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On dewetting dynamics of solid films of hydrogen isotopes and its influence on tritium ß spectroscopy

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The European Physical Journal B - Condensed Matter and Complex Systems Aims and scope Submit manuscript

Abstract.

The dewetting dynamics of solid films of hydrogen isotopes, quench-condensed on a graphite substrate, was measured at various temperatures below desorption by observing the stray light from the film. A schematic model describing the dewetting process by surface diffusion is presented, which agrees qualitatively with our data. The activation energies of different hydrogen isotopes for surface diffusion were determined. The time constant for dewetting of a quench-condensed T2 film at the working temperature of 1.86 K of the mainz neutrino mass experiment was extrapolated.

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Authors and Affiliations

  1. Institute of Physics, Johannes Gutenberg University, 55099, Mainz, Germany

    L. Fleischmann, J. Bonn, B. Bornschein, E.W. Otten, M. Przyrembel & Ch. Weinheimer

  2. Faculty of Physics, Konstanz University, 78457, Konstanz, Germany

    P. Leiderer

Authors
  1. L. Fleischmann
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  2. J. Bonn
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  3. B. Bornschein
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  4. P. Leiderer
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  5. E.W. Otten
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  6. M. Przyrembel
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  7. Ch. Weinheimer
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Additional information

Received 30 December 1999

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Fleischmann, L., Bonn, J., Bornschein, B. et al. On dewetting dynamics of solid films of hydrogen isotopes and its influence on tritium ß spectroscopy. Eur. Phys. J. B 16, 521–529 (2000). https://doi.org/10.1007/s100510070212

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  • DOI: https://doi.org/10.1007/s100510070212

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