Surface freezing in a liquid eutectic Ga-Bi alloy

被引：23
|
作者：
Turchanin, A [1 ]
Nattland, D [1 ]
Freyland, W [1 ]
机构：
[1] Univ Karlsruhe, Inst Phys Chem, D-76128 Karlsruhe, Germany
来源：
CHEMICAL PHYSICS LETTERS | 2001年 / 337卷 / 1-3期
关键词：
D O I：
10.1016/S0009-2614(01)00185-3
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Surface freezing in a liquid eutectic Ga-Bi alloy has been studied by second harmonic generation and plasma excitation in several cooling and heating cycles at different temperature rates. An ordered solid-like film is observed on top of the bulk liquid which forms at a temperature well above the eutectic temperature. The hysteresis behaviour of crystallisation and melting of this film indicates that this surface phase transition is of first order, which is reported for the first time. (C) 2001 Elsevier Science B.V. All rights reserved.
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页码：5 / 10
页数：6
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