Effect of packing fraction on ferromagnetic resonance in NiFe2O4 nanocomposites Public Deposited

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This is the author's peer-reviewed final manuscript, as accepted by the publisher. The published article is copyrighted by American Institute of Physics and can be found at:  http://www.aip.org/.

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  • Magnetic nanocomposites, composed of magnetic nanoparticles in an insulating matrix, can have properties not achievable in bulk, single-phase materials. This work reports on ferromagnetic resonance (FMR) measurements as a tool to investigate the internal magnetic field in nanocomposite samples of varying particle packing fractions. The ferromagnetic resonance frequency changes with particle packing fraction due to increased inter-particle interaction and demagnetizing field within the sample. Experimental results obtained on NiFe2O4 nanocomposite samples are compared to published theoretical models, and found to be consistent with the predicted trends. Extrapolation of the results to the limit of isolated particles indicates an average internal anisotropy field of 0.041 T for the NiFe2O4 nanoparticles.VC 2012 American Institute of Physics. [doi:10.1063/1.3679635]
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  • Song, H., Mulley, S., Coussens, N., Dhagat, P., Jander, A., & Yokochi, A. (2012). Effect of packing fraction on ferromagnetic resonance in NiFe2O4 nanocomposites. Journal Of Applied Physics, 111(7) doi: 10.1063/1.3679635
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  • description.provenance : Made available in DSpace on 2012-07-26T17:47:03Z (GMT). No. of bitstreams: 1 SongHanElectricalEngineeringComputerScienceEffectPackingFraction.pdf: 460716 bytes, checksum: b742737fa943580700a57b1408556111 (MD5) Previous issue date: 2012-04-01
  • description.provenance : Approved for entry into archive by Deborah Campbell(deborah.campbell@oregonstate.edu) on 2012-07-26T17:47:03Z (GMT) No. of bitstreams: 1 SongHanElectricalEngineeringComputerScienceEffectPackingFraction.pdf: 460716 bytes, checksum: b742737fa943580700a57b1408556111 (MD5)
  • description.provenance : Submitted by Deborah Campbell (deborah.campbell@oregonstate.edu) on 2012-07-26T16:57:20Z No. of bitstreams: 1 SongHanElectricalEngineeringComputerScienceEffectPackingFraction.pdf: 460716 bytes, checksum: b742737fa943580700a57b1408556111 (MD5)

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