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《Information Recording Materials》 2007-01
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The Research of the Work on Nano-sized γ-Fe_2O_3 Appearance by Solid-State Reaction

LI Ya-dong1,WANG Peng-fei1 (Academy of Material Engineering Soochow University Suzhou 215021,China)  
The FeC2O4·2H2O precursors nanoparticle were prepared in two different ways by solid-state reaction.The work on Nano-sized γ-Fe2O3 appearance at different temperature were researched.The FeC2O4·2H2O precursors were prepared with FeSO4·7H2O and H2C2O4·2H2O.Then nanoparticles were achieved by thermal decomposition of FeC2O4·2H2O precursor at 200℃,300℃,400℃,500℃ and 600℃.The nanoparticles were characterized by X-ray diffraction(XRD),transmission electron microscope(TEM).The results showed that the solid-state reaction is a general,inexpensive and unpolluted approach.Grind the FeC2O4·2H2O precursors can make the γ-Fe2O3 nanoparticle well-distributed.
【CateGory Index】: TM271;TB383.1
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