(cuprite) films were deposited electrochemically onto InP (001) single-crystal substrates from aqueous solutions at room temperature. X-ray diffraction indicates a unique epitaxial 45°[001] orientation relationship between and InP. This reduces the mismatch between corresponding spacings to 2.9%, compared with a mismatch of 27.2% between the lattice parameters of and InP. The morphology of the film can be influenced via the electrolyte acidity. At a of 9.0, forms pyramidal islands. At a of 12.0, on the other hand, cubelike morphologies of are observed. Between a of 9.0 and 12.0, the direction of slowest growth changes from 〈111〉 to 〈100〉. In apparent contradiction to the observation of a unique epitaxial orientation relationship, transmission electron microscopy reveals an amorphous oxygen-rich interlayer between the and the InP crystal.
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8 September 2003
Research Article|
September 08 2003
Epitaxial electrodeposition of films onto InP(001)
Run Liu;
Run Liu
Department of Chemistry and Graduate Center for Materials Research, University of Missouri-Rolla, Rolla, Missouri 65409-1170
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Eric W. Bohannan;
Eric W. Bohannan
Department of Chemistry and Graduate Center for Materials Research, University of Missouri-Rolla, Rolla, Missouri 65409-1170
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Jay A. Switzer;
Jay A. Switzer
Department of Chemistry and Graduate Center for Materials Research, University of Missouri-Rolla, Rolla, Missouri 65409-1170
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Fumiyasu Oba;
Fumiyasu Oba
Department of Materials Science and Engineering, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106-7204
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Frank Ernst
Frank Ernst
Department of Materials Science and Engineering, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106-7204
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Appl. Phys. Lett. 83, 1944–1946 (2003)
Article history
Received:
May 12 2003
Accepted:
July 02 2003
Citation
Run Liu, Eric W. Bohannan, Jay A. Switzer, Fumiyasu Oba, Frank Ernst; Epitaxial electrodeposition of films onto InP(001). Appl. Phys. Lett. 8 September 2003; 83 (10): 1944–1946. https://doi.org/10.1063/1.1606503
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