⅲ족 질화물 반도체 소자를 포함하는 반도체 디바이스.
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KR100661709B1 (ko) * | 2004-12-23 | 2006-12-26 | 엘지이노텍 주식회사 | 질화물 반도체 발광소자 및 그 제조방법 |
TWI245440B (en) * | 2004-12-30 | 2005-12-11 | Ind Tech Res Inst | Light emitting diode |
KR100616686B1 (ko) * | 2005-06-10 | 2006-08-28 | 삼성전기주식회사 | 질화물계 반도체 장치의 제조 방법 |
DE102005035722B9 (de) | 2005-07-29 | 2021-11-18 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Optoelektronischer Halbleiterchip und Verfahren zu dessen Herstellung |
JP2008109084A (ja) * | 2006-09-26 | 2008-05-08 | Showa Denko Kk | Iii族窒化物化合物半導体発光素子の製造方法、及びiii族窒化物化合物半導体発光素子、並びにランプ |
JP2008177525A (ja) * | 2006-12-20 | 2008-07-31 | Showa Denko Kk | Iii族窒化物半導体発光素子の製造方法、及びiii族窒化物半導体発光素子、並びにランプ |
US8080833B2 (en) * | 2007-01-26 | 2011-12-20 | Crystal Is, Inc. | Thick pseudomorphic nitride epitaxial layers |
KR100849785B1 (ko) * | 2007-02-09 | 2008-07-31 | 삼성전기주식회사 | 플립칩형 반도체 수광소자 어레이 및 그 제조 방법 |
JP5095253B2 (ja) | 2007-03-30 | 2012-12-12 | 富士通株式会社 | 半導体エピタキシャル基板、化合物半導体装置、およびそれらの製造方法 |
US8686396B2 (en) | 2007-05-08 | 2014-04-01 | Nitek, Inc. | Non-polar ultraviolet light emitting device and method for fabricating same |
KR101316423B1 (ko) * | 2007-08-09 | 2013-10-08 | 엘지이노텍 주식회사 | 반도체 발광소자 및 그 제조방법 |
DE102009060749B4 (de) * | 2009-12-30 | 2021-12-30 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Optoelektronischer Halbleiterchip |
GB2485418B (en) * | 2010-11-15 | 2014-10-01 | Dandan Zhu | Semiconductor materials |
KR102002898B1 (ko) * | 2012-09-04 | 2019-07-23 | 삼성전자 주식회사 | 반도체 버퍼 구조체 및 이를 포함하는 반도체 소자 |
CN103280503B (zh) * | 2013-05-23 | 2017-02-08 | 台州市一能科技有限公司 | 半导体器件 |
KR102122846B1 (ko) * | 2013-09-27 | 2020-06-15 | 서울바이오시스 주식회사 | 질화물 반도체 성장 방법, 이를 이용한 반도체 제조용 템플릿 제조 방법 및 반도체 발광 소자 제조 방법 |
KR102070092B1 (ko) * | 2014-01-09 | 2020-01-29 | 삼성전자주식회사 | 반도체 발광소자 |
GB2522407A (en) * | 2014-01-13 | 2015-07-29 | Seren Photonics Ltd | Semiconductor devices and fabrication methods |
JP2015176936A (ja) * | 2014-03-13 | 2015-10-05 | 株式会社東芝 | 半導体装置 |
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CN100490190C (zh) | 2009-05-20 |
WO2005036658A1 (en) | 2005-04-21 |
EP1673815B1 (en) | 2019-06-05 |
EP1673815A1 (en) | 2006-06-28 |
KR20060096046A (ko) | 2006-09-05 |
CN1868070A (zh) | 2006-11-22 |
US8134168B2 (en) | 2012-03-13 |
US20070126009A1 (en) | 2007-06-07 |
EP1673815A4 (en) | 2010-09-22 |
TWI309894B (en) | 2009-05-11 |
TW200520265A (en) | 2005-06-16 |
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