JP6705962B2 - Ga2O3系結晶膜の成長方法及び結晶積層構造体 - Google Patents
Ga2O3系結晶膜の成長方法及び結晶積層構造体 Download PDFInfo
- Publication number
- JP6705962B2 JP6705962B2 JP2016111972A JP2016111972A JP6705962B2 JP 6705962 B2 JP6705962 B2 JP 6705962B2 JP 2016111972 A JP2016111972 A JP 2016111972A JP 2016111972 A JP2016111972 A JP 2016111972A JP 6705962 B2 JP6705962 B2 JP 6705962B2
- Authority
- JP
- Japan
- Prior art keywords
- crystal film
- based crystal
- cell
- crystal
- undoped
- 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
- 239000013078 crystal Substances 0.000 title claims description 225
- 238000000034 method Methods 0.000 title claims description 49
- QZQVBEXLDFYHSR-UHFFFAOYSA-N gallium(III) oxide Inorganic materials O=[Ga]O[Ga]=O QZQVBEXLDFYHSR-UHFFFAOYSA-N 0.000 title 1
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 claims description 172
- 239000000758 substrate Substances 0.000 claims description 48
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 18
- 150000001875 compounds Chemical class 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002019 doping agent Substances 0.000 description 31
- 229910052710 silicon Inorganic materials 0.000 description 11
- 238000009826 distribution Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 9
- 239000002994 raw material Substances 0.000 description 8
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 6
- 229910052733 gallium Inorganic materials 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 229910006404 SnO 2 Inorganic materials 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000004549 pulsed laser deposition Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005231 Edge Defined Film Fed Growth Methods 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000002109 crystal growth method Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003887 surface segregation Methods 0.000 description 1
- 238000000927 vapour-phase epitaxy Methods 0.000 description 1
Images
Classifications
-
- 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
- C30B23/02—Epitaxial-layer growth
- C30B23/06—Heating of the deposition chamber, the substrate or the materials to be evaporated
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
- C23C14/28—Vacuum evaporation by wave energy or particle radiation
-
- 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
- C30B23/02—Epitaxial-layer growth
- C30B23/025—Epitaxial-layer growth characterised by the substrate
-
- 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
- C30B23/02—Epitaxial-layer growth
- C30B23/06—Heating of the deposition chamber, the substrate or the materials to be evaporated
- C30B23/066—Heating of the material to be evaporated
-
- 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
- C30B29/16—Oxides
-
- 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
- H01L21/02414—Oxide semiconducting materials not being Group 12/16 materials, e.g. ternary compounds
-
- 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
- H01L21/02483—Oxide semiconducting materials not being Group 12/16 materials, e.g. ternary compounds
-
- 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
- H01L21/02565—Oxide semiconducting materials not being Group 12/16 materials, e.g. ternary compounds
-
- 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
- H01L21/0257—Doping during depositing
- H01L21/02573—Conductivity type
- H01L21/02576—N-type
-
- 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
- H01L21/0257—Doping during depositing
- H01L21/02584—Delta-doping
-
- 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
- H01L21/02631—Physical deposition at reduced pressure, e.g. MBE, sputtering, evaporation
-
- 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
- H10D62/60—Impurity distributions or concentrations
