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题名: Reinvestigation and Characterization of the Magnesium Borate Fluoride Mg-5(BO3)F
作者: Bai, Chunyan; Han, Shujuan; Pan, Shilie; Bian, Qiang; Yang, Zhihua; Zhang, Xingwen; Lin, Xiaoxia; Jing, Qun
关键词: Mg-5(BO3)(3)F ; Magnesium ; Boron ; Fluorine ; Crystal structure ; Diffuse reflectance spectroscopy
刊名: ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE
发表日期: 2014
DOI: 10.1002/zaac.201400244
卷: 640, 期:10, 页:2013-2018
收录类别: SCI
摘要: The magnesium borate fluoride Mg-5(BO3)(3)F was grown by spontaneous crystallization with molten flux based on the MgF2-LiF-Na2CO3-H3BO3 solvent. Structure solution from single-crystal X-ray diffraction shows that the title compound crystallizes in the orthorhombic space group Pnma (No. 62) with cell dimensions of a = 10.068(5) angstrom, b = 14.858(7) angstrom, c = 4.540(2) angstrom and Z = 4. Its structure features a three-dimensional (3D) Mg-O-F framework composed of MgO5F and MgO6 polyhedra and isolated BO3 groups. The detailed structure comparison referred to Mg-5(BO3)(3)F, Mg3BO3F3 and beta-Mg2BO3F was carried out. The infrared spectrum (IR) and the bond valence sum (BVS) calculations of Mg-5(BO3)(3)F verify the validity of the structure. The calculated band structure and the density of states of Mg-5(BO3)(3)F suggest that its indirect bandgap is 5.27 eV. The compound was additionally investigated by UV/ Vis-NIR diffuse reflectance spectroscopy and thermal analysis.
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/3753
Appears in Collections:中国科学院特殊环境功能材料与器件重点试验室_期刊论文

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作者单位: Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Xinjiang Key Lab Elect Informat Mat & Devices, Key Lab Funct Mat & Devices Special Environm, Urumqi 830011, Peoples R China;Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Bai, Chunyan,Han, Shujuan,Pan, Shilie,et al. Reinvestigation and Characterization of the Magnesium Borate Fluoride Mg-5(BO3)F[J]. ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE,2014,640(10):2013-2018.
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文件名: Reinvestigation and Characterization of the Magnesium Borate Fluoride Mg-5(BO3)F.pdf
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