Electric field–dependent phonon spectrum and heat conduction in ferroelectrics

Authors: Brandi L. Wooten, Ryo Iguchi, Ping Tang, Joon Sang Kang, Ken-ichi Uchida, Gerrit E. W. Bauer, Joseph P. Heremans

Published: 2023-02-01

DOI: 10.1126/sciadv.add7194

Source: Full article

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Abstract

This article shows experimentally that an external electric field affects the velocity of the longitudinal acoustic phonons (