-
- 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
- H10D62/60—Impurity distributions or concentrations
- H10D62/605—Planar doped, e.g. atomic-plane doped or delta-doped
-
- 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
-
- 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]
- H10D30/471—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT]
- H10D30/475—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT] having wider bandgap layer formed on top of lower bandgap active layer, e.g. undoped barrier HEMTs such as i-AlGaN/GaN HEMTs
- H10D30/4755—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT] having wider bandgap layer formed on top of lower bandgap active layer, e.g. undoped barrier HEMTs such as i-AlGaN/GaN HEMTs having wide bandgap charge-carrier supplying layers, e.g. modulation doped HEMTs such as n-AlGaAs/GaAs HEMTs
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)
- Physical Vapour Deposition (AREA)
Description
(Ga2O3系結晶膜)
図1は、第1の実施の形態に係るGa2O3系結晶基板及びGa2O3系結晶膜の垂直断面図である。
図2は、Ga2O3系結晶膜の成長に用いられるMBE装置の構成の一例を示す。このMBE装置3は、真空槽10と、この真空槽10内に支持され、Ga2O3系結晶基板2を保持する基板ホルダ11と、基板ホルダ11に保持されたGa2O3系結晶基板2を加熱するための加熱装置12と、Ga2O3系結晶膜1を構成する原子の原料が充填された複数のセル13(13a、13b、13c)と、セル13を加熱するためのヒータ14(14a、14b、14c)と、真空槽10内に酸素系ガスを供給するガス供給パイプ15と、真空槽10内の空気を排出するための真空ポンプ16とを備えている。基板ホルダ11は、シャフト110を介して図示しないモータにより回転可能に構成されている。
第2の実施の形態は、Si含有蒸気を発生させる方法において、第1の実施の形態と異なる。その他の点については第1の実施の形態と同様であるため、説明を省略又は簡略化する。
第3の実施の形態は、第1、2の実施の形態に係るGa2O3系結晶膜の成長方法を用いて形成される結晶積層構造体についての形態である。
上記第1及び第2の実施の形態によれば、ドーパントの濃度を高い精度で制御し、かつドーパントの濃度分布の均一性を高めることができる、MBE法によるGa2O3系結晶膜の成長方法を提供することができる。また、上記第3の実施の形態によれば、第1及び第2の実施の形態に係るGa2O3系結晶膜の成長方法を用いることにより、Siが添加された薄いGa2O3系結晶膜が2枚のアンドープGa2O3系結晶膜に挟まれた積層構造を含む結晶積層構造体を提供することができる。
Claims (5)
- MBE法により、導電性を有するGa2O3系結晶膜を成長させるGa2O3系結晶膜の成長方法であって、
Ga蒸気及びSi含有蒸気を発生させ、分子線としてGa2O3系結晶基板の表面に供給して、Siを含むGa2O3系単結晶膜を成長させる工程を含み、
Si又はSi化合物とGaとを接触させた状態で加熱することにより、前記Si含有蒸気を発生させる、
Ga2O3系結晶膜の成長方法。 - 前記Si化合物が、SiO2からなるMBE装置のセルであり、
前記セル中に前記Gaを収容し、前記セルと前記Gaとを接触させた状態で加熱することにより、前記Si含有蒸気を発生させる、
請求項1に記載のGa2O3系結晶膜の成長方法。 - MBE装置のセル中に前記Si又は前記Si化合物と前記Gaを収容し、前記Si又は前記Si化合物と前記Gaとを接触させた状態で加熱することにより、前記Si含有蒸気を発生させる、
請求項1に記載のGa2O3系結晶膜の成長方法。 - 前記Si化合物が、SiO、SiO2、又はこれらの混合物である、
請求項3に記載のGa2O3系結晶膜の成長方法。 - Ga2O3系結晶基板と、
前記Ga2O3系結晶基板上に形成されたアンドープGa2O3系結晶膜と、
前記アンドープGa2O3系結晶膜上に直接形成された第1のアンドープ(AlGa)2O3結晶膜と、
前記アンドープ(AlGa)2O3結晶膜上に直接形成され、10nm以下の厚さを有し、3.0×1017/cm3以上かつ3.5×1019/cm3以下の濃度のSiを含む(AlGa)2O3結晶膜と、
前記(AlGa)2O3結晶膜上に直接形成された第2のアンドープ(AlGa)2O3結晶膜と、
を有する、結晶積層構造体。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016111972A JP6705962B2 (ja) | 2016-06-03 | 2016-06-03 | Ga2O3系結晶膜の成長方法及び結晶積層構造体 |
US15/611,952 US10358742B2 (en) | 2016-06-03 | 2017-06-02 | Ga2O3-based crystal film, and crystal multilayer structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016111972A JP6705962B2 (ja) | 2016-06-03 | 2016-06-03 | Ga2O3系結晶膜の成長方法及び結晶積層構造体 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020063025A Division JP6846754B2 (ja) | 2020-03-31 | 2020-03-31 | 結晶積層構造体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017218334A JP2017218334A (ja) | 2017-12-14 |
JP6705962B2 true JP6705962B2 (ja) | 2020-06-03 |
Family
ID=60482172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016111972A Active JP6705962B2 (ja) | 2016-06-03 | 2016-06-03 | Ga2O3系結晶膜の成長方法及び結晶積層構造体 |
Country Status (2)
Country | Link |
---|---|
US (1) | US10358742B2 (ja) |
JP (1) | JP6705962B2 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7008293B2 (ja) * | 2017-04-27 | 2022-01-25 | 国立研究開発法人情報通信研究機構 | Ga2O3系半導体素子 |
WO2019155444A1 (en) * | 2018-02-12 | 2019-08-15 | King Abdullah University Of Science And Technology | Semiconductor devices with two iii‑oxide layers having different phases and method of production |
