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The formation enthalpy and magnetic properties of bismuth-doped yttrium iron garnet powders were investigated. The formation enthalpy and the crystallization temperature both decreased with increasing bismuth substitution for Bi x Y 3−x Fe 5 O 12 (0.25≦x≦1.25) powders prepared by the coprecipitation process. Bi substitution for Y can significantly reduce crystallization...
The non-isothermal crystallization kinetics of Bi 0.75 Y 2.25 Fe 5 O 12 powder prepared by coprecipitation has been investigated. The activation energy of crystallization was calculated by differential scanning calorimetry (DSC) at different heating rates. Analysis of non-isothermal DSC data presented values of 650kJ/mol and 2.48 for the activation energy of crystallization...
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