摘要
同时具有铁电、铁磁、铁弹特性的多铁性材料在功能器件中具有潜在的应用前景。BiFeO3是唯一居里温度和尼尔温度均在室温以上的多铁性材料。综述了多铁性材料BiFeO3的结构、制备、掺杂改性研究进展,指出了BiFeO3材料存在的问题,提出了BiFeO3材料今后可能的研究方向。
Multiferroic materials,coexisting of ferroelectric,ferromagnetic and ferroelastic properties,possess potential applications in functional devices.BiFeO3 is the unique multiferroic material whose Curie temperature and Neel temperature are above room temperature.The latest research progress of structure,preparation and doping of multiferroic material BiFeO3 are summarized.The problems existing in the application of BiFeO3 material are pointed out and the development trends of BiFeO3 materials are forecasted.
出处
《电子元件与材料》
CAS
CSCD
北大核心
2011年第7期76-80,共5页
Electronic Components And Materials
基金
江苏省自然科学基金资助项目(No.BK2005039)
关键词
多铁性
BIFEO3
综述
制备
掺杂改性
multiferroic
BiFeO3
review
preparation
doping modification Application of Zintl structural chemistry on study of thermoelectric materials CAO Qigao
MA Guang
ZHENG Jing
JIA Zhihua
JIANG Ting（Northwest Institute for Nonferrous Metal Research
Xi＇an 710016
China） Abstract：Zintl phases make ideal candidates for thermoelectric materials because of the necessary ＂electron crystal-phonon glass＂ property.Their thermoelectric performance could be improved through chemical doping and structural modifications.The Zintl structural chemistry principles for performance optimization of thermoelectric materials are explained.The application of Zintl structural chemistry in research of high performance thermoelectric materials is introduced.The development of high performance thermoelectric materials could benefit from the continued application of Zintl structural chemistry on thermoelectric materials.Key words：Zintl structural chemistry
thermoelectric materials
review
