UNSPECIFIED. (1994) AN NMR-STUDY ON THE LIQUID CESIUM OXYGEN SYSTEM - THE STATE OF OXYGEN AND IONIC ASSOCIATION IN THE METALLIC REGIME. JOURNAL OF PHYSICS-CONDENSED MATTER, 6 (21). pp. 3889-3898. ISSN 0953-8984

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Abstract

The liquid caesium-oxygen system in the metallic regime has been investigated by the NMR technique. Measurements were made of the Knight shift for both Cs-133 and O-17 nuclei, and the nuclear relaxation time, T1, for the latter. The Knight shift for Cs-133 nuclei decreases almost linearly up to 25 at.% of O and further decreases with a steeper slope to the value in Cs2O, while the shift for O-17 nuclei is almost independent of the composition up to 21 at.%. The analysis of T1 suggests that the gradient of the electrostatic field coupled with the nuclear quadrupole moment of O-17 is also insensitive to the composition. The results are discussed with particular reference to the state of the 0 atoms and possible ionic association in the liquid Cs-O system in the metallic regime.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Journal or Publication Title:	JOURNAL OF PHYSICS-CONDENSED MATTER
Publisher:	IOP PUBLISHING LTD
ISSN:	0953-8984
Date:	23 May 1994
Volume:	6
Number:	21
Number of Pages:	10
Page Range:	pp. 3889-3898
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/20627

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