KR100513923B1 - 질화물 반도체층을 성장시키는 방법 및 이를 이용하는 질화물 반도체 발광소자 - Google Patents
질화물 반도체층을 성장시키는 방법 및 이를 이용하는 질화물 반도체 발광소자 Download PDFInfo
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- KR100513923B1 KR100513923B1 KR1020040063722A KR20040063722A KR100513923B1 KR 100513923 B1 KR100513923 B1 KR 100513923B1 KR 1020040063722 A KR1020040063722 A KR 1020040063722A KR 20040063722 A KR20040063722 A KR 20040063722A KR 100513923 B1 KR100513923 B1 KR 100513923B1
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- 150000004767 nitrides Chemical class 0.000 title claims abstract description 73
- 239000004065 semiconductor Substances 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 27
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 16
- 239000000758 substrate Substances 0.000 claims description 21
- 229910052738 indium Inorganic materials 0.000 claims description 17
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 17
- 230000004888 barrier function Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 159
- 230000007547 defect Effects 0.000 description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 10
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 8
- 239000010409 thin film Substances 0.000 description 6
- IBEFSUTVZWZJEL-UHFFFAOYSA-N trimethylindium Chemical compound C[In](C)C IBEFSUTVZWZJEL-UHFFFAOYSA-N 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 5
- 238000003795 desorption Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 239000012159 carrier gas Substances 0.000 description 3
- 238000005094 computer simulation Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000004969 ion scattering spectroscopy Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003917 TEM image Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 125000005842 heteroatom Chemical group 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 2
- 229910002704 AlGaN Inorganic materials 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002109 crystal growth method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000024 high-resolution transmission electron micrograph Methods 0.000 description 1
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910003465 moissanite Inorganic materials 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000005424 photoluminescence Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000005428 wave function Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/01—Manufacture or treatment
- H10H20/011—Manufacture or treatment of bodies, e.g. forming semiconductor layers
- H10H20/013—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials
- H10H20/0133—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials with a substrate not being Group III-V materials
- H10H20/01335—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials with a substrate not being Group III-V materials the light-emitting regions comprising nitride materials
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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
- H01L21/02367—Substrates
- H01L21/0237—Materials
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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
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/02387—Group 13/15 materials
- H01L21/02389—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
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/0242—Crystalline insulating materials
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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
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02439—Materials
- H01L21/02455—Group 13/15 materials
- H01L21/02458—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
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02494—Structure
- H01L21/02496—Layer structure
- H01L21/02502—Layer structure consisting of two layers
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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
- H01L21/02521—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
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/0262—Reduction or decomposition of gaseous compounds, e.g. CVD
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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
- H01L21/02656—Special treatments
- H01L21/02658—Pretreatments
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/81—Bodies
- H10H20/811—Bodies having quantum effect structures or superlattices, e.g. tunnel junctions
- H10H20/812—Bodies having quantum effect structures or superlattices, e.g. tunnel junctions within the light-emitting regions, e.g. having quantum confinement structures
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- Power Engineering (AREA)
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- Crystallography & Structural Chemistry (AREA)
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Abstract
Description
Claims (22)
- AlxGayIn1-x-yN (0≤x≤1, 0<y≤1, 0<x+y≤1)층 위에 질화물 반도체층을 성장시키기 위한 소스로서 In 소스와 질소 소스만을 공급하여 상기 질화물 반도체층을 성장시키는 제1 단계;질소 소스만을 공급하고, In 소스의 공급을 중단하여 상기 질화물 반도체층의 두께를 감소시키는 제2 단계; 그리고,두께가 감소된 질화물 반도체층 위에 이 질화물 반도체층보다 높은 밴드갭 에너지를 가지는 추가의 질화물 반도체층을 성장시키는 제3 단계;를 포함하는 것을 특징으로 하는 질화물 반도체층을 성장시키는 방법.
- 제 1 항에 있어서,제1 단계에서 성장된 질화물 반도체층은 In-rich 양자우물층 구조를 가지는 것을 특징으로 하는 질화물 반도체층을 성장시키는 방법.
