Chemistry: electrical and wave energy – Processes and products
Patent
1985-05-21
1986-12-30
Andrews, R. L.
Chemistry: electrical and wave energy
Processes and products
204120, 204122, 156600, 156602, 156608, 156621, C25C 100
Patent
active
046327363
ABSTRACT:
Electrolytic processes for the growth of single crystal tin or other elemental or compound cystals, with or without the use of a substrate. Cubic forms of alpha-tin and tetragonal forms of beta-tin are grown using a shaped anode and a pointed cathode to provide electrical geometric fields within an electrodeposition system to enhance the growth of the desired crystalline tin.
The single crystal cubic tin is preferred because it provides an excellent epitaxial substrate for the deposition of various binary, ternary, and quaternary semiconductors. Combinations of the cubic alpha-tin with the present binary and ternary semiconductors in several forms of photovoltaic cells and infrared detectors are set forth.
REFERENCES:
patent: 2569367 (1951-09-01), Bradner et al.
patent: 4186045 (1980-01-01), Gatos et al.
patent: 4521499 (1985-06-01), Switzer
"Solution Crystal Growth of Ionic Salts by Electrolytic, Solvent Decomp.", by M. Delfino, J. Crystal Growth, 32 #3 (Mar.), 1976, pp. 378-380.
"Electrochem. Growth of Crystals from Electrolyte Solutions", by A. D. Franklin, J. Crystal Growth, 34 #2 (Jul.), 1976, pp. 245-247.
Crystal Growth by Electrolytic Concentration", by I. M. Rowe et al., J. Crystal Growth 34 #2 (Jul.), 1976, pp. 173-176.
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