JP2007201093A - 窒化物半導体装置 - Google Patents
窒化物半導体装置 Download PDFInfo
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- H10D30/471—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT]
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Abstract
【解決手段】窒化物半導体装置は、サファイアからなる基板101上に順次形成され、それぞれ窒化物半導体からなる、バッファ層102と、下地層103と、第1の半導体層104と、第2の半導体層105と、コントロール層106と、コンタクト層107とを備えている。また、第2の半導体層105の上におけるコントロール層106の両測方の領域には、それぞれTi及びAlからなるソース電極108並びにドレイン電極109が形成され、コンタクト層107の上にはNiからなるゲート電極110が形成されている。
【選択図】図1
Description
M.Hikita et al., Technical Digest of 2004 International Electron Devices Meeting (2004) p.803 O. Ambacher et al., J.Appl.Phys. Vol.85 (1999) p.3222 L. Zhang et al., IEEE Transactions on Electron Devices, vol.47, no.3, pp.507-511, 2000
図1は本発明の第1の実施形態に係る窒化物半導体装置の断面構造の一例を示している。
図3は本発明の第2の実施形態に係る窒化物半導体装置の断面構造の一例を示している。
図5は本発明の第3の実施形態に係る窒化物半導体装置の断面構造の一例を示している。
102 バッファ層
103 下地層
104 第1の半導体層
105 第2の半導体層
106 コントロール層
107 コンタクト層
108 ソース電極
109 ドレイン電極
110 ゲート電極
111 パッシベーション膜
301 基板
302 バッファ層
303 下地層
304 第1の半導体層
305 第2の半導体層
306 コントロール層
307 コンタクト層
308 ソース電極
309 ドレイン電極
310 ゲート電極
311 パッシベーション膜
312 貫通穴
501 基板
502 バッファ層
503 下地層
504 第1の半導体層
505 第2の半導体層
506 コントロール層
507 コンタクト層
508 ソース電極
509 ドレイン電極
510 ゲート電極
511 パッシベーション膜
701 基板
702 アンドープGaN層
703 アンドープAl0.25Ga0.75N層
704 ソース電極
705 ドレイン電極
706 ゲート電極
707 パッシベーション膜
901 基板
902 AlNバッファ層
903 アンドープGaN層
904 アンドープAlGaN層
905 p型コントロール層
906 p型コンタクト層
907 ゲート電極
908 ソース電極
909 ドレイン電極
910 パッシベーション膜
Claims (6)
- 第1の窒化物半導体からなる第1の半導体層と、
前記第1の半導体層の主面上に形成され、バンドギャップが前記第1の窒化物半導体よりも大きい第2の窒化物半導体からなる第2の半導体層と、
前記第2の半導体層の上部又は上側に選択的に形成され、p型の導電性を有する第3の窒化物半導体からなるコントロール層と、
前記第2の半導体層の上で且つ前記コントロール層の両測方の領域にそれぞれ形成されたソース電極及びドレイン電極と、
前記コントロール層の上側に形成されたゲート電極と、
前記第1の半導体層の前記主面と反対側の面上に形成され、前記第1の窒化物半導体に対して価電子帯にポテンシャル障壁を有し、組成にアルミニウムを含む第4の窒化物半導体からなる第4の半導体層とを備えていることを特徴とする窒化物半導体装置。 - 前記コントロール層は、前記ゲート電極に順方向バイアスが印加された場合に、前記第1の半導体層に生じるチャネル領域にホールが注入され、前記ソース電極と前記ドレイン電極との間の電気伝導性を制御することを特徴とする請求項1に記載の窒化物半導体装置。
- 前記第4の半導体層におけるアルミニウムの組成比の値は、0.03以上且つ0.1以下に設定されていることを特徴とする請求項1又は2に記載の窒化物半導体装置。
- 前記第1の窒化物半導体は、組成にインジウムを含むことを特徴とする請求項1〜3のうちいずれか1項に記載の窒化物半導体装置。
- 前記第1の半導体層は、厚さが0nmより大きく且つ30nm以下であることを特徴とする請求項1〜4のうちいずれか1項に記載の窒化物半導体装置。
- 前記第1の窒化物半導体は、組成にインジウムを含み、
前記第1の半導体層は、厚さが0nmより大きく且つ30nm以下であることを特徴とする請求項3に記載の窒化物半導体装置。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006016622A JP4705481B2 (ja) | 2006-01-25 | 2006-01-25 | 窒化物半導体装置 |
| CNA2006101659295A CN101009324A (zh) | 2006-01-25 | 2006-12-11 | 氮化物半导体装置 |
| CN2011101620703A CN102244097A (zh) | 2006-01-25 | 2006-12-11 | 氮化物半导体装置 |
| US11/647,218 US7825434B2 (en) | 2006-01-25 | 2006-12-29 | Nitride semiconductor device |
| US12/879,565 US20100327320A1 (en) | 2006-01-25 | 2010-09-10 | Nitride semiconductor device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006016622A JP4705481B2 (ja) | 2006-01-25 | 2006-01-25 | 窒化物半導体装置 |
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| Publication Number | Publication Date |
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| JP2007201093A true JP2007201093A (ja) | 2007-08-09 |
| JP4705481B2 JP4705481B2 (ja) | 2011-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2006016622A Expired - Lifetime JP4705481B2 (ja) | 2006-01-25 | 2006-01-25 | 窒化物半導体装置 |
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| Country | Link |
|---|---|
| US (2) | US7825434B2 (ja) |
| JP (1) | JP4705481B2 (ja) |
