Vacuum evaporating films of alkali metal polyphosphide

Details Vacuum evaporating films of alkali metal polyphosphide Vacuum evaporating films of alkali metal polyphosphide

1983-06-29

1986-06-24

Childs, S. L.

Coating processes

Electrical product produced

Condenser or capacitor

427109, 427166, 4272481, 427255, 4272552, B05D 512, C23C 1600

Patent

active

045967210

ABSTRACT:
Fine quality catenated phosphorus thin films are produced in a high vacuum evaporator. Heated tungsten wire crackers are provided above the phosphorus boat and below the substrates. Amorphous pure phosphorus shiny red films have been deposited on glass, metallized glass and GaP and exhibit an optical edge at 2.0 eV. Films of KP.sub.x where x is equal to 15 or greater than 15 are produced by utilizing a second baffled boat source containing the potassium graphite intercalate, KC.sub.8. Addition of a nickel evaporation source provides nickel-doped polyphosphide films.

REFERENCES:
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patent: 4150065 (1979-04-01), Harris et al.
patent: 4195891 (1980-04-01), Hellier
patent: 4359406 (1982-11-01), Fung
patent: 4454246 (1984-06-01), Fung
Kirk-Othmer, "Encyclopedia of Chemical Technology", Third Edition, vol. 4, John Wiley & Sons, p. 696.
"Comprehensive Inorganic Chemistry", Pergamon Press, pp. 1271-1278, 1973.
G. R. Hennig, "Some Experimental Observations in the Caesium-Graphite System", Interstitial Compounds of Graphite in Progress in Inorganic Chemistry, 1 1959.
Alfa Products "Alfa's 1981 Surplus Stock Sale--Graphimets-Graphite Intercalates", Thiokol/Ventron Division Alfa Products, pp. 2A-5A, 1981.
H. W. Melville and S. C. Gray, "The Polymerisation of Phosphorus", pp. 271-286; Transactions of the Faraday Society, 32, 271, (1936).
N. N. Greenwood & A. Earnshaw, "Graphite Intercalation Compounds", Chemistry of the Elements, Pergamon Press Ltd., pp. 313-314, 1984.

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