JP6896063B2 - イオン注入を用いた高抵抗窒化物バッファ層の半導体材料成長 - Google Patents
イオン注入を用いた高抵抗窒化物バッファ層の半導体材料成長 Download PDFInfo
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- JP6896063B2 JP6896063B2 JP2019508190A JP2019508190A JP6896063B2 JP 6896063 B2 JP6896063 B2 JP 6896063B2 JP 2019508190 A JP2019508190 A JP 2019508190A JP 2019508190 A JP2019508190 A JP 2019508190A JP 6896063 B2 JP6896063 B2 JP 6896063B2
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- 239000004065 semiconductor Substances 0.000 title claims description 105
- 238000005468 ion implantation Methods 0.000 title claims description 44
- 150000004767 nitrides Chemical class 0.000 title claims description 35
- 239000000463 material Substances 0.000 title description 63
- 239000010410 layer Substances 0.000 claims description 290
- 239000000758 substrate Substances 0.000 claims description 66
- 238000000034 method Methods 0.000 claims description 39
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 26
- 239000013078 crystal Substances 0.000 claims description 24
- 239000011241 protective layer Substances 0.000 claims description 24
- 239000002019 doping agent Substances 0.000 claims description 23
- 229910052757 nitrogen Inorganic materials 0.000 claims description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 230000004888 barrier function Effects 0.000 claims description 7
- 229910052790 beryllium Inorganic materials 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000007943 implant Substances 0.000 claims description 2
- 238000002347 injection Methods 0.000 description 31
- 239000007924 injection Substances 0.000 description 31
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 27
- 150000002500 ions Chemical class 0.000 description 26
- 229910002601 GaN Inorganic materials 0.000 description 25
- 230000007547 defect Effects 0.000 description 18
- 230000008569 process Effects 0.000 description 11
- 239000012535 impurity Substances 0.000 description 10
- 238000002425 crystallisation Methods 0.000 description 8
- 230000008025 crystallization Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000000151 deposition Methods 0.000 description 7
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 6
- 230000007704 transition Effects 0.000 description 6
- 230000008021 deposition Effects 0.000 description 5
- 238000011065 in-situ storage Methods 0.000 description 5
- 238000001451 molecular beam epitaxy Methods 0.000 description 5
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000969 carrier Substances 0.000 description 4
- 238000004871 chemical beam epitaxy Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000011066 ex-situ storage Methods 0.000 description 4
- 238000002513 implantation Methods 0.000 description 4
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- AUCDRFABNLOFRE-UHFFFAOYSA-N alumane;indium Chemical compound [AlH3].[In] AUCDRFABNLOFRE-UHFFFAOYSA-N 0.000 description 3
- RNQKDQAVIXDKAG-UHFFFAOYSA-N aluminum gallium Chemical compound [Al].[Ga] RNQKDQAVIXDKAG-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 3
- 239000002178 crystalline material Substances 0.000 description 3
- 229910052738 indium Inorganic materials 0.000 description 3
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910010271 silicon carbide Inorganic materials 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- -1 nitrogen ions Chemical class 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 108091006149 Electron carriers Proteins 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000000231 atomic layer deposition Methods 0.000 description 1
