THE OXIDIZING PROCESS OF Fe3O4 ULTRAFINE PARTICLES | Zendy

Du You-Wei | Zendy; Yuchang Zhang | Zendy; Huaixian Lu | Zendy

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THE OXIDIZING PROCESS OF Fe3O4 ULTRAFINE PARTICLES

Author(s) -

Du You-Wei,

Yuchang Zhang,

Huaixian Lu

Publication year - 1981

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.30.424

Subject(s) - maghemite , oxidizing agent , magnetite , nucleation , materials science , process (computing) , magnetic moment , chemical engineering , condensed matter physics , metallurgy , thermodynamics , chemistry , computer science , physics , organic chemistry , engineering , operating system

The conversion of magnetite to maghemite has been studied by M?ssbauer effect. That is a nucleation and growth process of γ-Fe2O3. The change of the concentration of Fe3O4 with time was determined by the change of magnetic moment in the oxidizing process. The chemical reaction formula, -dC/dt = mC3, is only appropriate for the starting stage of the oxidizing process.

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