采用燃烧法按钙镁比x/y分别为10/0、9/1、8/2、7/3、6/4、5/5合成了CaxMgy(VO4)n:Eu3+荧光粉.利用XRD测试了样品的相组成,结果表明,当x/y＞8/2时样品以Ca3(VO4)2为主晶相,当x/y=8/2时样品中开始出现Ca5Mg4(VO4)6相.利用荧光分光光度计测试了样品的荧光光谱,结果表明,当x/y＞8/2时样品表现为615nm的锐线发射,当x/y＜8/2时样品表现为615nm的锐线发射和400～600nm之间的宽带发射,发光颜色随x/y从10/0到5/5由红色向黄绿色变化.
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