采用溶胶-凝胶法制备了1mol%、3mol%、5mol%、8mol%Ho3+掺杂的Ba0.65Sr0.35TiO3薄膜,研究了薄膜的表面AFM、XRD谱,光学透射谱和光致发光谱.结果表明:Ho3+浓度从1mol%增加到8mol%时,BST薄膜的晶格常数先增大后减小;位于615、650和750nm处的发光,分别对应5F3→5F7、5F5一fF8和5S2、5F4一5F7的跃迁,发光谱和5S2,5F4的寿命谱分析表明,在Ho3+浓度为3mol%时三个发光带强度均最大.并分析了Ho3+与Ba2+/Sr2+/Ti4+的离子位置替代机制及交叉弛豫机制.
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