Charge carriers and small-polaron migration as the origin of intrinsic dielectric anomalies in multiferroic TbMnO3 polycrystals
Luiz G. Davanse Silveira, Gustavo S. Dias, Luiz F. Cótica, José A. Eiras, Ducinei Garcia, José A. Sampaio, Fabiano Yokaichiya e Ivair A. Santos
JOURNAL OF PHYSICS-CONDENSED MATTER – Volume: 25; Issue: 47; Article Number: 475401; DOI: 10.1088/0953-8984/25/47/475401
Temperature-dependent and frequency-dependent dielectric investigations have been performed in TbMnO3 polycrystals sintered in either oxidative or reductive atmospheres. The […]