- 제 1 항에 있어서, 제2 단계에서 두께가 감소된 질화물 반도체층은 양자우물층 구조를 가지는 것을 특징으로 하는 질화물 반도체층을 성장시키는 방법.
- 삭제
- 기판;기판 위에 성장되며, 최상층이 AlxGayIn1-x-yN (0≤x≤1, 0<y≤1, 0<x+y≤1)층인 적어도 하나 이상의 질화물 반도체층;최상층인 AlxGayIn1-x-yN (0≤x≤1, 0<y≤1, 0<x+y≤1)층 위에 성장되며, 성장을 위한 소스로 In 소스와 질소 소스를 사용하여 성장되고, 성장 후 In 소스의 공급을 차단하고 질소 소스만을 공급하는 성장정지를 통해 두께가 감소된 양자우물층; 그리고,두께가 감소된 양자우물층 위에 성장되며, 양자우물층보다 높은 밴드갭 에너지를 가지는 추가의 질화물 반도체층;을 포함하며,상기 양자우물층은 인듐이 풍부한 영역을 포함하며, 최상층인 AlxGayIn1-x-yN (0≤x≤1, 0<y≤1, 0<x+y≤1)층과 인듐이 풍부한 영역 사이에서 인듐의 조성이 증가하는 제1 조성 경사 영역을 가지고, 인듐이 풍부한 영역과 추가의 질화물 반도체층 사이에서 인듐의 조성이 감소하는 제2 조성 경사 영역을 가지는 것을 특징으로 하는 질화물 반도체 발광소자.
- 제 5 항에 있어서, 제1 조성 경사 영역과 제2 조성 경사 영역의 인듐 조성 변화는 비대칭인 것을 특징으로 하는 질화물 반도체 발광소자.
- 삭제
- 제 5 항에 있어서, 양자우물층은 InxGa1-xN로 이루어지며, 양자우물층의 인듐이 풍부한 영역에서 x가 0.6이상인 것을 특징으로 하는 질화물 반도체 발광소자.
- 제 5 항에 있어서, 양자우물층은 InxGa1-xN로 이루어지며, 양자우물층의 인듐이 풍부한 영역에서 x는 0.5이상 0.8이하인 것을 특징으로 하는 질화물 반도체 발광소자.
- 제 5 항에 있어서, 양자우물층은 700℃ 내지 800℃의 온도범위에서 성장되는 것을 특징으로 하는 질화물 반도체 발광소자.
- 제 5 항에 있어서, 양자우물층의 두께는 2nm이하인 것을 특징으로 하는 질화물 반도체 발광소자.
- 삭제
- 제 5 항에 있어서, 양자우물층은 성장 및 성장정지 동안에 온도가 일정하게 유지되는 것을 특징으로 하는 질화물 반도체 발광소자.
- 제 5 항에 있어서, 양자우물층의 성장정지 시간은 60초 이하인 것을 특징으로 하는 질화물 반도체 발광소자.
- 제 5 항에 있어서, 추가의 질화물 반도체층은 AlyGa1-yN (0≤y≤1)로 이루어지는 것을 특징으로 하는 질화물 반도체 발광소자.
- 제 5 항에 있어서, 추가의 질화물 반도체층의 성장온도는 양자우물층의 성장온도와 동일하거나 그 이상인 것을 특징으로 하는 질화물 반도체 발광소자.
- 제 5 항에 있어서, 양자우물층에 접하며, 추가의 질화물 반도체층 보다 밴드갭 에너지가 큰 적어도 하나의 AlyGa1-yN (0≤y≤1) 장벽층을 더 포함하는 것을 특징으로 하는 질화물 반도체 발광소자.
- 제 17 항에 있어서, 적어도 하나의 AlyGa1-yN (0≤y≤1) 장벽층의 두께는 5nm이하인 것을 특징으로 하는 질화물 반도체 발광소자.
- 제 17 항에 있어서, 적어도 하나의 AlyGa1-yN (0≤y≤1) 장벽층과 양자우물층이 교대로 적층되어 다중양자우물구조를 형성하는 것을 특징으로 하는 질화물 반도체 발광소자.
- 삭제
- 제 5 항에 있어서, 최상층인 AlxGayIn1-x-yN (0≤x≤1, 0<y≤1, 0<x+y≤1)층은 GaN인 것을 특징으로 하는 질화물 반도체 발광소자.
- 제 8 항에 있어서, 양자우물층의 인듐이 풍부한 영역에서 x가 0.6이상 0.7 이하인 것을 특징으로 하는 질화물 반도체 발광소자.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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KR1020040063722A KR100513923B1 (ko) | 2004-08-13 | 2004-08-13 | 질화물 반도체층을 성장시키는 방법 및 이를 이용하는 질화물 반도체 발광소자 |
US10/596,126 US7977664B2 (en) | 2004-08-13 | 2004-10-20 | Growth method of nitride semiconductor layer and light emitting device using the growth method |
JP2006545225A JP4719689B2 (ja) | 2004-08-13 | 2004-10-20 | 窒化物半導体層を成長させる方法及びこれを利用する窒化物半導体発光素子 |
DE112004002804T DE112004002804B4 (de) | 2004-08-13 | 2004-10-20 | Züchtungsverfahren für eine dünne In-reiche Nitridhalbleiterschicht sowie UV-Lichtemissionsbauteil mit In-reicher Nitridhalbleiterschicht |
PCT/KR2004/002688 WO2006016731A1 (en) | 2004-08-13 | 2004-10-20 | Growth method of nitride semiconductor layer and light emitting device using the growth method |
US13/151,162 US20120187366A1 (en) | 2004-08-13 | 2011-06-01 | Growth method of nitride semiconductor layer and light emitting device using the growth method |
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KR1020040063722A KR100513923B1 (ko) | 2004-08-13 | 2004-08-13 | 질화물 반도체층을 성장시키는 방법 및 이를 이용하는 질화물 반도체 발광소자 |
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US (2) | US7977664B2 (ko) |
JP (1) | JP4719689B2 (ko) |
KR (1) | KR100513923B1 (ko) |
DE (1) | DE112004002804B4 (ko) |
WO (1) | WO2006016731A1 (ko) |
Cited By (2)
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KR101303031B1 (ko) | 2010-05-04 | 2013-09-03 | 조병구 | 플라즈마 원자층증착법을 이용한 아격자 구조제어기술에 의한 자외선 발광소자용 다성분계 박막 제조방법 및 이를 이용한 양자우물형성방법 |
CN112048710A (zh) * | 2020-09-07 | 2020-12-08 | 湘能华磊光电股份有限公司 | 一种减少led发光波长蓝移量的led外延生长方法 |
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- 2004-10-20 JP JP2006545225A patent/JP4719689B2/ja not_active Expired - Fee Related
- 2004-10-20 US US10/596,126 patent/US7977664B2/en not_active Expired - Lifetime
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2011
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KR101303031B1 (ko) | 2010-05-04 | 2013-09-03 | 조병구 | 플라즈마 원자층증착법을 이용한 아격자 구조제어기술에 의한 자외선 발광소자용 다성분계 박막 제조방법 및 이를 이용한 양자우물형성방법 |
CN112048710A (zh) * | 2020-09-07 | 2020-12-08 | 湘能华磊光电股份有限公司 | 一种减少led发光波长蓝移量的led外延生长方法 |
CN112048710B (zh) * | 2020-09-07 | 2023-09-19 | 湘能华磊光电股份有限公司 | 一种减少led发光波长蓝移量的led外延生长方法 |
Also Published As
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US20120187366A1 (en) | 2012-07-26 |
JP2007515791A (ja) | 2007-06-14 |
US7977664B2 (en) | 2011-07-12 |
DE112004002804B4 (de) | 2013-04-25 |
JP4719689B2 (ja) | 2011-07-06 |
DE112004002804T5 (de) | 2007-01-25 |
US20070075307A1 (en) | 2007-04-05 |
WO2006016731A1 (en) | 2006-02-16 |
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