JP6143051B2 - スピントロニクスデバイス - Google Patents
スピントロニクスデバイス Download PDFInfo
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- JP6143051B2 JP6143051B2 JP2012231849A JP2012231849A JP6143051B2 JP 6143051 B2 JP6143051 B2 JP 6143051B2 JP 2012231849 A JP2012231849 A JP 2012231849A JP 2012231849 A JP2012231849 A JP 2012231849A JP 6143051 B2 JP6143051 B2 JP 6143051B2
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Landscapes
- Mram Or Spin Memory Techniques (AREA)
- Hall/Mr Elements (AREA)
Description
Vk=(h/2π)k/mで表わされる。
jc y=αH・js x
となり、逆スピンホール効果による電流密度jc yはスピン流−電流変換係数αHに規定されることになる。
θSHE=(σy/σx)×αH
で表わされることを発見した。因みに、異方導電性がない材料の場合にはσy=σxとなる。
θSHE=(σy/σx)×αH
で表わされるとの結論に至った。したがって、σy/σxの値の大きな異方導電性を有する材料を用いることにより100%以上の変換効率も可能になることを見出した。
2 スピン流−電流相互変換部材層
3 スピン流発生部材層
41,42 電極
51,52 引出電極
6 電圧計
11 ガラス基板
12 PEDOT:PSS被膜
13 Ni80Fe20膜
141,142 Au電極
21 GGG単結晶基板
22 MOD溶液
23 酸化物層
24 YIG層
25 PEDOT:PSS被膜
261,262 Au電極
31 ガラス基板
32 Ni80Fe20膜
33 PBTTT:F4−TCNQ膜
341,342 Au電極
41 GaAs層
42 PEDOT:PSS被膜
431,432 Au電極
44 円偏光光
51 GGG単結晶基板
52 YIG層
53 PEDOT:PSS被膜
541,542 Au電極
55 熱源
61 ピエゾ効果素子
62 PZT層
631,632 電極
64 YIG層
65 PEDOT:PSS被膜
661,662 Au電極
67 シリコーン樹脂
71 下部電極
72 TMR要素
73 フリー層
74 トンネル絶縁膜
75 ピンド層
76 反強磁性層
77 ビット線
78 スピン注入電極
791,792 接続配線
Claims (8)
- エネルギーの供給により純スピン流或いはスピン波スピン流を発生するスピン流発生部材層と、
前記スピン流発生部材層に接合し、スピン流を電流に変換する或いは電流をスピン流に変換するスピン流−電流相互変換部材層と、
前記スピン流−電流相互変換部材層に設けられ、前記電流の流れる方向の上流側と下流側に設けられた一対の電極と
を有し、
前記スピン流−電流相互変換部材層が、スピン流の流入方向の電気伝導度が他の方向の電気伝導度より低い異方導電性を有し、
前記異方導電性を有するスピン流−電流相互変換部材層が、導電性ポリマー、有機自己組織化膜、有機電荷移動錯体伝導体、層状遷移金属酸化物、或いは、3次元トポロジカル絶縁体のいずれかからなるスピントロニクスデバイス。 - 前記スピン流発生部材層が磁性体層であり、
前記スピン流−電流相互変換部材層が、逆スピンホール効果部材層である請求項1に記載のスピントロニクスデバイス。 - 前記供給されるエネルギーが、熱、マイクロ波、光或いは音波のいずれかである請求項2に記載のスピントロニクスデバイス。
- 前記逆スピンホール効果部材層を、絶縁性基板上に設けるとともに、前記逆スピンホール効果部材層の上に前記磁性層を設けた請求項3に記載のスピントロニクスデバイス。
- 前記磁性層を、絶縁性基板上に設けるとともに、前記磁性層の上に前記逆スピンホール効果部材層を設けた請求項3に記載のスピントロニクスデバイス。
- 前記スピン流発生部材層が閃亜鉛鉱型結晶構造を有する半導体層であり、
前記スピン流−電流相互変換部材層が、逆スピンホール効果部材層であり、
前記供給されるエネルギーが円偏光光である請求項1に記載のスピントロニクスデバイス。 - 前記スピン流発生部材層が磁性体層であり、
前記スピン流−電流相互変換部材層が、スピンホール効果部材層であり、
前記供給されるエネルギーが注入電流である請求項1に記載のスピントロニクスデバイス。 - 前記導電性ポリマーが、PEDOTとPSSとを混合したポリマーであるPEDOT:PSSまたはPBTTTとF4−TCNQとを混合したポリマーであるPBTTT:F4−TCNQである請求項1に記載のスピントロニクスデバイス。
