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Tunable Exchange Bias Behavior Near Room Temperature in Spinel Chromite

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Proceedings of 28th National Conference on Condensed Matter Physics

Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 269))

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Abstract

Ni(Cr0.60Fe0.40)2O4 is prepared in single phase form by sol–gel method. Analysis of X-ray diffraction pattern reveals cubic spinel structure with \({\text{Fd}}\overline{3}{\text{m}}\) space group. As per magnetization measurements, temperature induced magnetization reversal is observed near room temperature with a compensation temperature of 366 K. Exchange bias behavior with tunable positive and negative exchange bias field is also observed in the vicinity of compensation temperature. These behaviors are explained by considering different temperature dependence of different sublattice magnetic moments and the competition between them. Furthermore, the bipolar switching of magnetization is demonstrated at room temperature.

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Acknowledgements

CIF, IIT Guwahati is acknowledged for the FESEM and high temperature VSM facility. We also acknowledge DST-FIST for XRD facility.

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Authors and Affiliations

  1. Department of Physics, Rajiv Gandhi University, Arunachal Pradesh, 791112, India

    Junmoni Barman

  2. Department of Physics, Indian Institute of Technology Guwahati, Guwahati, 781039, India

    S. Ravi

Authors
  1. Junmoni Barman
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  2. S. Ravi
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Editor information

Editors and Affiliations

  1. National Institute of Technology Silchar, Silchar, India

    Ranjith G. Nair

  2. National Institute of Technology Silchar, Silchar, India

    Lalu Seban

  3. Department of Physics, National Institute of Technology Silchar, Silchar, India

    Pujita Ningthoukhongjam

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Barman, J., Ravi, S. (2021). Tunable Exchange Bias Behavior Near Room Temperature in Spinel Chromite. In: Nair, R.G., Seban, L., Ningthoukhongjam, P. (eds) Proceedings of 28th National Conference on Condensed Matter Physics. Springer Proceedings in Physics, vol 269. Springer, Singapore. https://doi.org/10.1007/978-981-16-5407-7_6

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  • DOI: https://doi.org/10.1007/978-981-16-5407-7_6

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-16-5406-0

  • Online ISBN: 978-981-16-5407-7

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