CN111106167A (zh) * | 2019-11-27 | 2020-05-05 | 太原理工大学 | 一种择优取向的Ga2O3和SnO2混相膜基传感器的制备方法 |
KR102201924B1 (ko) | 2020-08-13 | 2021-01-11 | 한국세라믹기술원 | 도펀트 활성화 기술을 이용한 전력반도체용 갈륨옥사이드 박막 제조 방법 |
CN114059173B (zh) * | 2022-01-17 | 2022-04-01 | 浙江大学杭州国际科创中心 | 一种制备氧化镓料棒的装置及方法 |
WO2024054339A2 (en) * | 2022-08-18 | 2024-03-14 | Ohio State Innovation Foundation | Compositions, methods, and devices |
JP2025019751A (ja) * | 2023-07-28 | 2025-02-07 | 国立大学法人東海国立大学機構 | 窒化ガリウムの製造方法、窒化ガリウムの気相成長装置および窒化ガリウム基板 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005235961A (ja) * | 2004-02-18 | 2005-09-02 | Univ Waseda | Ga2O3系単結晶の導電率制御方法 |
US9142623B2 (en) * | 2011-09-08 | 2015-09-22 | Tamura Corporation | Substrate for epitaxial growth, and crystal laminate structure |
WO2013035841A1 (ja) * | 2011-09-08 | 2013-03-14 | 株式会社タムラ製作所 | Ga2O3系HEMT |
EP2800128A4 (en) | 2011-11-29 | 2015-02-25 | Tamura Seisakusho Kk | PROCESS FOR PRODUCING A CRYSTALLINE FILM OF GA2O3 |
US20140132970A1 (en) * | 2012-11-09 | 2014-05-15 | Xerox International Partners | Networked printing systems |
JP6142357B2 (ja) * | 2013-03-01 | 2017-06-07 | 株式会社タムラ製作所 | Ga2O3系単結晶体のドナー濃度制御方法、及びオーミックコンタクト形成方法 |
JP5984069B2 (ja) * | 2013-09-30 | 2016-09-06 | 株式会社タムラ製作所 | β−Ga2O3系単結晶膜の成長方法、及び結晶積層構造体 |
EP2942803B1 (en) * | 2014-05-08 | 2019-08-21 | Flosfia Inc. | Crystalline multilayer structure and semiconductor device |
-
2016
- 2016-06-03 JP JP2016111972A patent/JP6705962B2/ja active Active
-
2017
- 2017-06-02 US US15/611,952 patent/US10358742B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20170350037A1 (en) | 2017-12-07 |
US10358742B2 (en) | 2019-07-23 |
JP2017218334A (ja) | 2017-12-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6705962B2 (ja) | Ga2O3系結晶膜の成長方法及び結晶積層構造体 | |
US11982016B2 (en) | Method for growing beta-Ga2O3-based single crystal film, and crystalline layered structure | |
US9657410B2 (en) | Method for producing Ga2O3 based crystal film | |
CN103781948B (zh) | 晶体层叠结构体及其制造方法 | |
EP0576566B1 (en) | A method for the preparation and doping of highly insulating monocrystalline gallium nitride thin films | |
Eisermann et al. | Copper oxide thin films by chemical vapor deposition: Synthesis, characterization and electrical properties | |
US7279040B1 (en) | Method and apparatus for zinc oxide single crystal boule growth | |
US5425860A (en) | Pulsed energy synthesis and doping of silicon carbide | |
WO2013035845A1 (ja) | Ga2O3系半導体素子 | |
Lieten et al. | Mg doping of GaN by molecular beam epitaxy | |
JP2013056803A (ja) | β−Ga2O3系単結晶膜の製造方法 | |
JP5866727B2 (ja) | β−Ga2O3単結晶膜の製造方法及び結晶積層構造体 | |
JP2001044123A (ja) | 半導体層の成長方法 | |
WO2007148802A1 (ja) | 酸化亜鉛系半導体結晶の製造方法 | |
JP6846754B2 (ja) | 結晶積層構造体 | |
US20120104557A1 (en) | Method for manufacturing a group III nitride crystal, method for manufacturing a group III nitride template, group III nitride crystal and group III nitride template | |
JP2007145679A (ja) | 窒化アルミニウム単結晶の製造装置及びその製造方法 | |
Sasaki et al. | Method for producing Ga 2 O 3 based crystal film | |
Sugita et al. | Catalyst Temperature Dependence of NH3 Decomposition for InN Grown by Metal Organic Vapor Phase Epitaxy | |
WO2023021814A1 (ja) | 積層体 | |
Buzynin et al. | Epitaxial films of GeSi, AlGaN, and GaSb and GaSb/InAs superlattices on substrates of fianite | |
JP2018200983A (ja) | 結晶積層体、半導体デバイスおよび半導体デバイスの製造方法 | |
JPH0521345A (ja) | III −V 族化合物半導体へのp層形成方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20180327 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190517 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20200219 |
|
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: 20200303 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20200331 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6705962 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |