【摘要】 钛酸锶钡(Ba_xSr_1-xTiO₃,BST)薄膜具有优良的铁电、介电性能,在可调谐微波器件、动态随机存储器、红外探测器阵列等方面具有良好的应用前景。综述了近年来 BST 薄膜掺杂改性研究所取得的进展,特别是对晶格掺杂和晶界掺杂进行了较详细的评述,并对目前 BST 薄膜掺杂研究的几个前沿问题进行了详细的讨论。更多还原

【Abstract】 Barium strontium titanate(BST)thin films possess good ferroelectric and dielectric properties.They are promising materials in application of tunable microwave devices,DRAMs,IR detector arrays and so on.This paper summarizs the effect of donor doing,aceeptor doping and grain boundary doping in lAST thin films reported in many lit- eratures recently years.Some advanced problems in BST thin films doping are also carefully dscussed here.更多还原