• Metal-hydrazine complexes as precursors to oxide materials

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    • Keywords


      Metal-hydrazine complexes; precursors to oxide materials

    • Abstract


      Metal-hydrazine complexes, [M(N2H4)n]2− (M=Mn, Fe, Co, Ni, Zn and Cd,n=2 or 3) with different anions like sulphate, sulphite, acetate, formate, oxalate, hydrazinocarboxylate, nitrate and perchlorate have been investigated as precursors to oxide materials. The thermal reactivity of these complexes changes dramatically with the anion, e.g. sulphate, sulphite, acetate and formate complexes—decompose; oxalate and hydrazinocarboxylates—deflagerate and nitrate and perchiorate complexes—detonate. The deflagerating nature of the metal-hydrazine oxalates and hydrazinocarboxylates has been employed in the combustion synthesis of fine particle γ-Fe2O3, Fe3O4, ferrites and cobaltites at low temperature.

    • Author Affiliations


      K C Patil1

      1. Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore - 560 012, India
    • Dates

  • Journal of Chemical Sciences | News

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