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JP2012231849A JP6143051B2 (ja) | 2012-10-19 | 2012-10-19 | スピントロニクスデバイス |
US14/436,724 US10018689B2 (en) | 2012-10-19 | 2013-10-21 | Electronic devices |
EP13780396.1A EP2909644B1 (en) | 2012-10-19 | 2013-10-21 | Electronic devices |
PCT/GB2013/052736 WO2014060781A2 (en) | 2012-10-19 | 2013-10-21 | Electronic devices |
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JP2012231849A JP6143051B2 (ja) | 2012-10-19 | 2012-10-19 | スピントロニクスデバイス |
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JP2014086448A JP2014086448A (ja) | 2014-05-12 |
JP6143051B2 true JP6143051B2 (ja) | 2017-06-07 |
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Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104767020B (zh) * | 2015-03-20 | 2017-11-10 | 复旦大学 | 一种自旋波定向传输波导结构 |
KR101831305B1 (ko) | 2016-05-30 | 2018-02-23 | 한국표준과학연구원 | 스커미온 자화상태를 제어하는 방법 및 이를 이용한 자기 메모리 소자의 제어 방법 |
JP6844771B2 (ja) * | 2017-01-20 | 2021-03-17 | 国立研究開発法人理化学研究所 | スピン流生成方法及びスピン流生成装置 |
JP6426330B1 (ja) * | 2017-02-27 | 2018-11-21 | Tdk株式会社 | スピン流磁化回転素子、磁気抵抗効果素子及び磁気メモリ |
CN108886062B (zh) * | 2017-02-27 | 2021-09-03 | Tdk株式会社 | 自旋流磁化旋转元件、磁阻效应元件及磁存储器 |
JP6842113B2 (ja) * | 2017-04-28 | 2021-03-17 | 国立研究開発法人物質・材料研究機構 | 熱電変換装置 |
US11031541B2 (en) * | 2018-02-19 | 2021-06-08 | Tdk Corporation | Spin-orbit torque type magnetization rotating element, spin-orbit torque type magnetoresistance effect element, and magnetic memory |
JP6539008B1 (ja) | 2018-02-19 | 2019-07-03 | Tdk株式会社 | スピン軌道トルク型磁化回転素子、スピン軌道トルク型磁気抵抗効果素子及び磁気メモリ |
US11875832B2 (en) * | 2018-09-05 | 2024-01-16 | Keio University | Spintronics device, magnetic memory, and electronic apparatus |
CN113270542B (zh) * | 2021-05-13 | 2023-03-21 | 上海科技大学 | 一种基于iii-v族窄禁带半导体异质结构的自旋信号探测器 |
JPWO2023224062A1 (ja) * | 2022-05-19 | 2023-11-23 |
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JP3621367B2 (ja) * | 2001-09-17 | 2005-02-16 | 株式会社東芝 | スピントランジスタ |
JP5339272B2 (ja) * | 2008-06-05 | 2013-11-13 | 国立大学法人東北大学 | スピントロニクスデバイス及び情報伝達方法 |
WO2011118374A1 (ja) * | 2010-03-25 | 2011-09-29 | 日本電気株式会社 | 熱型センサ及びプラットフォーム |
JP6066091B2 (ja) * | 2011-09-27 | 2017-01-25 | 日本電気株式会社 | 熱電変換素子及びその製造方法 |
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