在500 ℃高真空条件下,制备了KPb2Cl5原料,对原料进行了XRD分析,表明该方法能得到纯相的KPb2Cl5.利用改进的布里奇曼法进行了生长KPb2Cl5单晶的实验,得到了直径15 mm的原晶,并测试了晶体样品的基本红外透过性能.结果显示:不镀膜的情况下,3～20 μm的中红外波段,透过率约为80%,具有很好的红外光学性能.
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