Growth mechanisms of anodic oxide and sulfide films on HgCdTe
- 1 July 1987
- journal article
- Published by American Vacuum Society in Journal of Vacuum Science & Technology A
- Vol. 5 (4) , 2003-2006
- https://doi.org/10.1116/1.574903
Abstract
Three different markers were used to determine whether anodic films on HgCdTe were growing into the substrate and consuming the surface, or were depositing on top of the surface. All three experiments show conclusively that oxidation in KOH electrolyte occurs only by growth into the substrate. The two marker experiments applicable to oxidation in H2O2 and an experiment investigating the etching of Cd out of the oxide by H2O2 prove that for anodization in H2O2 there is growth both into the substrate as well as on top of the surface. One of the marker experiments indicates that the sulfide film also grows into the substrate.Keywords
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