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Using light transmission to watch hydrogen diffuse

Author

Listed:
  • Gunnar K. Pálsson

    (Uppsala University)

  • Andreas Bliersbach

    (Uppsala University)

  • Max Wolff

    (Uppsala University)

  • Atieh Zamani

    (Uppsala University)

  • Björgvin Hjörvarsson

    (Uppsala University)

Abstract

Because of its light weight and small size, hydrogen exhibits one of the fastest diffusion rates in solid materials, comparable to the diffusion rate of liquid water molecules at room temperature. The diffusion rate is determined by an intricate combination of quantum effects and dynamic interplay with the displacement of host atoms that is still only partially understood. Here we present direct observations of the spatial and temporal changes in the diffusion-induced concentration profiles in a vanadium single crystal and we show that the results represent the experimental counterpart of the full time and spatial solution of Fick's diffusion equation. We validate the approach by determining the diffusion rate of hydrogen in a single crystal vanadium (001) film, with net diffusion in the [110] direction.

Suggested Citation

  • Gunnar K. Pálsson & Andreas Bliersbach & Max Wolff & Atieh Zamani & Björgvin Hjörvarsson, 2012. "Using light transmission to watch hydrogen diffuse," Nature Communications, Nature, vol. 3(1), pages 1-5, January.
    • Handle: RePEc:nat:natcom:v:3:y:2012:i:1:d:10.1038_ncomms1897
    DOI: 10.1038/ncomms1897
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    Cited by:

    1. Andrea Moriani & Oriele Palumbo & Silvano Tosti & Alessia Santucci & Alfonso Pozio & Francesco Trequattrini & Annalisa Paolone, 2019. "An Innovative Procedure to Evaluate the Hydrogen Diffusion Coefficient in Metals from Absorption Measurements," Energies, MDPI, vol. 12(9), pages 1-13, April.

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