Open AccessHigh pressure synthesis and physical properties of multiferroic materials with multiply-ordered perovskite structure
Author(s) -
Long Zhang,
Xiao Wang,
Huimin Zhang,
Shen Xu-Dong,
Shuai Dong,
Yao Long
Publication year - 2018
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.67.20180878
Subject(s) - multiferroics , ferroelectricity , materials science , spintronics , polarization (electrochemistry) , poling , condensed matter physics , perovskite (structure) , magnetoelectric effect , ferromagnetism , crystallography , optoelectronics , physics , dielectric , chemistry
Perovskite is one of the most important material systems for magnetoelectric multiferroic study. However, multiferroic is not expected to occur in a cubic perovskite on account of the highly symmetric crystal structure. Besides, magnetoelectric multiferroics with large ferroelectric polarization and strong magnetoelectric coupling have not been found to occur simultaneously in a single-phase multiferroic material discovered so far, challenging to the potential applications of this kind of material. Here we briefly review two multiferroic materials with multiply-ordered perovskite structure synthesized under high pressure and high temperature conditions. In the cubic perovskite LaMn3Cr4O12, we observed spin-induced ferroelectric polarization, providing the first example where ferroelectric takes place in a cubic perovskite material. In another multiply-ordered provskite BiMn3Cr4O12, type-I and type-Ⅱ multiferroic phases successively developed when cooled. It provides a rare example where two different types of multiferroic phases occur subsequently so that both large polarization and strong magnetoelectric effect are achieved in a single-phase material. In addition, since double ferroelectric phases take place in BiMn3Cr4O12, one can obtain four different polarization states by adopting different poling procedures, thus opening up a new way for generating multifunctional spintronics and multistate storage devices.