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Ferromagnetism in Zn-doped CeO2 Induced by Oxygen Vacancies

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Abstract

Several oxides doped with transition metals can be used in spintronics devices due to their conductive and magnetic properties at room temperature. In this work, samples of Ce1−2x Zn x O2−δ were obtained by an alternative proteic sol–gel process for x=0, 0.05 and 0.1 without any spurious phase for x≤0.1. The structural properties of samples were analyzed by X-ray diffraction (XRD) and Raman spectroscopy. Magnetization measurements revealed a ferromagnetic behavior at room temperature probably induced by oxygen vacancies.

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Acknowledgements

Tâmara S. Santos would like to acknowledge support from CAPES, CNPq and PETROBRAS.

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  1. Departamento de Física, Universidade Federal de Sergipe, 49000-100, São Cristóvão, SE, Brasil

    T. S. Santos & M. A. Macêdo

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  1. T. S. Santos
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  2. M. A. Macêdo
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Correspondence to T. S. Santos.

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Santos, T.S., Macêdo, M.A. Ferromagnetism in Zn-doped CeO2 Induced by Oxygen Vacancies. J Supercond Nov Magn 26, 2541–2543 (2013). https://doi.org/10.1007/s10948-012-1418-3

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  • DOI: https://doi.org/10.1007/s10948-012-1418-3

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