Publikation: Solid hydrogen films in a nonequilibrium state
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1994
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Physica / B [Condensed Matter]. 1994, 194-196(Part 1), pp. 679-680. Available under: doi: 10.1016/0921-4526(94)90669-6
Zusammenfassung
Molecular hydrogen can be prepared as a metastable quantum solid by quench-cndensation onto a substrate at sufficiently low temperature. Using surface plasmon resonance and light scattering techniques we have investigated such H2 films with thicknesses up to several 100 Å, condensed onto a silver surface at 1.5 K. Since solid H2 does not wet silver these films are in an extreme nonequilibrium state. At a temperature of 2.3 K we observe a dramatic rearrangement of the film overstructure on scales of ~1 μm, which implies an extremely high mobility of the H2 molecules at a temperature far below the desorption threshold (3.8 K).
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CONRADT, Robert N. J., Uwe ALBRECHT, Stephan HERMINGHAUS, Paul LEIDERER, 1994. Solid hydrogen films in a nonequilibrium state. In: Physica / B [Condensed Matter]. 1994, 194-196(Part 1), pp. 679-680. Available under: doi: 10.1016/0921-4526(94)90669-6BibTex
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year={1994},
doi={10.1016/0921-4526(94)90669-6},
title={Solid hydrogen films in a nonequilibrium state},
number={Part 1},
volume={194-196},
journal={Physica / B [Condensed Matter]},
pages={679--680},
author={Conradt, Robert N. J. and Albrecht, Uwe and Herminghaus, Stephan and Leiderer, Paul}
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<dcterms:abstract xml:lang="eng">Molecular hydrogen can be prepared as a metastable quantum solid by quench-cndensation onto a substrate at sufficiently low temperature. Using surface plasmon resonance and light scattering techniques we have investigated such H2 films with thicknesses up to several 100 Å, condensed onto a silver surface at 1.5 K. Since solid H2 does not wet silver these films are in an extreme nonequilibrium state. At a temperature of 2.3 K we observe a dramatic rearrangement of the film overstructure on scales of ~1 μm, which implies an extremely high mobility of the H2 molecules at a temperature far below the desorption threshold (3.8 K).</dcterms:abstract>
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