Instantaneous synthesis of refractory nitrides from solid precur

Details Instantaneous synthesis of refractory nitrides from solid precur Instantaneous synthesis of refractory nitrides from solid precur

1998-04-23

2000-08-01

Langel, Wayne

Chemistry of inorganic compounds

Nitrogen or compound thereof

Binary compound

C01B 2106

Patent

active

060962828

ABSTRACT:
A process for forming high quality crystalline refractory materials, particularly gallium (III) nitride (GaN), from solid precursors. By blending dry reactants, including NH.sub.4 Cl, in an oxygen and moisture free environment, placing the reactants in a reaction vessel and in an inert environment, rapidly exposing the reactants to a temperature in excess of about 225.degree. C. The soluble salt by-products are then extracted from the resultant mixture, leaving high purity crystals of the nitride in the form of a fine powder.

REFERENCES:
patent: 5453407 (1995-09-01), Chung et al.

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