Electrochemical and photoelectrochemical deposition and oxidation of cadmium atom layers on the surface of <Emphasis Type="Italic">n</Emphasis>-Si/Te and <Emphasis Type="Italic">n</Emphasis>-Si/CdTe heterostructures

The underpotential deposition and oxidation of cadmium atom layers on n-Si/Te and n-Si/CdTe heterostructures were studied. This process on the indicated electrodes is markedly irreversible. This conclusion is based on the finding that the oxidation of cadmium adatoms on surface tellurium atoms (on elemental cadmium and in the telluride structure) is possible only upon illumination of the electrode. Translated from Teoreticheskaya i éksperimental’naya Khimiya, Vol. 45, No. 1, pp. 27–31, January-February, 2009.