Journal article

Spin dynamics investigations of multifunctional ambient scalable Fe3O4 surface decorated ZnO magnetic nanocomposite using FMR

Saurabh Pathak, Rajni Verma, Sakshi Singhal, Raghav Chaturvedi, Prashant Kumar, Pragati Sharma, RP Pant, Xu Wang



Microwave spin resonance behavior of the Fe3O4 surface decorated ZnO nanocomposites (FZNC) has been investigated by ferromagnetic resonance (FMR). Modified hydrothermal method has been adopted to fabricate FZNC samples with Fe3O4 nanoparticles chains were used as seeds in the uniform magnetic field to decorate them on the surface of the ZnO nanoparticles in a unique configuration. Spin dynamics investigation confirms the transition of ZnO from diamagnetic to ferromagnetic as the sharp FMR spectra converts to the broad spectra with Fe3O4 nanoparticles incorporation. A single broad FMR spectra confirms that no isolated Fe3+ or Zn2+ ions exist which is also in agreement with XRD confirming suit..

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University of Melbourne Researchers


Awarded by Australia Research Council

Funding Acknowledgements

The authors would like to thank the Australia Research Council Discovery Project grant DP170101039 for financial support.