A new cell for X-ray absorption spectroscopy study under high pressure

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.

作 者： ZHENG Li-Rong CHE Rong-Zheng LIU Jing DU Yong-Hua ZHOU Ying-Li HU Tian-Dou   作者單位： ZHENG Li-Rong(Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China;Graduate University of Chinese Academy of Sciences, Beijing 100049, China)

CHE Rong-Zheng,LIU Jing,DU Yong-Hua,ZHOU Ying-Li,HU Tian-Dou(Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China) 

刊 名： 中國物理C（英文版）  ISTIC 英文刊名： CHINESE PHYSICS　C  年，卷(期)： 2009 33(8)  分類號： O4  關鍵詞： high pressure   XAFS   boron carbide  

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