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Critical- and Wetting-Phenomena Near the Liquid-Vapour Critical Point of Metals

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High Pressure Molecular Science

Part of the book series: NATO Science Series ((NSSE,volume 358))

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Abstract

Our understanding of the liquid-vapour equilibrium in metallic systems has increased enormously in the past two decades. Much of this has been stimulated by a series of pioneering papers of Mott [1] on the metal-non-metal transition which shows up when a liquid metal is heated to the region of the liquid-vapour critical point. The existence of this transition implies that the liquid-vapour phase transition of fluid metals is distinct from that of normal insulating fluids such as inert gases. An inert-gas atom retains its identity in the condensed phase and the pair potential which determines the properties of the dilute vapour phase is supplemented to a limited degree by many-body interactions, in the total potential energy of the dense phase [2]. In contrast, the electronic structures of the two coexisting phases, liquid and vapour, of fluid metals may be vastly different. The essntial point is that the metallic state is a collective phenomenon existing only when the density of atoms is sufficiently large. Unlike inert gases the electronic stucture in the high-density liquid is very different from that of an atom in the dilute vapour.

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Author information

Authors and Affiliations

  1. Institute of Physical Chemistry, Nuclear Chemistry and Makromolecular Chemistry, FB Chemie, Philipps-University of Marburg, Hans-Meerwein-Straße, D-35032, Marburg

    F. Hensel

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  1. F. Hensel
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Editors and Affiliations

  1. Department of Chemistry, Physical Chemistry, University of Dortmund, Dortmund, Germany

    Roland Winter

  2. School of Chemical Sciences, University of Illinois, Urbana, Illinois, USA

    Jiri Jonas

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© 1999 Springer Science+Business Media Dordrecht

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Hensel, F. (1999). Critical- and Wetting-Phenomena Near the Liquid-Vapour Critical Point of Metals. In: Winter, R., Jonas, J. (eds) High Pressure Molecular Science. NATO Science Series, vol 358. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4669-2_8

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  • DOI: https://doi.org/10.1007/978-94-011-4669-2_8

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-0-7923-5807-7

  • Online ISBN: 978-94-011-4669-2

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