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Resonant neutron reflectometry for hydrogen detection

Author

Listed:
  • L. Guasco

    (Max-Planck-Institut für Festkörperforschung
    Max Planck Society Outstation at the Heinz Maier-Leibnitz Zentrum (MLZ))

  • Yu. N. Khaydukov

    (Max-Planck-Institut für Festkörperforschung
    Max Planck Society Outstation at the Heinz Maier-Leibnitz Zentrum (MLZ))

  • S. Pütter

    (Forschungszentrum Jülich GmbH, Jülich Centre for Neutron Science (JCNS) at Heinz Maier-Leibnitz Zentrum (MLZ))

  • L. Silvi

    (Helmholtz Zentrum Berlin)

  • M. A. Paulin

    (Helmholtz Zentrum Berlin
    Laboratorio Argentino de Haces de Neutrones, CAB, CNEA)

  • T. Keller

    (Max-Planck-Institut für Festkörperforschung
    Max Planck Society Outstation at the Heinz Maier-Leibnitz Zentrum (MLZ))

  • B. Keimer

    (Max-Planck-Institut für Festkörperforschung)

Abstract

The detection and quantification of hydrogen is becoming increasingly important in research on electronic materials and devices, following the identification of the hydrogen content as a potent control parameter for the electronic properties. However, establishing quantitative correlations between the hydrogen content and the physical properties of solids remains a formidable challenge. Here we report neutron reflectometry experiments on 50 nm thick niobium films during hydrogen loading, and show that the momentum-space position of a prominent waveguide resonance allows tracking of the absolute hydrogen content with an accuracy of about one atomic percent on a timescale of less than a minute. Resonance-enhanced neutron reflectometry thus allows fast, direct, and non-destructive measurements of the hydrogen concentration in thin-film structures, with sensitivity high enough for real-time in-situ studies.

Suggested Citation

  • L. Guasco & Yu. N. Khaydukov & S. Pütter & L. Silvi & M. A. Paulin & T. Keller & B. Keimer, 2022. "Resonant neutron reflectometry for hydrogen detection," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-29092-z
    DOI: 10.1038/s41467-022-29092-z
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    References listed on IDEAS

    as
    1. Jian Shi & You Zhou & Shriram Ramanathan, 2014. "Colossal resistance switching and band gap modulation in a perovskite nickelate by electron doping," Nature Communications, Nature, vol. 5(1), pages 1-9, December.
    2. C. Boelsma & L. J. Bannenberg & M. J. van Setten & N.-J. Steinke & A. A. van Well & B. Dam, 2017. "Hafnium—an optical hydrogen sensor spanning six orders in pressure," Nature Communications, Nature, vol. 8(1), pages 1-8, August.
    3. K. Kitagawa & T. Takayama & Y. Matsumoto & A. Kato & R. Takano & Y. Kishimoto & S. Bette & R. Dinnebier & G. Jackeli & H. Takagi, 2018. "A spin–orbital-entangled quantum liquid on a honeycomb lattice," Nature, Nature, vol. 554(7692), pages 341-345, February.
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