Thermal spin transfer torque in Fe｜Ag｜YIG multilayers  

作　　者：Hui-Min Tang Xing-Tao Jia Shi-Zhuo Wang 

机构地区：[1]Department of Physics, Beijing Normal University, Beijing 100875, China [2]School of Physics and Electronic Information Engineering, Henan Polytechnic University, Jiaozuo 454000, China

出　　处：《Frontiers of physics》2017年第3期87-92,共6页物理学前沿（英文版）

摘　　要：We investigated the thermal spin transfer effect in FM｜NM｜YIG multilayers using the first princi- ples scattering theory. At room temperature, the spin Seebeck torque TZSE -1.0 μJ/（K-m^2） in an Ag＋｜Fe｜Ag｜YIG multilayer, which is around 40% larger than that estimated from mixing conductance. The quantum effects such as interlayer exchange coupling between FM and YIG could be responsible for the enhancements. Based on the LLG equation, reverse the magnetic configurations, circularly, in a we predict that a temperature bias of -10 K can multilayer at room temperature.We investigated the thermal spin transfer effect in FM｜NM｜YIG multilayers using the first princi- ples scattering theory. At room temperature, the spin Seebeck torque TZSE -1.0 μJ/（K-m^2） in an Ag＋｜Fe｜Ag｜YIG multilayer, which is around 40% larger than that estimated from mixing conductance. The quantum effects such as interlayer exchange coupling between FM and YIG could be responsible for the enhancements. Based on the LLG equation, reverse the magnetic configurations, circularly, in a we predict that a temperature bias of -10 K can multilayer at room temperature.

关 键 词：spin Seebeck torque spin transfer torque YIG 

分 类 号：O572.34[理学—粒子物理与原子核物理] TM277.3[理学—物理]