Effect of Zn2+ concentration on the microstructure and magnetic properties of nanocrystalline Co1-xZnxFe2O4 ferrites powder

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Effect of Zn2+ concentration on the microstructure and magnetic properties of nanocrystalline Co1-xZnxFe2O4 ferrites powder

机译：Zn2 +浓度对Co1-xZnxFe2O4纳米晶铁氧体粉末微结构和磁性的影响

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NanocrystallineCo1-xZnxFe2O4ferritespowderwerepreparedbythespraying-coprecipitationmethod.TheirmicrostructureandmagneticpropertieswereinvestigatedbyXRD,TEMaswellasVSM.TheresultsshowthatnanocrystallineCo1-xZnxFe2O4ferritespowderarespinelphase.TheaveragecrystallitesizeofnanocrystallineCo1-xZnxFe2O4ferritespowdercalcinedat700deg;Cfor1.5hisabout32nm.ThelatticeparameteraofnanocrystallineCo1-xZnxFe2O4ferritespowderincreaseswiththeZn2+ionsconcentration.Theenhancementofthemagnetizationuptomaximumvalueof83.4Am2kg-1innanocrystallineCo0.7Zn0.3Fe2O4ferritepowderisobserved.ThiscanbeattributedtothechangeofthenetmagneticmomentbetweenthesublatticesforthesubstitutionoftheCo2+ionswithZn2+ions.ThecoercivityHcofnanocrystallineCo1-xZnxFe2O4ferritespowderdecreaseswithZn2+ionsconcentration.

机译：NanocrystallineCo1-xZnxFe2O4ferritespowderwerepreparedbythespraying-coprecipitationmethod.TheirmicrostructureandmagneticpropertieswereinvestigatedbyXRD，TEMaswellasVSM.TheresultsshowthatnanocrystallineCo1-xZnxFe2O4ferritespowderarespinelphase.TheaveragecrystallitesizeofnanocrystallineCo1-xZnxFe2O4ferritespowdercalcinedat700deg; Cfor1.5hisabout32nm.ThelatticeparameteraofnanocrystallineCo1-xZnxFe2O4ferritespowderincreaseswiththeZn2 + ionsconcentration.Theenhancementofthemagnetizationuptomaximumvalueof83.4Am2kg-1innanocrystallineCo0.7Zn0.3Fe2O4ferritepowderisobserved.ThiscanbeattributedtothechangeofthenetmagneticmomentbetweenthesublatticesforthesubstitutionoftheCo2 + ionswithZn2 + ions.ThecoercivityHcofnanocrystallineCo1-xZnxFe2O4ferritespowderdecreaseswithZn2 + ionsconcentration。

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《Optoelectronics and Advanced Materials-Rapid Communications》 |2012年第2012期|共页
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Effect of Zn2+ concentration on the microstructure and magnetic properties of nanocrystalline Co1-xZnxFe2O4 ferrites powder

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