- NWAIGJYBQQYSPW-UHFFFAOYSA-N azanylidyneindigane Chemical compound [In]#N NWAIGJYBQQYSPW-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002829 nitrogen Chemical class 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001947 vapour-phase growth Methods 0.000 description 1
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- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/2654—Bombardment with radiation with high-energy radiation producing ion implantation in AIIIBV compounds
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Description
Claims (13)
- 半導体構造を形成する方法であって、
表面上にバッファ層を有する単結晶基板を用意することであり、前記バッファ層の下部はその中に、炭素、鉄、又はベリリウムをドープされており、前記バッファ層の上部は、アンドープであり、ある抵抗率の度合いを有する、用意することと、
前記バッファ層の前記上部の前記抵抗率の度合いを増加させることであり、前記バッファ層に、窒素イオンであるドーパントをイオン注入することを有する、増加させることと、
前記イオン注入されたバッファ層上に、チャネル層と該チャネル層上に形成されるバリア層とを有する半導体層を形成することと、
を有する方法。 - 前記半導体層は、前記イオン注入されたバッファ層の表面上に形成され、前記半導体層は、前記イオン注入されたバッファ層の前記表面と同じ面内格子構造を有する、請求項1に記載の方法。
- 前記バッファ層はIII族窒化物である、請求項1に記載の方法。
- 前記半導体層はワイドバンドギャップ半導体層である、請求項1又は3に記載の方法。
- 前記基板は結晶学的格子構造を有し、前記半導体層は結晶学的格子構造を有し、前記バッファ層は、前記基板の前記結晶学的格子構造と前記半導体層の前記結晶学的格子構造との間の整合をもたらす、請求項1又は3に記載の方法。
- 前記イオン注入に先立って、前記バッファ層上にイオン注入保護層が形成され、前記ドーパントをイオン注入することは、前記ドーパントが前記イオン注入保護層を通り抜けるようにして、前記バッファ層に前記ドーパントを注入する、請求項1又は3に記載の方法。
- 前記イオン注入の後に前記イオン注入保護層が除去され、露出された前記バッファ層上に前記半導体層が形成される、請求項6に記載の方法。
- 前記ワイドバンドギャップ半導体層内に高電子移動度トランジスタを形成すること、を含む請求項4に記載の方法。
- 半導体構造を形成する方法であって、
表面上にバッファ層を有する単結晶基板を用意することであり、前記バッファ層の下部はその中に、炭素、鉄、又はベリリウムをドープされており、前記バッファ層の上部はアンドープである、用意することと、
前記バッファ層の前記上部の抵抗率を増加させることであり、
前記バッファ層上にイオン注入保護層を設けることと、
前記バッファ層に、窒素イオンであるドーパントをイオン注入することと、
前記イオン注入保護層を除去して前記バッファ層を露出させることと、
を有する、増加させることと、
前記イオン注入されたバッファ層上に、チャネル層と該チャネル層上に形成されるバリア層とを有する結晶半導体層を形成することと
を有し、
前記バッファ層の前記上部の前記抵抗率が前記イオン注入によって増加される、
方法。 - 単結晶基板と、
前記基板の表面上のバッファ層と、
前記バッファ層上に形成された、チャネル層と該チャネル層上に形成されたバリア層とを有する半導体層と、
を有し、
前記バッファ層の上部は、イオン注入された窒素イオンである抵抗性ドーパントを有し、前記バッファ層の下部はその中に、炭素、鉄、又はベリリウムをドープされている、
半導体構造体。 - 前記バッファ層はIII族窒化物である、請求項10に記載の構造体。
- 前記半導体層はワイドバンドギャップ半導体層である、請求項11に記載の構造体。
- 前記ワイドバンドギャップ半導体層内に高電子移動度トランジスタを含む、請求項12に記載の構造体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201662376722P | 2016-08-18 | 2016-08-18 | |
US62/376,722 | 2016-08-18 | ||
PCT/US2017/045010 WO2018034840A1 (en) | 2016-08-18 | 2017-08-02 | Semiconductor material growth of a high resistivity nitride buffer layer using ion implantation |
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Publication Number | Publication Date |
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JP2019528571A JP2019528571A (ja) | 2019-10-10 |
JP6896063B2 true JP6896063B2 (ja) | 2021-06-30 |
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JP2019508190A Active JP6896063B2 (ja) | 2016-08-18 | 2017-08-02 | イオン注入を用いた高抵抗窒化物バッファ層の半導体材料成長 |
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US (1) | US11127596B2 (ja) |
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US11545566B2 (en) * | 2019-12-26 | 2023-01-03 | Raytheon Company | Gallium nitride high electron mobility transistors (HEMTs) having reduced current collapse and power added efficiency enhancement |
CN111640650B (zh) * | 2020-04-30 | 2023-10-13 | 西安电子科技大学 | Si衬底AlN模板的制备方法及Si衬底GaN外延结构的制备方法 |
CN111613527A (zh) * | 2020-05-20 | 2020-09-01 | 南京大学 | 一种基于Mg离子注入与高温退火工艺实现氮化镓p型掺杂的方法 |
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CN114530447B (zh) * | 2022-04-24 | 2022-10-25 | 合肥晶合集成电路股份有限公司 | 半导体结构及其制作方法 |
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CN109564855B (zh) | 2023-08-22 |
TW201822254A (zh) | 2018-06-16 |
KR102238369B1 (ko) | 2021-04-08 |
EP3501033A1 (en) | 2019-06-26 |
WO2018034840A1 (en) | 2018-02-22 |
US20210050216A1 (en) | 2021-02-18 |
KR20190035885A (ko) | 2019-04-03 |
CN109564855A (zh) | 2019-04-02 |
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US11127596B2 (en) | 2021-09-21 |
JP2019528571A (ja) | 2019-10-10 |
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