KR20040012861A - 바나듐이 우세하지 않은 반절연 실리콘 카바이드 - Google Patents
바나듐이 우세하지 않은 반절연 실리콘 카바이드 Download PDFInfo
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- KR20040012861A KR20040012861A KR10-2003-7015400A KR20037015400A KR20040012861A KR 20040012861 A KR20040012861 A KR 20040012861A KR 20037015400 A KR20037015400 A KR 20037015400A KR 20040012861 A KR20040012861 A KR 20040012861A
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- silicon carbide
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/10—Semiconductor bodies
- H10F77/12—Active materials
- H10F77/122—Active materials comprising only Group IV materials
- H10F77/1226—Active materials comprising only Group IV materials comprising multiple Group IV elements, e.g. SiC
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/80—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials
- H10D62/83—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group IV materials, e.g. B-doped Si or undoped Ge
- H10D62/832—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group IV materials, e.g. B-doped Si or undoped Ge being Group IV materials comprising two or more elements, e.g. SiGe
- H10D62/8325—Silicon carbide
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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
- C30B23/00—Single-crystal growth by condensing evaporated or sublimed materials
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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
- C30B29/36—Carbides
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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
- C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/40—FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels
- H10D30/47—FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels having 2D charge carrier gas channels, e.g. nanoribbon FETs or high electron mobility transistors [HEMT]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/80—FETs having rectifying junction gate electrodes
- H10D30/87—FETs having Schottky gate electrodes, e.g. metal-semiconductor FETs [MESFET]
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- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Junction Field-Effect Transistors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Inorganic Insulating Materials (AREA)
- Ceramic Products (AREA)
Abstract
Description
Claims (15)
- 반절연 실리콘 카바이드 단결정에 있어서,상기 실리콘 카바이드 단결정 내의 도너 도판트(donor dopants), 어셉터 도판트(acceptor dopants), 및 진성 점결함(intrinsic point defects)을 포함하며,제1 전도형의 도판트의 수가 제2 전도형의 도판트의 수보다 크며,우세한 상기 제1 전도형 도판트를 보상하는 역할을 하는 상기 실리콘 카바이드 단결정 내의 상기 진성 점결함의 수는 상기 제1 전도형의 도판트가 상기 제2 전도형의 도판트보다 우세한 수치적 차이(numerical difference)보다 크며,전이 원소의 농도는 1E16 미만이며,상기 실리콘 카바이드 단결정은 실온에서 적어도 5000 Ω-cm의 저항률을 갖는반절연 실리콘 카바이드 단결정.
- 반절연 벌크 실리콘 카바이드 단결정에 있어서,실온에서 적어도 5000 Ω-cm의 저항률, 및 상기 단결정의 전기적 특성에 영향을 미치는 양보다 낮은 가전자대(valence band)나 전도대(conduction band)로부터 적어도 700 meV 상태를 생성하는 트래핑 원소들(trapping elements)의 농도를 갖는 반절연 벌크 실리콘 카바이드 단결정.
- 제1항 또는 제2항에 있어서, 1 × 1017cm-3미만의 질소 원자의 농도를 갖는 실리콘 카바이드 단결정.
- 제1항 또는 제2항에 있어서, 바나듐(vanadium)의 농도는 1 × 1016cm-3미만인 실리콘 카바이드 단결정.
- 제1항에 있어서, 상기 제1 전도형 도판트는 도너이고, 제2 전도형 도판트는 어셉터이며, 상기 진성 점결함은 어셉터의 역할을 하는 반절연 실리콘 카바이드 단결정.
- 제5항에 있어서, 상기 어셉터는 붕소를 포함하는 반절연 실리콘 카바이드 단결정.
- 제1항에 있어서, 상기 제1 전도형 도판트는 어셉터이고, 제2 전도형 도판트는 도너이며, 상기 진성 점결함은 도너의 역할을 하는 반절연 실리콘 카바이드 단결정.
- 제1항 또는 제2항에 있어서, 상기 실리콘 카바이드의 폴리타입(polytype)은 3C, 4H, 6H 및 15R 폴리타입으로 이루어지는 군으로부터 선택되는 실리콘 카바이드단결정.
- 제1항 또는 제2항에 있어서, 질소의 농도는 1 × 1016cm-3이하인 실리콘 카바이드 단결정.
- 제1항 또는 제2항에 있어서, 바나듐의 농도는 2차 이온 질량분석법(SIMS)에 의해 검출될 수 있는 레벨 미만인 실리콘 카바이드 단결정.
- 제1항 또는 제2항에 있어서, 바나듐의 농도는 1 × 1014cm-3미만인 실리콘 카바이드 단결정.
- 제1항 또는 제2항에 있어서, 실온에서 적어도 10,000 Ω-cm의 저항률을 갖는 실리콘 카바이드 단결정.
- 제1항 또는 제2항에 있어서, 실온에서 적어도 50,000 Ω-cm의 저항률을 갖는 실리콘 카바이드 단결정.
- 제1항 또는 제2항에 따른 벌크 단결정을 포함하는 기판을 구비하는 트랜지스터.
- 제14항에 있어서, 금속 반도체 전계 효과 트랜지스터(metal-semiconductor field-effect transistors), 금속 절연체 전계 효과 트랜지스터(metal-insulator field effect transistor) 및 고 전자 이동도 트랜지스터(high electron mobility transistor)로 이루어지는 군으로부터 선택되는 트랜지스터.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/866,129 | 2001-05-25 | ||
US09/866,129 US6396080B2 (en) | 1999-05-18 | 2001-05-25 | Semi-insulating silicon carbide without vanadium domination |
PCT/US2002/016274 WO2002097173A2 (en) | 2001-05-25 | 2002-05-23 | Semi-insulating silicon carbide without vanadium domination |
Publications (1)
Publication Number | Publication Date |
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KR20040012861A true KR20040012861A (ko) | 2004-02-11 |
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Application Number | Title | Priority Date | Filing Date |
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KR10-2003-7015400A KR20040012861A (ko) | 2001-05-25 | 2002-05-23 | 바나듐이 우세하지 않은 반절연 실리콘 카바이드 |
Country Status (11)
Country | Link |
---|---|
US (1) | US6396080B2 (ko) |
EP (1) | EP1392895B1 (ko) |
JP (1) | JP4309247B2 (ko) |
KR (1) | KR20040012861A (ko) |
CN (1) | CN100483739C (ko) |
AT (1) | ATE301205T1 (ko) |
AU (1) | AU2002344217A1 (ko) |
CA (1) | CA2446818A1 (ko) |
DE (1) | DE60205369T2 (ko) |
ES (1) | ES2243764T3 (ko) |
WO (1) | WO2002097173A2 (ko) |
Cited By (1)
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JP2002506569A (ja) * | 1997-06-23 | 2002-02-26 | ジェームズ・アルバート・クーパー,ジュニア | 広いバンドギャップの半導体におけるパワー・デバイス |
US6218680B1 (en) | 1999-05-18 | 2001-04-17 | Cree, Inc. | Semi-insulating silicon carbide without vanadium domination |
-
2001
- 2001-05-25 US US09/866,129 patent/US6396080B2/en not_active Expired - Lifetime
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2002
- 2002-05-23 KR KR10-2003-7015400A patent/KR20040012861A/ko not_active Application Discontinuation
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- 2002-05-23 ES ES02774112T patent/ES2243764T3/es not_active Expired - Lifetime
- 2002-05-23 CN CNB028105567A patent/CN100483739C/zh not_active Expired - Lifetime
- 2002-05-23 CA CA002446818A patent/CA2446818A1/en not_active Abandoned
- 2002-05-23 DE DE60205369T patent/DE60205369T2/de not_active Expired - Lifetime
- 2002-05-23 EP EP02774112A patent/EP1392895B1/en not_active Expired - Lifetime
- 2002-05-23 AU AU2002344217A patent/AU2002344217A1/en not_active Abandoned
- 2002-05-23 JP JP2003500330A patent/JP4309247B2/ja not_active Expired - Lifetime
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20200044730A (ko) * | 2018-10-16 | 2020-04-29 | 에스아이씨씨 컴퍼니 리미티드 | 고순도 탄화규소 단결정 기판 및 그 제조 방법, 응용 |
Also Published As
Publication number | Publication date |
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CA2446818A1 (en) | 2002-12-05 |
CN100483739C (zh) | 2009-04-29 |
EP1392895A2 (en) | 2004-03-03 |
WO2002097173A3 (en) | 2003-04-17 |
WO2002097173A2 (en) | 2002-12-05 |
JP2005508821A (ja) | 2005-04-07 |
US6396080B2 (en) | 2002-05-28 |
EP1392895B1 (en) | 2005-08-03 |
ATE301205T1 (de) | 2005-08-15 |
DE60205369T2 (de) | 2006-05-24 |
DE60205369D1 (de) | 2005-09-08 |
AU2002344217A1 (en) | 2002-12-09 |
CN1695253A (zh) | 2005-11-09 |
ES2243764T3 (es) | 2005-12-01 |
US20010023945A1 (en) | 2001-09-27 |
JP4309247B2 (ja) | 2009-08-05 |
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