Electrochemistry
Online ISSN : 2186-2451
Print ISSN : 1344-3542
ISSN-L : 1344-3542
Article
High Temperature La-LIII XAFS Analysis of LaC3 and LaOCl
Yasuhiko IWADATEHaruaki MATSUURAAkihiko KAJINAMIKeiichi TAKASENorikazu OHTORINorimasa UMESAKIHirohide KOFUJIMunetaka MYOCHIN
Author information
JOURNAL FREE ACCESS

2005 Volume 73 Issue 8 Pages 710-714

Details
Abstract

The local structures of molten LaCl3 and solid LaOCl at elevated temperatures were deduced from radial distribution analyses through La-LIII absorption-edge XAFS technique. The nearest neighbor La-Cl distance and the coordination number of Cl around La in molten LaCl3 have so far been reported to be about 0.28 nm and nearly equal to 6 from the X-ray diffraction analysis. But the coordination number of Cl around La was evaluated at about 7 according to XAFS technique. By comparing the above results, the local structure of molten LaCl3 was considered whether it would be described as an octahedral-like coordination scheme where La was surrounded by about six to seven Cl’s or the distinct schemes. A similar discussion was made on LaOCl with less solubility against molten salts.

Content from these authors
© 2005 The Electrochemical Society of Japan
Previous article Next article
feedback
Top