| A new cell for X-ray absorption spectroscopy study under high pressure |
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| 作者姓名： | 郑黎荣 车荣征 刘景 杜永华 周英丽 胡天斗 |
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| 作者单位： | 1 Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China;2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China |
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| 基金项目： | Supported by National Natural Science Foundation of China (10575117) |
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| 摘 要： | X-ray absorption fine structure （XAFS） spectroscopy is a powerful technique for the investigation of the local environment around selected atoms in condensed matter. XAFS under pressure is an important method for the synchrotron source. We design a cell for a high pressure XAFS experiment. Sintered boron carbide is used as the anvils of this high pressure cell in order to obtain a full XAFS spectrum free from diffraction peaks. In addition, a hydraulic pump was adopted to make in-suit pressure modulation. High quality XAFS spectra of ZrH2 under high pressure （up to 13 GPa） were obtained by this cell.
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| 关 键 词： | X射线吸收光谱 高压 细胞 XAFS实验 X射线吸收精细结构 XAFS谱 同步辐射光源 环境调查 |
| 收稿时间： | 2008-11-1 |
| 修稿时间： | 2008-11-25 |
A new cell for X-ray absorption spectroscopy study under high pressure |
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| Institution: | [1]Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China; [2]Graduate University of Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: | X-ray absorption fine structure (XAFS) spectroscopy is a powerful technique for the investigation of the local environment around selected atoms in condensed matter. XAFS under pressure is an important method for the synchrotron source. We design a cell for a high pressure XAFS experiment. Sintered boron carbide is used as the anvils of this high pressure cell in order to obtain a full XAFS spectrum free from diffraction peaks. In addition, a hydraulic pump was adopted to make in-suit pressure modulation. H... |
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| Keywords: | high pressure XAFS boron carbide |
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