Infrared and terahertz studies of polar phonons and magnetodielectric effect in multiferroic<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi mathvariant="normal">Bi</mml:mi><mml:mi mathvariant="normal">Fe</mml:mi><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math>ceramics

Kamba, S.; Nuzhnyy, D.; Savinov, M.; Šebek, J.; Petzelt, J.; Prokleška, Ján; Haumont, R.; Kreisel, J.

doi:10.1103/physrevb.75.024403

Public

Infrared and terahertz studies of polar phonons and magnetodielectric effect in multiferroicBiFeO3ceramics

Published in Physical Review B • Jan 3, 2007

Authors:

S. Kamba

D. Nuzhnyy

M. Savinov

Abstract

$\mathrm{Bi}\mathrm{Fe}{\mathrm{O}}_{3}$ ceramics were investigated by means of infrared reflectivity and time domain terahertz transmission spectroscopy at temperatures $20--950\phantom{\rule{0.3em}{0ex}}\mathrm{K}$, and the magnetodielectric effect was studied at $10--300\phantom{\rule{0.3em}{0ex}...

Subject

Condensed matter physics

Phonon

Multiferroics

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