Field-induced formation of nanometer-sized water bridges -: art. no. 056101

被引：128

作者：

Gómez-Moñivas, S

Sáenz, JJ

Calleja, M

García, R

机构：

[1] Univ Autonoma Madrid, Dept Fis Mat Condensada, E-28049 Madrid, Spain

[2] Univ Autonoma Madrid, Inst Nicolas Cabrera, E-28049 Madrid, Spain

[3] CSIC, Inst Microelect Madrid, E-28760 Madrid, Spain

来源：

PHYSICAL REVIEW LETTERS | 2003年 / 91卷 / 05期

关键词：

D O I：

10.1103/PhysRevLett.91.056101

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A method to form and manipulate the properties of nanometer-size liquid bridges by an external electric field is discussed. The properties of bridges are shown to be the result of an interplay among the field-induced polarization of the water layer adsorbed on the surface, the surface energy, and the water condensation from the humid air. For a given tip-sample separation, a simple model predicts the existence of a threshold voltage V-th to form the bridge in full agreement with experiments.

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页数：4

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