采用高温固相法合成了长余辉发光材料Sr3-xCaxAl2O6:Eu2+,Dy3+(x=0,1,2,3),研究了样品的结构、光致发光、余辉发光和热释发光性能.结果表明:所制备的样品具有相似的结构,均为立方结构的Sr3-xCaxA12O6.Sr/Ca比例的变化并没有引起基质结构的相变,但对样品的发光性能产生了显著影响；样品的余辉衰减曲线符合双指数衰减,但不同样品的初始强度和衰减快慢不同；通过调节锶钙比的方法,可以有效调控样品光致发光的颜色和余辉衰减特性.此外,测试样品的热释光曲线发现当样品中有两种不同深度的陷阱能级时,样品的余辉强度明显减弱,这可能与电子在不同的陷阱能级的转移有关.
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