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| Crystal structure of norsethite-type BaMn(CO3)2 and its pressure-induced transition investigated by Raman spectroscopy | |
| Wen Liang; Lin Li; Yuan Yin; Rui Li; Zeming Li; Xiqiang Liu; Chaoshuai Zhao; Shuguang Yang; Yong Meng; Zengsheng Li; Yu He; Heping Li | |
| 2019 | |
| 发表期刊 | Physics and Chemistry of Minerals
 |
| 卷号 | 46期号:8页码:771-781 |
| 摘要 | Single crystals of norsethite-type carbonate BaMn(CO3)2 up to 200 μm in size were synthesized in a closed cavity under high pressure–temperature (P–T) conditions. Electron microprobe analyses revealed the composition of 49.00–49.09 wt% BaO and 22.66–22.74 wt% MnO, which correspond well to the ideal formula of Ba1.0Mn1.0(CO3)2. Accurate crystalline structural data were determined from single crystal X-ray diffraction (XRD). The R3¯¯¯cR3¯c space-group with a doubled c-axis and R3¯¯¯mR3¯m space-group were used to refine the crystal structure of BaMn(CO3)2. It is proved that R3¯¯¯mR3¯m is the most probable space-group for the BaMn(CO3)2 crystal structure because no superstructure reflections were observed in the X-ray images. The unit cell parameters were identified to be a = 5.0827(2) Å and c = 17.2797(10) Å in the rhombohedral symmetry of the R3¯¯¯mR3¯m space-group with a final R-value of 0.0184. High-pressure Raman spectroscopy was performed up to 10 GPa at room temperature, and Raman band shifts (dνidPdνidP) were quantified. Each Raman vibration underwent resolvable splitting and the corresponding dνidPdνidP showed a pronounced jump as the pressure reached 3.8 GPa arising from a pressure-induced transition. |
| 关键词 | Norsethite-type Bamn(Co3)2 single Crystal Growth single Crystal X-ray Difraction high-pressure Raman Spectroscopy |
| 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/42920512-1/10850 |
| 专题 | 地球内部物质高温高压实验室 |
| 作者单位 | 1.Key Laboratory of High Temperature and High Pressure Study of the Earth’s Interior, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China 2.State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, 29 Xueyuan Road, Beijing 100083, China 3.State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China 4.University of Chinese Academy of Sciences, Beijing 100049, China 5.Shandong Geological Sciences Institute, Jinan 250013, China 6.Institute of Science Research, China University of Geosciences, 29 Xueyuan Road, Beijing 100083, China |
| 推荐引用方式 GB/T 7714 | Wen Liang；Lin Li；Yuan Yin；Rui Li；Zeming Li；Xiqiang Liu；Chaoshuai Zhao；Shuguang Yang；Yong Meng；Zengsheng Li；Yu He；Heping Li. Crystal structure of norsethite-type BaMn(CO3)2 and its pressure-induced transition investigated by Raman spectroscopy[J]. Physics and Chemistry of Minerals,2019,46(8):771-781. |
| APA | Wen Liang；Lin Li；Yuan Yin；Rui Li；Zeming Li；Xiqiang Liu；Chaoshuai Zhao；Shuguang Yang；Yong Meng；Zengsheng Li；Yu He；Heping Li.(2019).Crystal structure of norsethite-type BaMn(CO3)2 and its pressure-induced transition investigated by Raman spectroscopy.Physics and Chemistry of Minerals,46(8),771-781. |
| MLA | Wen Liang；Lin Li；Yuan Yin；Rui Li；Zeming Li；Xiqiang Liu；Chaoshuai Zhao；Shuguang Yang；Yong Meng；Zengsheng Li；Yu He；Heping Li."Crystal structure of norsethite-type BaMn(CO3)2 and its pressure-induced transition investigated by Raman spectroscopy".Physics and Chemistry of Minerals 46.8(2019):771-781. |
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