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    题名: Intrinsic Spin-Dependent Thermal Transport
    作者: 李尚凡
    Huang,S. Y.;Wang,W. G.;S. F. Lee;Kwo,J.;Chien,C. L.
    贡献者: 應物所
    日期: 2011-11
    上传时间: 2014-10-09 15:50:54 (UTC+8)
    摘要: Most studies of spin caloritronic effects to date, including spin-Seebeck effect, utilize thin films on substrates. We use patterned ferromagnetic thin film to demonstrate the profound effect of a substrate on the spin-dependent thermal transport. With different sample patterns and on varying the direction of temperature gradient, both longitudinal and transverse thermal voltages exhibit asymmetric instead of symmetric spin dependence. This unexpected behavior is due to an out-of-plane temperature gradient imposed by the thermal conduction through the substrate and the mixture of anomalous Nernst effects. Only with substrate-free samples have we determined the intrinsic spin-dependent thermal transport with characteristics and field sensitivity similar to those of the anisotropic magnetoresistance effect.
    關聯: Physical review letters,107(21),216604
    数据类型: article
    DOI 連結: http://dx.doi.org/10.1103/PhysRevLett.107.216604
    DOI: 10.1103/PhysRevLett.107.216604
    显示于类别:[應用物理研究所 ] 期刊論文

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