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Counterflow diffusion flame synthesis of ceramic oxide powders

Patent ·
OSTI ID:516943

Ceramic oxide powders and methods for their preparation are revealed. Ceramic oxide powders are obtained using a flame process whereby one or more precursors of ceramic oxides are introduced into a counterflow diffusion flame burner wherein the precursors are converted into ceramic oxide powders. The nature of the ceramic oxide powder produced is determined by process conditions. The morphology, particle size, and crystalline form of the ceramic oxide powders may be varied by the temperature of the flame, the precursor concentration ratio, the gas stream and the gas velocity. 24 figs.

Research Organization:
Johns Hopkins University
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
FG02-88ER45356
Assignee:
Johns Hopkins Univ., Baltimore, MD (United States)
Patent Number(s):
US 5,650,130/A/
Application Number:
PAN: 8-466,787
OSTI ID:
516943
Country of Publication:
United States
Language:
English

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