| Synthesis,Structure and Characterization of Three Metal Molybdate Hydrates: Fe(H2O)2(MoO4)2·H3O,NaCo2(MoO4)2(H3O2)and Mn2(MoO4)3·2H3O |
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| 基金项目： | Supported by the National Natural Science Foundation of China(Nos.20971054, 90922034) and the Key Project of the Mi- nistry of Education of China(No.2009-49). |
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| 摘 要： | Three metal molybdate hydrates,Fe(H2O)2(MoO4)2·H3O(FeMo),NaCo2(MoO4)2(H3O2)(CoMo)and Mn2(MoO4)3·2H3O(MnMo),were synthesized by the mixed-solvent-thermal methods and characterized by singlecrystal X-ray...
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| 收稿时间： | 2011-03-01 |
Synthesis,Structure and Characterization of Three Metal Molybdate Hydrates: Fe(H2O)2(MoO4)2·H3O,NaCo2(MoO4)2(H3O2) and Mn2(MoO4)3·2H3O |
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| Authors: | YU Yang LIU Dan HU Wei-wei LI Jia PENG Yu ZHOU Qi YANG Fen LI Guang-hua SHI Zhan FENG Shou-hua |
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| Institution: | State Key Laboratory of Inorganic Synthesis & Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R. China |
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| Abstract: | Three metal molybdate hydrates, Fe(H2O)2(MoO4)2·H3O(FeMo), NaCo2(MoO4)2(H3O2)(CoMo) and Mn2(MoO4)3·2H3O(MnMo), were synthesized by the mixed-solvent-thermal methods and characterized by single- crystal X-ray diffraction. X-Ray photoelectron spectroscopy and bond-valence sums were applied to confirming the valance of Fe, Co, Mn and Mo. Thermo-gravimetric analysis and X-ray powder diffraction measurements indicate that the samples were converted to different structural compounds upon heating in air at 600 °C for 1 h. The magnetic properties of these compounds were studied. The dominant magnetic interactions are antiferromagnetic in nature. However, different synthesis conditions led to the diversity of magnetic properties of compound CoMo. |
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| Keywords: | Mixed-solvent-thermal synthesis Crystal structure Transition metal molybdate Magnetic property |
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