钙钛矿氧化物BaMO_(3)(M为过渡金属)的晶体结构和物理性质

Crystal Structure and Physica Properties of Perovskite Oxide BaMO_(3)(M Being Transition Metal)

钙钛矿氧化物BaMO_(3)(M为过渡族金属)具有复杂的晶体结构和物理性质,本文系统地总结了BaMO_(3)的研究进展,重点关注在M元素变化过程中晶体结构和物理性质的演化,以及高压调控下的结构相变、电输运性质和磁学性质的变化,讨论了M离子半径及合成压力对六方钙钛矿到钙钛矿演化过程的影响,同时对该领域中一些问题做了展望,探讨了这一体系可能出现的新的原子组合和结构,相应材料可能具有的新特性和科学意义。

The perovskite oxide BaMO_(3)(M being transition metal)has a complex crystal structure and physical properties.This article systematically summarizes the research progress,focusing on the evolution of crystal structure and physical properties during the M element change process,as well as the structural phase transition,electrical transport properties,and magnetic properties regulation under high-pressure.The influence of M ion radius and synthesis pressure on the evolution process from hexagonal perovskite to perovskite is discussed,and some issues in this field are also discussed.The possible new atomic combinations and structures in this system,as well as the new characteristics and scientific significance of these corresponding materials,are discussed.