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Development of high performance micro magnetic sensor based on spin torque driving nano device

Development of high performance micro magnetic sensor based on spin torque driving nano device
基于自旋矩驱动纳米器件的高性能微型磁传感器的研制
批准号:
20310073
负责人:
UCHIYAMA Tsuyoshi
金额:
$11.98万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
2008
资助国家:
日本
项目状态:
已结题
起止时间:
2008 至 2010

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项目成果

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中文摘要
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英文摘要
We established noise reduction technology for a micro magnetic sensor(magneto-impedance sensor) utilizing spin dynamics in case of pulse current excitation. It is shown that noise level of the magneto-impedance senor is smaller than 1pT/Hz^<1/2> at room temperature. It is investigated that resonance frequency of magnetic wall with rotating magnetic vortices is controlled by spin transfer torque. It is shown that resonance frequency of the rotating vortices sensitive depends on applied magnetic fields.
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会议论文
Detection of Quantized Spin-Wave Excitation by Anomalous Hall voltage Rectification in Nano-Magnets
通过反常霍尔电压整流检测纳米磁体中的量子化自旋波激励
DOI: --
发表时间: 2009
期刊:
影响因子: --
作者: [Akinobu Yamaguchi, Keiichi Motoi, Atsufumi Hirohata and Hideki Miyajima]
通讯作者: Atsufumi Hirohata and Hideki Miyajima
Current manipulation of a vortex confined in a micron-sized Fe_<19> Ni_<81> disk
限制在微米级 Fe_<19> Ni_<81> 盘中的涡流的电流操纵
DOI: 10.1063/1.3236693
发表时间: 2009
期刊: Appl. Phys. Lett.
影响因子: --
作者: [A. Yamaguchi, K. Motoi, H. Miyajima, A. Hirohata, T. Yamaoka, T. Uchiyama, Y. Utsumi]
通讯作者: Y. Utsumi
Self-homodyne detection of Multi-vortex motion induced by rf current in micron-sized Fe_<19> Ni_<81> ellipse dots
微米级Fe_<19>Ni_<81>椭圆点中射频电流引起多涡流运动的自零差检测
DOI: --
发表时间: 2010
期刊:
影响因子: --
作者: [A. Yamaguchi, H. Hata, H. Miyajima, T. Sato, Y. Nakatani, A. Hirohata, T. Yamaoka, T. Uchiyama and Y. Utsumi]
通讯作者: T. Uchiyama and Y. Utsumi
DOI: --
发表时间: 2008
期刊:
影响因子: --
作者: [Tao Hong, Y.H.Kim, Chisa Hotta, Yasu Takano, G.Tremelling, C.P.Landee, H.-J.Kang, N.B.Christensen, K.P.Schmidt, K.Lefmann, G.S.Uhrig, C.Broholm, 山口明啓,東尾奈々,元井桂一,宮島英紀]
通讯作者: 山口明啓,東尾奈々,元井桂一,宮島英紀
28
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    • 项目类别:
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