Crystal growth, structure and optical properties of a new acentric crystal La2Al4.68B8O22 with a short UV absorption edge
Crystal growth, structure and optical properties of a new acentric crystal La2Al4.68B8O22 with a short UV absorption edge
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新型短紫外吸收边无心晶体La2Al4.68B8O22的晶体生长、结构和光学性质
DOI：
10.1039/c5nj03646a
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发表时间：
2016
影响因子：
3.3
通讯作者：
Chen Chuangtian
中科院分区：
文献类型：
--
作者：
Guo Shu;Liu Lijuan;Xia Mingjun;Wang Xiaoyang;Bai Lei;Xu Bo;Huang Qian;Chen Chuangtian
采用固相法合成了一种新的无中心硼酸盐La2Al4.68B8O22晶体，并在B2O3-LiF助熔剂的条件下，采用顶种溶液生长法成功地生长了单晶。标题晶体的结构是由[BO4]和[AlO5]基团组成的二维层状结构，它们由[la6]多面体的骨架结构沿c轴桥接。首次系统地评价了其光学性能，包括透射光谱、红外光谱和折射率。
A new acentric borate La2Al4.68B8O22 crystal was synthesized by a solid state reaction and the single crystals were successfully grown with B2O3–LiF flux using the top-seeded solution growth method. The structure of the titled crystal features a two-dimensional layered structure composed of [BO4] and [AlO5] groups that are bridged by the skeletal structure of the [LaO6] polyhedron along the c axis. Optical properties including the transmittance spectrum, IR spectrum and refractive indices have been systematically evaluated for the first time.