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A one-cent room-temperature magnetoelectric sensor

Nature Materials volume 7, pages 93–94 (2008)Cite this article

To the Editor

There is great scientific interest at the moment2,3 in the magnetoelectric (ME) coupling of magnetic and electrical order parameters. However, suggested applications2 in, for example, transducers and data storage have not been forthcoming because single-phase materials perform poorly2,3, and the exploitation of large strain-mediated2,3 coupling between two phases requires development work and the identification of end users. Relevant development work has unwittingly been performed in MLCs based on BaTiO3, via the cost-saving replacement of Ag/Pd with Ni in the electrodes.

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Figure 1: ME coupling in an MLC based on BaTiO3 with interdigitating Ni-based electrodes.

References

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Acknowledgements

We thank Gustau Catalan and Pavel Zubko for discussions, Eddie Manthorpe (AVX) for samples, and Maureen Strawhorne (AVX) for internal geometry data.

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Authors and Affiliations

  1. Department of Materials Science, University of Cambridge, Pembroke Street, Cambridge, CB2 3QZ, UK

    C. Israel & N. D. Mathur

  2. Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge, CB2 3EQ, UK

    J. F. Scott

Authors
  1. C. Israel
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  2. N. D. Mathur
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  3. J. F. Scott
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Correspondence to N. D. Mathur.

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A preliminary patent has been filed on the findings described in the manuscript.

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Israel, C., Mathur, N. & Scott, J. A one-cent room-temperature magnetoelectric sensor. Nature Mater 7, 93–94 (2008). https://doi.org/10.1038/nmat2106

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