Bismuth-based perovskites as multiferroics
Mael Guennou, Michel Viret, Jens Kreisel
TL;DR
This review explores the multiferroic properties of Bismuth-based perovskites, emphasizing BiFeO3's phase diagram and magnetoelectric effects, and examining the structural competition in various BiBO3 compounds.
Contribution
It provides a comprehensive overview of recent advances in understanding the phase behavior and multiferroic phenomena in Bismuth-based perovskites.
Findings
BiFeO3 exhibits complex pressure-temperature phase transitions.
Magnetoelectric coupling is significant in BiFeO3.
Structural instabilities influence multiferroic phases in BiBO3 compounds.
Abstract
This review devoted to multiferroic properties of Bismuth-based perovskites falls into two parts. The first part focuses on BiFeO3 and summarizes the recent progress made in the studies of its pressure-temperature phase diagram and magnetoelectric coupling phenomena. The second part discusses in a more general way the issue of polar - and multiferroic - phases in BiBO3 perovskites and the competition between ferroelectricity and other structural instabilities, from an inventory of recently synthetized compounds.
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