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The measurement of differential EXAFS modulated by high pressure.
MedLine Citation:
PMID:  21862852     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Differential EXAFS (DiffEXAFS) is able to detect subtle atomic perturbations in the local area of the absorbing atom. Here a new method of performing DiffEXAFS experiments under the modulation of high pressure has been developed. Periodic pressure was achieved in the gasket with the help of a dynamic diamond anvil cell, and the measurements were conducted in common energy-scanning mode. This technique has been utilized on ZnSe at 4.8 GPa. The present results have demonstrated a good agreement with the equation of state of ZnSe, and revealed sensitivity to atomic displacements of one order higher in magnitude than that of conventional EXAFS.
Authors:
Shengqi Chu; Lirong Zheng; Yingli Zhou; Aiyu Zhou; Jing Zhang; Rongzheng Che; Jing Liu; Tiandou Hu
Publication Detail:
Type:  Journal Article     Date:  2011-07-16
Journal Detail:
Title:  Journal of synchrotron radiation     Volume:  18     ISSN:  1600-5775     ISO Abbreviation:  J Synchrotron Radiat     Publication Date:  2011 Sep 
Date Detail:
Created Date:  2011-08-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9888878     Medline TA:  J Synchrotron Radiat     Country:  Denmark    
Other Details:
Languages:  eng     Pagination:  728-32     Citation Subset:  IM    
Affiliation:
Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, People's Republic of China.
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