Photoelectrochemical Characterisation of Chromia Scales Thermally Grown on Various Metal Substrates

Abstract:

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Chromia scales grown on several chromia-forming metallic substrates in various conditions were characterised by photoelectrochemistry (PEC), highlighting the presence of two semiconductor phases signed by their respective bandgaps (3.0 and 3.5 eV) with variations of semiconduction type (n, p and insulator, more or less doped). The protective character of the scale was clearly demonstrated when the highest bandgap phase (3.5 eV), identified as the external subscale was close to an insulator.

Info:

Periodical:

Materials Science Forum (Volumes 595-598)

Edited by:

Pierre Steinmetz, Ian G. Wright, Alain Galerie, Daniel Monceau and Stéphane Mathieu

Pages:

1181-1188

DOI:

10.4028/www.scientific.net/MSF.595-598.1181

Citation:

Y. Wouters et al., "Photoelectrochemical Characterisation of Chromia Scales Thermally Grown on Various Metal Substrates", Materials Science Forum, Vols. 595-598, pp. 1181-1188, 2008

Online since:

September 2008

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Price:

$35.00

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