采用助熔剂自发成核法,探索了生长YBaNa(BO3)2晶体的不同助熔剂体系,从中选出2Na2CO3-4H3BO3-BaCO3做助熔剂,生长了YBaNa(BO3)2晶体.采用X射线衍射(XRD),红外吸收光谱和透过光谱,差热失重分析对生长的晶体进行了表征.结果表明,晶体属于六方晶系,空间群为R3,晶胞参数为a=0.53382(2) nm,c=3.58303(19) nm.BO3-3基团存在于晶体结构中,晶体的紫外截止波长在208 nm左右,晶体在800℃时有明显的相变点.
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