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ANTIMONY THIN-FILM TRANSPORT-PROPERTIES AND SIZE EFFECT
Faculty
Science
Year:
1995
Type of Publication:
Article
Pages:
87-91
Authors:
Elfalaky, A
DOI:
10.1007/s003390050075
Journal:
APPLIED PHYSICS A-MATERIALS SCIENCE \& PROCESSING SPRINGER VERLAG
Volume:
60
Research Area:
Materials Science; Physics
ISSN
ISI:A1995QD67700015
Keywords :
ANTIMONY THIN-FILM TRANSPORT-PROPERTIES , SIZE EFFECT
Abstract:
Antimony thin films were vacuum deposited on glass substrates at room temperature. X-ray structural studies were performed. The thickness dependence of both the de electrical resistivity and the Hall coefficient were carried out at room temperature over a thickness range from 29 nm to 216 nm. The type of conduction, the concentration and the mobility of charge carriers were revealed. Analysis incorporating the electrical resistivity and the Hall effect data has led to the determination of the specular and non-specular size-effect parameters. Parameters such as the bulk resistivity (rho(0)), bulk mean free path (lambda(0)), grain-boundary transmission coefficient (t), external surface parameters (U), surface scattering factor (p) and grain-boundary parameter (V), were all evaluated without using any adjusting parameters. Beside the background contribution to the film resistivity, an estimation of the contribution of the surface and grain-boundary to the film resistivity was also carried out.
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