UNSPECIFIED. (1991) NMR-STUDIES OF DIFFUSION ANISOTROPY IN METAL HYDRIDE SINGLE-CRYSTALS. JOURNAL OF THE LESS-COMMON METALS, 172 (Part B). pp. 603-610. ISSN 0022-5088

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Abstract

We report on a theoretical and experimental study of hydrogen diffusion in single crystals of alpha-ScH0.25 and beta-V2H which was concerned with the anisotropy of the NMR relaxation rate R1. In alpha-ScH0.25 we find appreciable anisotropy at low temperature associated with local one-dimensional motion; theory and experiment agree fairly well on both the magnitude and the angular dependence of the anisotropy. In beta-V2H the calculations made use of jump times obtained from neutron scattering. In this case again experiment and theory agree on shape; here experiment gives a larger magnitude.

Item Type:	Journal Article
Subjects:	Q Science > QD Chemistry T Technology > TN Mining engineering. Metallurgy
Journal or Publication Title:	JOURNAL OF THE LESS-COMMON METALS
Publisher:	ELSEVIER SCIENCE SA LAUSANNE
ISSN:	0022-5088
Date:	30 August 1991
Volume:	172
Number:	Part B
Number of Pages:	8
Page Range:	pp. 603-610
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/22465

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