ULTRA SMALL-ANGLE SCATTERING OF NEUTRONS FROM VANADIUM HYDROGEN SYSTEMS

Authors/Editors

AMENITSCH, H

Research Areas

Publication Details

Output type: Journal article

Author list: MIKSOVSKY A, AMENITSCH H, RAUCH H, SEIDL E

Publisher: Academic Verlag GMBH

Publication year: 1992

Volume number: 130

Issue number: 2

Start page: 365

End page: 372

Number of pages: 8

ISSN: 0031-8965

eISSN: 1521-396X

Languages: English-Great Britain (EN-GB)

Unpaywall Data

Open access status: closed

Abstract

Perfect crystal small-angle scattering with channel-cut crystals is used for investigations of the alpha <-- --> (alpha + beta) phase transition in V-H and V-D systems. Characteristic hysteresis effects of several degrees are observed between the heating and cooling cycles. The thickness of the plate-shaped hydride precipitates is of the order of mu-m. From the beam attenuation in the forward direction, the total scattering cross section is deduced. It can be described by an anisotropic harmonic oscillator model for the motion of hydrogen and deuterium in the vanadium lattice.

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