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Theory of the magnon-mediated tunnel magneto-Seebeck effect
Physical Review B ( IF 3.7 ) Pub Date : 2017-09-25 00:00:00 , DOI: 10.1103/physrevb.96.094429
Benedetta Flebus , Gerrit E. W. Bauer , Rembert A. Duine , Yaroslav Tserkovnyak

The tunnel magneto-Seebeck effect is the dependence of the thermopower of magnetic tunnel junctions on the magnetic configuration. It is conventionally interpreted in terms of a thermoelectric generalization of the tunnel magnetoresistance. Here, we investigate the heat-driven electron transport in these junctions associated with electron-magnon scattering, using stochastic Landau-Lifshitz phenomenology and quantum kinetic theory. Our findings challenge the widely accepted single-electron picture of the tunneling thermopower in magnetic junctions.

中文翻译:

磁振子隧道磁塞贝克效应的理论

隧道磁塞贝克效应是磁性隧道结的热功率对磁性构型的依赖性。通常根据隧道磁阻的热电泛化来解释。在这里,我们使用随机的Landau-Lifshitz现象学和量子动力学理论研究与电子-马农散射相关的这些结中的热驱动电子传输。我们的发现对磁性结中隧穿热功率的单电子图像提出了挑战。
更新日期:2017-09-25
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