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Influence of the substrate on the anomalous Nernst effect of magnetite thin films

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Abstract

We present a comparative study of the anomalous Nernst effect (ANE), measured at room temperature for magnetite thin films deposited on different substrates in order to study the effects induced by the substrate, compressive or tensile strain and structural defects as anti-phase boundaries (APB), on the observed ANE. From our preliminary results we have observed an increase of the measured ANE in the case of compressive strain compared with the tensile one. Moreover our results also suggest that the density of APBs also play an important role in the ANE values.

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Acknowledgments

This work was supported by the Spanish Ministry of Science (through projects PRI-PIBJP-2011-0794, MAT2011-27553-C02, including FEDER funding), the Aragón Regional Government (project E26) and Thermo-Spintronic Marie Curie CIG (Grant agreement: 304043).

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Authors and Affiliations

  1. Instituto de Nanociencia de Aragón, Universidad de Zaragoza, E-50018, Zaragoza, Spain

    R. Ramos, A. Anadón, I. Lucas, M.H. Aguirre, L. Morellon & M.R. Ibarra

  2. Departamento de Física de la Materia Condensada, Universidad de Zaragoza, E-50009, Zaragoza, Spain

    A. Anadón, M.H. Aguirre, P.A. Algarabel, L. Morellon & M.R. Ibarra

  3. Fundacion ARAID, 50018, Zaragoza, Spain

    I. Lucas

  4. Centre for Research on Adaptive Nanostructures and Nanodevices, School of Physics, Trinity College Dublin, Dublin 2, Ireland

    L. Farrell & I.V. Shvets

  5. Department of Physics, College of Science, Sultan Qaboos University, Muscat, Oman

    R.G.S. Sofin

  6. Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza and Consejo Superior de Investigaciones Científicas, 50009, Zaragoza, Spain

    P.A. Algarabel

Authors
  1. R. Ramos
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  2. A. Anadón
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  3. I. Lucas
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  4. L. Farrell
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  5. M.H. Aguirre
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  6. R.G.S. Sofin
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  7. I.V. Shvets
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  8. P.A. Algarabel
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  9. L. Morellon
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  10. M.R. Ibarra
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Ramos, R., Anadón, A., Lucas, I. et al. Influence of the substrate on the anomalous Nernst effect of magnetite thin films. MRS Online Proceedings Library 1674, 19–24 (2014). https://doi.org/10.1557/opl.2014.592

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  • DOI: https://doi.org/10.1557/opl.2014.592

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