Synthesis, structures and properties of two new nitrate optical materials: Rb3ZnNO3Cl4 and Rb5Na(NO3)4Cl2

被引:0
|
作者
Liu, Changyou [1 ]
Hou, Ketian [1 ]
Zhang, Bei [1 ]
机构
[1] Xinjiang Univ, Sch Phys Sci & Technol, Urumqi 830046, Xinjiang, Peoples R China
基金
中国国家自然科学基金;
关键词
UV; Birefringence; Nitrate optical materials; LARGE 2ND-HARMONIC GENERATION; BIREFRINGENCE; CRYSTAL; ENHANCEMENT; PEROVSKITE; ANISOTROPY; FLUORIDE; GROWTH;
D O I
10.1016/j.rinp.2024.107340
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Two new nitrates Rb3ZnNO3Cl4 and Rb5Na(NO3)4Cl2 have been synthesized by hydrothermal method, and they are crystallized in orthorhombic space group Pnma (no. 62) and tetragonal space group P4/mnc (no. 128), respectively. ZnCl4 and RbO3Cl6 polyhedron, NaO4Cl2 and RbO8Cl2 polyhedron are connected by sharing O or Cl atoms to construct three-dimensional (3D) frameworks with trigonal plane NO3 units as pseudo-layers, in which different types of channels are presented. In addition, Rb5Na(NO3)4Cl2 exhibits a perovskite-related framework, and Rb3ZnNO3Cl4 crystals is grown with dimensions up to 5x4.5x1 mm3. Notably, these two compounds have short UV cut-off edge (below 222 nm and 238 nm, respectively). Theoretical calculations indicate that the birefringence enhancement is mainly derived from pi-conjugated NO3 units.
引用
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页数:5
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