Theory of Transport in Ferroelectric Capacitors

被引:23
作者
Bauer, Gerrit E. W. [1 ,2 ,3 ,4 ,5 ]
Iguchi, Ryo [3 ]
Uchida, Ken-ichi [2 ,3 ,4 ]
机构
[1] Tohoku Univ, WPI AIMR, Sendai, Miyagi 9808577, Japan
[2] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
[3] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan
[4] Tohoku Univ, Ctr Spintron Res Network, Sendai, Miyagi 9808577, Japan
[5] Univ Groningen, Zernike Inst Adv Mat, NL-9747 AG Groningen, Netherlands
关键词
701.1 Electricity: Basic Concepts and Phenomena - 701.2 Magnetism: Basic Concepts and Phenomena - 708.1 Dielectric Materials;
D O I
10.1103/PhysRevLett.126.187603
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The spontaneous order of electric and magnetic dipoles in ferroelectrics and ferromagnets even at high temperatures is both fascinating and useful. Transport of magnetism in the form of spin currents is vigorously studied in spintronics, but the polarization current of the ferroelectric order has escaped attention. We therefore present a time-dependent diffusion theory for heat and polarization transport in a planar ferroelectric capacitor with parameters derived from a one-dimensional phonon model. We predict steady-state Seebeck and transient Peltier effects that await experimental discovery.
引用
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页数:4
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