OPTICAL INTERFEROMETRY IN PHASE-SEPARATED HE-3-HE-4 MIXTURE FILMS

被引：0
|
作者：
ALLES, H
RUUTU, JP
BABKIN, AV
HAKONEN, PJ
机构：
[1] Low Temperature Laboratory, Helsinki University of Technology
来源：
PHYSICA B | 1995年 / 210卷 / 3-4期
基金：
芬兰科学院;
关键词：
D O I：
10.1016/0921-4526(94)01128-N
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We report on interferometric studies of He-3-He-4 liquid mixtures. Anomalous wetting phenomena were observed in phase separated mixture films: the upper He-3-rich phase did not wet the lower He-4-rich phase under a small continuous feed of 4He atoms to the vapor phase. Instead, under this dynamic situation, floating pools of the 3He-rich phase were stabilized with a contact angle on the order of 10 mrad. In equilibrium, the concentrated 3He-rich phase was found to nucleate uniformly on the free surface, consistent with Antonow's rule.
引用
收藏
页码：411 / 419
页数：9
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