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Article Dans Une Revue EPL - Europhysics Letters Année : 2010

Solid-liquid phase transition induced by fast heating of a thin metal film

B. Chimier

Résumé

For fast heating, solid-liquid phase transition is generally assumed to be an isochoric process related to the ion temperature. However, the experimental studies of fast melting process do not completely agree with the theory. We discuss the validity of the isochoric assumption for fast heating by considering the fast melting of aluminum and gold thin films. The results show that solid-liquid phase transition can occur due to the foil expansion in a picosecond time scale, without significant ion heating, for deposited energies of the order of the melting enthalpy. The estimated melting time for gold thin film irradiated by a short laser pulse is in agreement with experimental measurements. Copyright (C) EPLA, 2010
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Dates et versions

hal-01418633 , version 1 (16-12-2016)

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  • HAL Id : hal-01418633 , version 1

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B. Chimier. Solid-liquid phase transition induced by fast heating of a thin metal film. EPL - Europhysics Letters, 2010, 92 (1). ⟨hal-01418633⟩

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