| CN (2) | CN102244097A (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010539712A (ja) * | 2007-09-12 | 2010-12-16 | トランスフォーム インコーポレイテッド | Iii族窒化物双方向スイッチ |
| JP2012019186A (ja) * | 2010-07-07 | 2012-01-26 | Samsung Electro-Mechanics Co Ltd | 窒化物系半導体素子及びその製造方法 |
| JP2014146744A (ja) * | 2013-01-30 | 2014-08-14 | Renesas Electronics Corp | 半導体装置 |
| WO2018181237A1 (ja) | 2017-03-31 | 2018-10-04 | パナソニックIpマネジメント株式会社 | 半導体装置 |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7531854B2 (en) | 2007-05-04 | 2009-05-12 | Dsm Solutions, Inc. | Semiconductor device having strain-inducing substrate and fabrication methods thereof |
| US7772056B2 (en) * | 2007-06-18 | 2010-08-10 | University Of Utah Research Foundation | Transistors for replacing metal-oxide semiconductor field-effect transistors in nanoelectronics |
| JP4478175B2 (ja) * | 2007-06-26 | 2010-06-09 | 株式会社東芝 | 半導体装置 |
| JP2009200395A (ja) * | 2008-02-25 | 2009-09-03 | Sanken Electric Co Ltd | Hfetおよびその製造方法 |
| JP2009231508A (ja) * | 2008-03-21 | 2009-10-08 | Panasonic Corp | 半導体装置 |
| EP2166085A1 (en) * | 2008-07-16 | 2010-03-24 | Suomen Punainen Risti Veripalvelu | Divalent modified cells |
| JP5595685B2 (ja) * | 2009-07-28 | 2014-09-24 | パナソニック株式会社 | 半導体装置 |
| US9378965B2 (en) * | 2009-12-10 | 2016-06-28 | Infineon Technologies Americas Corp. | Highly conductive source/drain contacts in III-nitride transistors |
| JP2011233751A (ja) * | 2010-04-28 | 2011-11-17 | Panasonic Corp | 窒化物半導体トランジスタ |
| JP5576731B2 (ja) * | 2010-07-14 | 2014-08-20 | パナソニック株式会社 | 電界効果トランジスタ |
| US8946788B2 (en) * | 2011-08-04 | 2015-02-03 | Avogy, Inc. | Method and system for doping control in gallium nitride based devices |
| CN102709321A (zh) | 2012-04-20 | 2012-10-03 | 程凯 | 增强型开关器件及其制造方法 |
| JP2014072427A (ja) * | 2012-09-28 | 2014-04-21 | Fujitsu Ltd | 半導体装置及び半導体装置の製造方法 |
| JP6189235B2 (ja) * | 2014-03-14 | 2017-08-30 | 株式会社東芝 | 半導体装置 |
| JP6642883B2 (ja) * | 2015-10-08 | 2020-02-12 | ローム株式会社 | 窒化物半導体装置およびその製造方法 |
| CN117855265A (zh) * | 2019-12-06 | 2024-04-09 | 联华电子股份有限公司 | 高电子迁移率晶体管及其制作方法 |
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- 2006-01-25 JP JP2006016622A patent/JP4705481B2/ja not_active Expired - Lifetime
- 2006-12-11 CN CN2011101620703A patent/CN102244097A/zh active Pending
- 2006-12-11 CN CNA2006101659295A patent/CN101009324A/zh active Pending
- 2006-12-29 US US11/647,218 patent/US7825434B2/en active Active
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2010
- 2010-09-10 US US12/879,565 patent/US20100327320A1/en not_active Abandoned
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| JP2010539712A (ja) * | 2007-09-12 | 2010-12-16 | トランスフォーム インコーポレイテッド | Iii族窒化物双方向スイッチ |
| JP2012019186A (ja) * | 2010-07-07 | 2012-01-26 | Samsung Electro-Mechanics Co Ltd | 窒化物系半導体素子及びその製造方法 |
| JP2014146744A (ja) * | 2013-01-30 | 2014-08-14 | Renesas Electronics Corp | 半導体装置 |
| US9768257B2 (en) | 2013-01-30 | 2017-09-19 | Renesas Electronics Corporation | Semiconductor device |
| WO2018181237A1 (ja) | 2017-03-31 | 2018-10-04 | パナソニックIpマネジメント株式会社 | 半導体装置 |
Also Published As
| Publication number | Publication date |
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| CN101009324A (zh) | 2007-08-01 |
| JP4705481B2 (ja) | 2011-06-22 |
| CN102244097A (zh) | 2011-11-16 |
| US20100327320A1 (en) | 2010-12-30 |
| US7825434B2 (en) | 2010-11-02 |
| US20070170463A1 (en) | 2007-07-26 |
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