Superheating of small solid-argon bubbles in aluminum

C. J. Rossouw; S. E. Donnelly

doi:10.1103/PhysRevLett.55.2960

Superheating of small solid-argon bubbles in aluminum

C. J. Rossouw, S. E. Donnelly

Research output: Contribution to journal › Article › peer-review

126 Citations (Scopus)

Abstract

Small solid-Ar bubbles, formed by the implantation of 50-keV Ar+ ions into Al, are observed to melt at 730 K, compared with an equilibrium bulk melting temperature of 250 K. A model based on the suppression of Ar thermal vibrations at the Al interface is used to account for the superheating of 480 K. Measurements on the temperature dependence of diffracted electron intensities from these bubbles yield Debye-Waller factors consistent with an effective Debye temperature of about 140 K, compared with a bulk value of 110 K.

Original language	English
Pages (from-to)	2960-2963
Number of pages	4
Journal	Physical Review Letters
Volume	55
Issue number	27
DOIs	https://doi.org/10.1103/PhysRevLett.55.2960
Publication status	Published - 30 Dec 1985
Externally published	Yes

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title = "Superheating of small solid-argon bubbles in aluminum",

abstract = "Small solid-Ar bubbles, formed by the implantation of 50-keV Ar+ ions into Al, are observed to melt at 730 K, compared with an equilibrium bulk melting temperature of 250 K. A model based on the suppression of Ar thermal vibrations at the Al interface is used to account for the superheating of 480 K. Measurements on the temperature dependence of diffracted electron intensities from these bubbles yield Debye-Waller factors consistent with an effective Debye temperature of about 140 K, compared with a bulk value of 110 K.",

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AB - Small solid-Ar bubbles, formed by the implantation of 50-keV Ar+ ions into Al, are observed to melt at 730 K, compared with an equilibrium bulk melting temperature of 250 K. A model based on the suppression of Ar thermal vibrations at the Al interface is used to account for the superheating of 480 K. Measurements on the temperature dependence of diffracted electron intensities from these bubbles yield Debye-Waller factors consistent with an effective Debye temperature of about 140 K, compared with a bulk value of 110 K.

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Superheating of small solid-argon bubbles in aluminum

Abstract

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