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In-situ EXAFS study on the thermal decomposition of TiH2
Zhou YL(周英丽); Zheng LR(郑黎荣); Chu SQ(储胜启); Zhou, YL; Zheng, LR; Chu, SQ; Wu, M; An, PF; Zhang, J; Hu, TD; Wu M(吴敏); An PF(安鹏飞); Zhang J(张静); Hu TD(胡天斗)
2014
发表期刊CHINESE PHYSICS C
卷号38期号:3页码:38001
摘要Thermal decomposition behaviors of TiH2 powder under a flowing helium atmosphere and in a low vacuum condition have been studied using an in situ EXAFS technique. By an EXAFS analysis containing the multiple scattering paths including H atoms, the changes of the hydrogen stoichiometric ratio and the phase transformation sequence are obtained. The results demonstrate that the initial decomposition temperature is dependent on experimental conditions, which occurs, respectively, at about 300 and 400 degrees C in a low vacuum condition and under a flowing helium atmosphere. During the decomposition process of TiH2 in a low vacuum condition, the sample experiences a phase change process: delta(TiH2)->delta(TiHx)->delta(TiHx)+beta(TiHx)->delta(TiHx)+beta(TiHx)+alpha(Ti)->delta(TiHx)+beta(TiHx)+alpha(Ti)->alpha(Ti)+beta(Ti). This study offers a way to detect the structural information of hydrogen. A detailed discussion about the decomposition process of TiH2 is given in this paper.
关键词TiH2 decomposition EXAFS local information of hydrogen multiple scattering paths
学科领域Physics
DOI10.1088/1674-1137/38/3/038001
收录类别SCI
WOS记录号WOS:000332920700016
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224915
专题多学科研究中心
粒子天体物理中心
推荐引用方式
GB/T 7714
Zhou YL,Zheng LR,Chu SQ,et al. In-situ EXAFS study on the thermal decomposition of TiH2[J]. CHINESE PHYSICS C,2014,38(3):38001.
APA 周英丽.,郑黎荣.,储胜启.,Zhou, YL.,Zheng, LR.,...&胡天斗.(2014).In-situ EXAFS study on the thermal decomposition of TiH2.CHINESE PHYSICS C,38(3),38001.
MLA 周英丽,et al."In-situ EXAFS study on the thermal decomposition of TiH2".CHINESE PHYSICS C 38.3(2014):38001.
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