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2003•Unpublished venueRequires access

Synergistic Preparation of Oxide SrFeCo_(0.5)O_y

Di Huo

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Abstract

The mixed-conducting oxide SrFeCo 0.5O-y was prepared by citrate sol-gel method cooperative with microwave sintering.The as-synthesized powders and as-sintered samples were characterized and analyzed by DTA,XRD,TEM and SEM/EDX.Single perovskite phase of Sr-Fe-Co-O oxide was obtained at 550℃ by sintering the xerogel as the value of citrate to nitrate ratio(α) was 0^64.The resulted SrFeCo 0.5O-y powder was small and homogeneous.The relative density of sample sintered by microwave cooperative method was 96%.As compared to conventional sintering mathod,the sintering temperature is lower and the keeping time is less.It is shown that the absolute dominated phase was perovskite type oxides in SrFeCo 0.5O-y prepared by combined method.

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What this paper is about

The mixed-conducting oxide SrFeCo 0.5O-y was prepared by citrate sol-gel method cooperative with microwave sintering.The as-synthesized powders and as-sintered samples were characterized and analyzed by DTA,XRD,TEM and SEM/EDX.Single perovskite phase of Sr-Fe-Co-O oxide was obtained at 550℃ by sintering the xerogel as the value of citrate to nitrate ratio(α) was 0^64.The resulted SrFeCo 0.5O-y powder was small and homogeneous.The relative density of sample sintered by microwave cooperative method was 96%.As compared to conventional sintering mathod,the sintering temperature is lower and the keeping time is less.It is shown that the absolute dominated phase was perovskite type oxides in SrFeCo 0.5O-y prepared by combined method.

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Available abstract

The mixed-conducting oxide SrFeCo 0.5O-y was prepared by citrate sol-gel method cooperative with microwave sintering.The as-synthesized powders and as-sintered samples were characterized and analyzed by DTA,XRD,TEM and SEM/EDX.Single perovskite phase of Sr-Fe-Co-O oxide was obtained at 550℃ by sintering the xerogel as the value of citrate to nitrate ratio(α) was 0^64.The resulted SrFeCo 0.5O-y powder was small and homogeneous.The relative density of sample sintered by microwave cooperative method was 96%.As compared to conventional sintering mathod,the sintering temperature is lower and the keeping time is less.It is shown that the absolute dominated phase was perovskite type oxides in SrFeCo 0.5O-y prepared by combined method.

Key concepts: Sintering, Materials science, Perovskite (structure), Relative density, Oxide, Phase (matter), Homogeneous, Sol-gel

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