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Field-Induced Formation of Nanometer-Sized Water Bridges

AuthorsGómez-Moñivas, Sacha; Sáenz, J. J.; Calleja, Montserrat ; García García, Ricardo
KeywordsWater meniscus
AFM oxidation
Issue Date1-Aug-2003
PublisherAmerican Physical Society
CitationPhysical Review Letters 91, 056101 (2003)
AbstractA 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 Vth to form the bridge in full agreement with experiments.
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevLett.91.056101
Appears in Collections:(IMN-CNM) Artículos
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