Patent ID: 7022262
Filing Date: 2006-04-04
Classification: B82Y,C01F,C01P,C04B

Abstract:
1. A method of producing a powder, comprising: combining at least one salt of aluminum with at least one salt of yttrium; dissolving said at least one salt of aluminum and said at least one salt of yttrium in water to form an aqueous mixture, wherein aluminum and yttrium are present at a mole ratio of 3:5 yttrium to aluminum in said mixture; adding at least one reducing agent and at least one auxiliary oxidizing agent to said mixture; heating said mixture to a first temperature after adding said at least one reducing agent and said at least one auxiliary oxidizing agent such that said mixture undergoes combustion and a powder is formed; and calcining said powder at temperatures between about 800° C. to about 1000° C. for an amount of time sufficient to form single phase cubic yttrium aluminum garnet.