The enhancement of birefringence resulted from anionic dimensionality changes through adjusting cationic density
Liu, LL (Liu, Lili); Yang, Y (Yang, Yun); Yang, ZH (Yang, Zhihua); Pan, SL (Pan, Shilie); Yang, Y
2017
发表期刊JOURNAL OF ALLOYS AND COMPOUNDS
卷号717期号:9页码:317-325
摘要Single crystals of a new series of alkaline metal molybdates, LiNa3(MoO4)(2) and LiAMo(3)O(10) (A - K+, Rb+, Cs+), have been successfully synthesized through conventional high-temperature solid-state reactions. The compounds are structurally characterized by single-crystal X-ray diffraction and exhibit three-dimensional (3D) crystal structures consisting of 0D or 1D Mo-O framework. Interestingly, when Mo-O dimensionality changes from 0D of LiNa3(MoO4)(2) to 1D of LiAMo(3)O(10), the birefringence of LiAMo(3)O(10) is significantly enhanced to as large as BaTeMo2O9 and Na2TeW2O9. The differences of bandgaps induced by anionic-group dimensionality are also discussed based on structural and theoretical analyses, which illuminate that the bandgap tends to be relatively broad for compounds with isolated MoO4 tetrahedra in alkaline metal molybdate family. In addition, the dimensional reduction formalism was applied in the alkaline metal molybdate system to explore the changes of Mo-O framework along with cation/Mo ratio for the first time.
关键词Alkaline Metal Molybdates Crystal Structures Enhancement Of Birefringence Bandgap Theoretical Calculations
DOI10.1016/j.jallcom.2017.05.065
收录类别SCI
WOS记录号WOS:000402931200041
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文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/4828
专题中国科学院特殊环境功能材料与器件重点试验室
通讯作者Yang, Y
作者单位1.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Xinjiang Key Lab Elect Informat Mat & Devices, Key Lab Funct Mat & Devices Special Environm, 40-1 South Beijing Rd, Urumqi 830011, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Liu, LL ,Yang, Y ,Yang, ZH ,et al. The enhancement of birefringence resulted from anionic dimensionality changes through adjusting cationic density[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2017,717(9):317-325.
APA Liu, LL ,Yang, Y ,Yang, ZH ,Pan, SL ,&Yang, Y.(2017).The enhancement of birefringence resulted from anionic dimensionality changes through adjusting cationic density.JOURNAL OF ALLOYS AND COMPOUNDS,717(9),317-325.
MLA Liu, LL ,et al."The enhancement of birefringence resulted from anionic dimensionality changes through adjusting cationic density".JOURNAL OF ALLOYS AND COMPOUNDS 717.9(2017):317-325.
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