Boride materials for electronic elements and method of preparing

Details Boride materials for electronic elements and method of preparing Boride materials for electronic elements and method of preparing

1993-09-03

1994-12-27

Lieberman, Paul

Compositions

Electrically conductive or emissive compositions

Metal compound containing

252518, 423111, 423115, 423276, 423297, H01B 100, H01B 102

Patent

active

053763092

ABSTRACT:
Disclosed is a boride material for electronic elements, which is represented by a chemical formula of A.sub.1-x E.sub.x B.sub.12 (where A is Zr of Hf, E is Sc or Y, and 0.1.ltoreq.x.ltoreq.0.9) and the crystal system of which is a cubic one at a temperature not lower than its phase transition temperature and is a hexagonal one at a temperature not higher than its phase transition temperature. The boride material is prepared by mixing oxide powders or sulfate powders of the constitutive elements A and E and a boron powder followed by shaping the powder mixture and then sintering the shaped body.

REFERENCES:
B. Post & F. W. Glaser, Trans. AIME, 194, 1952 pp. 631-632.
Matkovich et al., Acta Crystallogr., 19, 1965, pp. 1056.
B. T. Matthias et al., Science, 159, 1969, pp. 530.

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