钙钛矿型稀土镍酸盐RNiO3体系的金属-绝缘态相变研究进展RESEARCH PROGRESS ON THE METAL-INSULATOR PHASE TRANSITION OF PEROVSKITE RARE-EARTH NICKELATE RNIO3
郝丹辉,柴瑞鹏,梁良,夏龙耀,王中伟,刘沛基
摘要(Abstract)：
近年来钙钛矿型氧化物材料由于其丰富的光学、电学和磁学性能引起人们极大的关注，特别是钙钛矿型稀土镍酸盐RNiO_3(R为稀土离子，R≠La)体系，因具有许多独特的光学性能、不同寻常的电荷有序和磁有序排列以及陡峭的金属-绝缘态相变等，其在开关、热致变色器件和传感器等方面有着重要的应用价值。本文从钙钛矿型稀土镍酸盐RNiO_3体系的晶体结构出发，综合介绍RNiO_3体系在金属-绝缘态相变、磁电性质以及光学特性等方面的研究进展，并对M-I相变的物理化学机理进行初步的讨论。
关键词(KeyWords)： 钙钛矿稀土镍酸盐;金属-绝缘态相变;光学特性;电磁性能
基金项目(Foundation): 西安建筑科技大学华清学院大学生创新创业训练计划项目(Y202213679002);西安建筑科技大学华清学院科研项目
作者(Author): 郝丹辉,柴瑞鹏,梁良,夏龙耀,王中伟,刘沛基
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