Thermoelectric Polarization Transport in Ferroelectric Ballistic Point Contacts

Ping Tang, Ryo Iguchi, Ken Ichi Uchida, G. E. Bauer

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Abstract

We formulate a scattering theory of polarization and heat transport through a ballistic ferroelectric point contact. We predict a polarization current under either an electric field or a temperature difference that depends strongly on the direction of the ferroelectric order and can be detected by its magnetic stray field and associated thermovoltage and Peltier effect.

Original languageEnglish
Article number047601
Number of pages6
JournalPhysical Review Letters
Volume128
Issue number4
DOIs
Publication statusPublished - 28-Jan-2022

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