期刊
SOLID STATE SCIENCES
卷 14, 期 7, 页码 936-940出版社
ELSEVIER
DOI: 10.1016/j.solidstatesciences.2012.04.035
关键词
K3ZnB5O10; Single crystal growth; X-ray diffraction; Optical properties
资金
- Natural Science Foundation of Xinjiang Uygur Autonomous Region of China [200821159, 2009211B33, 2010211B25]
- National Natural Science Foundation of China [U1129301, 21101167, 21101168, 11104344]
- Chinese Academy of Sciences [KJCX2-EW-H03-03]
- Western Light Joint Scholar Foundation of Chinese Academy of Sciences
- Xinjiang Uygur Autonomous Region of China [201130111, 201116143]
A new compound. K3ZnB5O10, has been synthesized by solid-state reaction. It crystallizes in the monoclinic system, space group P2(1)/n with unit-cell parameters a = 7.6391(5) angstrom, b = 19.2304(13) angstrom, c = 7.6905(5) angstrom beta = 116.698(4)degrees and Z = 4. The structure of the compound is solved by the direct methods and refined to R1 = 0.0286 and wR2 = 0.0600. K3ZnB5O10 contains a two-dimensional ZnB5O10 layer, which forms by connecting isolated double ring [B5O10] groups and ZnO4 tetrahedra. The K atoms filling in the interlayer and intralayer link the layers together. Functional groups presented in the sample were identified by FTIR spectrum. UV-vis-NIR diffuse reflectance spectrum exhibits ultraviolet cutoff edge is about 190 nm. The DSC analysis proves that K3ZnB5O10 is a congruently melting compound. (C) 2012 Elsevier Masson SAS. All rights reserved.
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