Optical investigation of the solid-liquid transition in gallium
- 1 December 1979
- journal article
- Published by IOP Publishing in Journal of Physics F: Metal Physics
- Vol. 9 (12) , 2345-2351
- https://doi.org/10.1088/0305-4608/9/12/007
Abstract
Reflectance of thin gallium films in the spectral range 0.3-0.9 mu m is measured for several temperatures around the melting point. When melting occurs, the reflectance increases considerably in the whole spectral range (about 20% at 0.6 mu m). A free-electron model is assumed; this is found to be in good agreement with experiments on liquid-phase systems. A qualitative interpretation is proposed and is found to explain the considerable change occurring during melting.Keywords
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