Structure and optical properties of a noncentrosymmetric borate RbSr4(BO3)3

被引:27
作者
Xia, M. J. [1 ]
Li, R. K. [1 ]
机构
[1] Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Funct Crystals & Laser Technol, Beijing Ctr Crystal Res & Dev, Beijing 100190, Peoples R China
基金
中国国家自然科学基金;
关键词
RbSr4(BO3)(3); Crystal growth; Apatite-like structure; Nonlinear optical properties; ALKALINE BERYLLIUM BORATE; RELATIVE PROPERTIES; MM'(4)(BO3)(3) M; NLO CRYSTALS; GROWTH; NA; M';
D O I
10.1016/j.jssc.2012.08.058
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A new noncentrosymmetric borate, RbSr4(BO3)(3) (abbreviated as RSBO), has been grown from Rb2O-B2O3-RbF flux and its crystal structure was determined by single crystal x-ray diffraction. It crystallizes in space group Ama2 with cell parameters of a=11.128(10) angstrom, 6=12.155(15) angstrom, c=6.952(7) angstrom, Z=4. The basic structural units are isolated planar BO3 groups. Second harmonic generation (SHG) test of the title compound by the Kurtz-Perry method shows that RSBO can be phase matchable with an effective SHG coefficient about two-thirds as large as that of KH2PO4 (KDP). Finally, based on the anionic group approximation, the optical properties of the title compound are compared with those of the structure-related apatite-like compounds with the formula "A(5)(TOn)(3)X". (C) 2012 Elsevier Inc. All rights reserved.
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页码:366 / 369
页数:4
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