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Title: Electrochemical study of hydrogen diffusion in a vanadium thin film
Authors: Di Vece, Marcel ×
Remhof, A
Kelly, JJ #
Issue Date: Jan-2004
Publisher: Elsevier science inc
Series Title: Electrochemistry communications vol:6 issue:1 pages:17-21
Abstract: We show that the optical indicator technique used to visualize fast hydrogen migration in thin metal films can also be applied in an electrochemical set-up. Lateral diffusion of hydrogen in a vanadium film under a masking layer could be monitored from the optical change of an yttrium switchable mirror, which served as an indicator for the diffusion front. An electrochemical loading experiment provides a precise measure of the total hydrogen content of the sample. Optical reflectance measurements allow the determination of the diffusion coefficient of hydrogen. Additionally, the electrochemical set-up was used to measure a room-temperature solubility isotherm of the film under investigation. The observed miscibility gap was smaller than that of the bulk metal. (C) 2003 Elsevier B.V. All rights reserved.
URI: 
ISSN: 1388-2481
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
× corresponding author
# (joint) last author

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