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Robust absolute magnetometry with organic thin-film devices

Author

Listed:
  • W.J. Baker

    (University of Utah)

  • K. Ambal

    (University of Utah)

  • D.P. Waters

    (University of Utah)

  • R. Baarda

    (University of Utah)

  • H. Morishita

    (University of Utah)

  • K. van Schooten

    (University of Utah)

  • D.R. McCamey

    (University of Utah
    School of Physics, University of Sydney)

  • J.M. Lupton

    (University of Utah
    Institut für Experimentelle und Angewandte Physik, Universität Regensburg)

  • C. Boehme

    (University of Utah)

Abstract

Magnetic field sensors based on organic thin-film materials have attracted considerable interest in recent years as they can be manufactured at very low cost and on flexible substrates. However, the technological relevance of such magnetoresistive sensors is limited owing to their narrow magnetic field ranges (∼30 mT) and the continuous calibration required to compensate temperature fluctuations and material degradation. Conversely, magnetic resonance (MR)-based sensors, which utilize fundamental physical relationships for extremely precise measurements of fields, are usually large and expensive. Here we demonstrate an organic magnetic resonance-based magnetometer, employing spin-dependent electronic transitions in an organic diode, which combines the low-cost thin-film fabrication and integration properties of organic electronics with the precision of a MR-based sensor. We show that the device never requires calibration, operates over large temperature and magnetic field ranges, is robust against materials degradation and allows for absolute sensitivities of

Suggested Citation

  • W.J. Baker & K. Ambal & D.P. Waters & R. Baarda & H. Morishita & K. van Schooten & D.R. McCamey & J.M. Lupton & C. Boehme, 2012. "Robust absolute magnetometry with organic thin-film devices," Nature Communications, Nature, vol. 3(1), pages 1-7, January.
    • Handle: RePEc:nat:natcom:v:3:y:2012:i:1:d:10.1038_ncomms1895
    DOI: 10.1038/ncomms1895
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    Cited by:

    1. Rugang Geng & Adrian Mena & William J. Pappas & Dane R. McCamey, 2023. "Sub-micron spin-based magnetic field imaging with an organic light emitting diode," Nature Communications, Nature, vol. 14(1), pages 1-8, December.

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