采用高温溶液法从BaCO3,BaF2及H3BO3混合体系中生长出了一种氟硼酸钡晶体,Ba7(BO3)3F5晶体属六方晶系,空间群为P63mc,晶胞参数:a=1.11562(15) nm,c=0.72415(14) nm,Z=2,V=0.7805(2) nm3.Ba7(BO3)3F5晶体结构是由Ba(1)O7F3基团,Ba(2)O4F3基团,Ba(3)O6F4基团和独立的BO3基团相互连接形成的三维空间网络结构.Ba7(BO3)3F5的热分析分析结果表明Ba7(BO3)3F5在1070℃同成份熔化.
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