Characterization of surface roughness by EHD impedance

The EHD impedance is a useful technique to determine the average size (in a plane parallel to the wall) and the average height (in the direction perpendicular to the wall) of roughness on a uniformly reactive electrode. Due to the maximum frequency available, mechanical modulation, and the signal to...

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Bibliographic Details
Published in:Journal of applied electrochemistry 1997, Vol.27 (1), p.109-111
Main Authors: DESLOUIS, C, TABTI, N, TRIBOLLET, B
Format: Article
Language:English
Subjects:
Chemical Sciences
Chemistry
Electrochemistry
Electrodes: preparations and properties
Exact sciences and technology
General and physical chemistry
Other electrodes
Online Access:Get full text
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Description
Summary:The EHD impedance is a useful technique to determine the average size (in a plane parallel to the wall) and the average height (in the direction perpendicular to the wall) of roughness on a uniformly reactive electrode. Due to the maximum frequency available, mechanical modulation, and the signal to noise ratio, the lower limit of detection for the roughness dimension is of the order of few micrometers.
ISSN:0021-891X
1572-8838
DOI:10.1023/A:1026483319653