Electron Spin Observation and Controlling in Quantum Point Contacts
| Project/Area Number |
19204030
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Condensed matter physics I
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| Research Institution | Chiba University |
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Principal Investigator |
OCHIAI Yuichi Chiba University, 大学院・融合科学研究科, 教授 (60111366)
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| Co-Investigator(Kenkyū-buntansha) |
AOKI Nobuyuki 千葉大学, 大学院・融合科学研究科, 准教授 (60312930)
中山 隆史 千葉大学, 大学院・理学研究科, 教授 (70189075)
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| Co-Investigator(Renkei-kenkyūsha) |
NAKAYAMA Takashi 千葉大学, 大学院・理学研究科, 教授 (70189075)
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| Research Collaborator |
JONATHAN Bird P. ニューヨーク州立大学バッファロー校, 電気工学科, 教授
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| Project Period (FY) |
2007 – 2009
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| Project Status |
Completed (Fiscal Year 2009)
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| Budget Amount *help |
¥49,660,000 (Direct Cost: ¥38,200,000、Indirect Cost: ¥11,460,000)
Fiscal Year 2009: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2008: ¥14,040,000 (Direct Cost: ¥10,800,000、Indirect Cost: ¥3,240,000)
Fiscal Year 2007: ¥30,940,000 (Direct Cost: ¥23,800,000、Indirect Cost: ¥7,140,000)
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| Keywords | 量子ポイントコンタクト / スピン生成 / スピン操作 / 走査ゲート顕微法 / 結合量子ポイントコンタクト / 局在磁気モーメント(LMM) / 近藤効果 / マイクロ波パルス伝導 / 量子ポイントコンタクト(QPC) / 走査ゲート顕微法(SGM) / マイクロ派パルス伝導 / 走査プローブ顕微鏡 / 局在スピン |
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| Research Abstract |
Localized Magnetic Moment (LMM) and the controlling of the spin state have been studied in the coupled Quantum Point Contacts (QPCs). The direct observation for the spin related electron-wave dynamics, can be realized in the QPCs sample prepared by micro-fabrication in semiconductors or nano-carbon materials by use of the low-temperature magneto-resistances under the microwave or terahertz wave radiation and the scanning gate modulation.
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Report
(4 results)
Research Products
(157 results)
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[Journal Article] Probing Insulator-quantum Hall Transitions by Current Heating2009
Author(s)
K-Y.Chen, C-T.Liang, N.Aoki, Y.Ochiai, K-A.Cheng, L-H.Lin, C-F.Huang, Y-R.Li, Y-S.Tseng, C-K.Yang, P-T.Lin, J-Y.Wu, S-D.Lin
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Journal Title
Journal of Korean Physical Society 55
Pages: 64-67
Related Report
Peer Reviewed
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[Journal Article] Enhanced Phase Relaxation in a Hybrid Ferromagnet/Semiconductor System2009
Author(s)
K-Y.Chen, C-K.Yang, C-T.Liang, N.Aoki, Y.Ochiai, Y.Ujiie, K-A.Cheng, L-H.Lin, C-F.Huang, Y-R.Li, Y-S.Tseng, P-T.Lin, J-Y.Wu, S-D.Lin
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Journal Title
Journal of Korean Physical Society 55
Pages: 173-176
Related Report
Peer Reviewed
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[Journal Article] Probing Landau quantization with the presence of insulator-quantum Hall transition in a GaAs two-dimensional electron system2008
Author(s)
K-Y. Chen, Y-H. Chang, C-T. Liang, N. Aoki, Y. Ochiai, C-F. Huang, L-H. Lin, K-A. Cheng, H-H. Cheng, H-H. Lin, J-Y. Wu, S-D. Lin
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Journal Title
J.Phys.: Cond.Matt. Vol.20
Related Report
Peer Reviewed
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[Presentation] 量子細線のスピン磁気特性2010
Author(s)
遠藤孝, 渋谷薫, 湯本昇, 森本崇宏, 青木伸之, 落合勇一, J.P. Bird
Organizer
日本物理学会 第65回年次大会, 20aHV-3
Place of Presentation
岡山大学, 岡山市
Related Report
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[Presentation] Probing current and temperature effects on the direct insulator-quantum Hall ransition2009
Author(s)
K-Y. Chen, C-T. Liang, N.Aoki, Y.Ochiai, K-A. Cheng, L-H. Lin, C-F.Huang, Y-R. Li, Y-S. Tseng, C-K, Yang, P-T. Lin, J-Y. Wu, S-D. Lin
Organizer
March 2009 Meeting of The American Physics Society
Place of Presentation
David L. Lawrence Convention Center, USA
Related Report
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[Presentation] グラフェンにおける低温伝導特性2008
Author(s)
氏家 洋平, 湯本 昇, 森本 崇宏, 青木 伸之, J. P. バード, 落合 勇一
Organizer
日本物理学会第63回年次大会
Place of Presentation
近畿大学,東大阪市
Year and Date
2008-03-25
Related Report
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[Presentation] Enhanced inelastic scattering in a hybrid ferromagnet/ semiconductor system2008
Author(s)
K-Y. Chen, C-K,Yang, C-T. Liang, N. Aoki, Y. Ochiai, K-A. Cheng, L-H. Lin, C-F. Huang, Y-R. Li, Y-S. Tseng, P-T. Lin, J-Y. Wu, S-D. Lin
Organizer
The 14th International Symposium on the Physicd of Semiconductor and Applications(ISPSA 2008)
Place of Presentation
Jeju, Korea
Related Report
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[Presentation] Probing direct insulator-quantum Hall transition by current heating2008
Author(s)
K-Y. Chen, C-T. Liang, N. Aoki, Y. Ochiai. K-A. Cheng, L-H. Lin, G-F. Huang, Y-R. Li, Y-S. Tseng, C-K, Yang, P-T. Lin, J-Y. Wu, S-D. Lin
Organizer
The 14th International Symposium on the Physicd of Semiconductor and Applications(ISPSA 2008)
Place of Presentation
Jeju, Korea
Related Report
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[Presentation] 子線照射重合C_60の電気伝導2007
Author(s)
都司 一, 千葉 康人, 上野 岬, 青木 伸之, 尾上 順, 落合 勇一
Organizer
日本物理学会, 第62回年次大会
Place of Presentation
北海道大学,札幌市
Year and Date
2007-09-23
Related Report
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