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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
Source PublicationCHINESE PHYSICS C
ISSN1674-1137
EISSN2058-6132
Volume38Issue:3Pages:38001
AbstractThermal 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.
KeywordTiH2 decomposition EXAFS local information of hydrogen multiple scattering paths
Subject AreaPhysics
DOI10.1088/1674-1137/38/3/038001
Indexed BySCI ; ADS
Language英语
WOS IDWOS:000332920700016
ADS Bibcode2014ChPhC..38c8001Z
ADS URLhttps://ui.adsabs.harvard.edu/abs/2014ChPhC..38c8001Z
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2014ChPhC..38c8001Z/citations
Citation statistics
Cited Times:2 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/224915
Collection多学科研究中心
Recommended Citation
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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