Hojo Hajime, Oka Kengo, Shimizu Keisuke, Yamamoto Hajime, Kawabe Ryo, Azuma Masaki
Laboratory for Materials and Structures, Tokyo Institute of Technology, Yokohama, 226-8503, Japan.
Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, Tokyo, 112-8551, Japan.
Adv Mater. 2018 Jun 19:e1705665. doi: 10.1002/adma.201705665.
Bismuth ferrite (BiFeO ) is the most widely studied multiferroic material with robust ferroelectricity and antiferromagnetic ordering at room temperature. One of the possible device applications of this material is one that utilizes the ferroelectric/piezoelectric property itself such as ferroelectric memory components, actuators, and so on. Other applications are more challenging and make full use of its multiferroic property to realize novel spintronics and magnetic memory devices, which can be addressed electrically as well as magnetically. This progress report summarizes the recent attempt to control the piezoelectric and magnetic properties of BiFeO by cobalt substitution.
铋铁氧体（BiFeO₃）是研究最为广泛的多铁性材料，在室温下具有强大的铁电性和反铁磁有序性。这种材料可能的器件应用之一是利用铁电/压电特性本身，如铁电存储元件、致动器等。其他应用则更具挑战性，充分利用其多铁性特性来实现新型自旋电子学和磁存储器件，这些器件可以通过电和磁两种方式进行寻址。本进展报告总结了最近通过钴替代来控制BiFeO₃的压电和磁性能的尝试。
