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| Pressure-induced phase transition of lead phosphate Pb3(PO4)2: X-ray diffraction and XANES | |
| Fei Qin; X. Wu; S.M. Zhai; S. Qin; K. Yang; D.L. Chen; Y.C. Li | |
| 2014 | |
| 发表期刊 | Phase Transitions
 |
| 卷号 | 87期号:12页码:1255-1264 |
| 摘要 | Lead phosphate Pb3(PO4)2 was investigated by in situ synchrotron radiation X-ray diffraction and X-ray absorption near-edge structure (XANES) combined with diamond anvil cell technique up to 60.9 GPa. A pressure-induced phase transition of Pb3(PO4)2 was observed from monoclinic (C2/c) to trigonal ( |
| 关键词 | Pb3(Po4)2 Phase Transition Compressibility Xrd Xanes |
| 收录类别 | SCI |
| 语种 | 英语 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.gyig.ac.cn/handle/42920512-1/11189 |
| 专题 | 地球内部物质高温高压实验室 |
| 作者单位 | 1.Key Laboratory of Orogenic Belts and Crustal Evolution, School of Earth and Space Sciences, Peking University, Beijing, China 2.Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, China 3.Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, China 4.Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China |
| 推荐引用方式 GB/T 7714 | Fei Qin;X. Wu; S.M. Zhai;S. Qin;K. Yang;D.L. Chen;Y.C. Li. Pressure-induced phase transition of lead phosphate Pb3(PO4)2: X-ray diffraction and XANES[J]. Phase Transitions,2014,87(12):1255-1264. |
| APA | Fei Qin;X. Wu; S.M. Zhai;S. Qin;K. Yang;D.L. Chen;Y.C. Li.(2014).Pressure-induced phase transition of lead phosphate Pb3(PO4)2: X-ray diffraction and XANES.Phase Transitions,87(12),1255-1264. |
| MLA | Fei Qin;X. Wu; S.M. Zhai;S. Qin;K. Yang;D.L. Chen;Y.C. Li."Pressure-induced phase transition of lead phosphate Pb3(PO4)2: X-ray diffraction and XANES".Phase Transitions 87.12(2014):1255-1264. |
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| Pressure-induced pha（503KB） | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | 浏览 下载 | |
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) phases at about 1.7 GPa at room temperature. The high-pressure annealing experiment indicates that the trigonal phase of Pb3(PO4)2 is stable at least up to 60.9 GPa. Isothermal pressure–volume relationship of trigonal Pb3(PO4)2 is well described by the third-order Birch–Murnaghan equation of state with V0 = 533(1) Å3, K0 = 89(4) GPa and K0′ = 5.8(2). In trigonal Pb3(PO4)2, the a-axis is more compressible than the c-axis, showing an anisotropy elasticity. XANES results reveal the evolution of Pb local environment, i.e. the first-shell coordination number of Pb1 changes from 9 to 12 and the average Pb–O bond length increases at the crossover of C2/c-to-
phase transition.
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