Glasses based on tellurium halides, their preparation and their

Details Glasses based on tellurium halides, their preparation and their Glasses based on tellurium halides, their preparation and their

1987-02-09

1988-05-17

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 35, 501904, C03C 332, C03C 1300

Patent

active

047450908

ABSTRACT:
A solid vitreous composition has the formula: Te.sub.100-x-z X.sub.x Z.sub.z wherein x represents chlorine, bromine or iodine, Z represents sulfur and/or selenium; x represents the molar percentage of X and ranges from 5 to 67; z represents the molar percentage of Z and ranged from 0 to 60; it being understood that the sum (x+z) ranges from 33 to 85. A method for the preparation of this composition is disclosed as is its use in the field of optoelectronics and infra-red transmission.

REFERENCES:
patent: 2883295 (1959-04-01), Jerger, Jr.
patent: 3117013 (1964-01-01), Northover et al.
patent: 3241009 (1966-03-01), Dewald et al.
patent: 3448425 (1969-06-01), Shanefield et al.
patent: 3709813 (1973-01-01), Johnson et al.
Chemical Abstracts, vol. 82, No. 2, 1985, p. 407, No. 10326t, "Vitrification, Switching and Memory Effects of Glasses in Potassium-Arsenic (Antimony) Sulfur Selenium, Tellurium)-Bromine (Iodine)Systems", Khiminets et al.
Journal of Applied Chemistry of the USSR, vol. 48, No. 6, 1975, pp. 1408-1409, "Chemical Stability of Chalcohalide Glasses in Quaternary Systems of the Type K-A.sup.V -B.sup.VI -C.sup.VII " Turyanista et al.

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