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Founded in 1887!

Zeitschrift für Physikalische Chemie

International journal of research in physical chemistry and chemical physics

Ed. by Rademann, Klaus

12 Issues per year

IMPACT FACTOR increased in 2014: 1.356

SCImago Journal Rank (SJR) 2014: 0.421
Source Normalized Impact per Paper (SNIP) 2014: 0.521
Impact per Publication (IPP) 2014: 1.140



Volume 0 (0)

Oscillations of a Hanging Liquid Drop, Driven by Interfacial Dielectric Force

Nikolay Tankovsky* / Nikolay Zografov1

1 University of Sofia, Faculty of Physics, Sofia-1164, Bulgarien

* Correspondence address: University of Sofia, Faculty of Physics, 5 James Bourchier Blvd., Sofia-1164, Bulgarien,

Citation Information: Zeitschrift für Physikalische Chemie International journal of research in physical chemistry and chemical physics. Volume 225, Issue 4, Pages 405–411, ISSN (Print) 0942-9352, DOI: 10.1524/zpch.2011.0074, February 2011

Publication History

Published Online:


Experimental technique is proposed to excite oscillations of a hanging liquid droplet by applying interfacial dielectric force directly upon the droplet surface. The force proved to be applicable for all kinds of liquids and solutions including non-conductive, isolating liquids. The oscillations are detected optically, with the help of a laser beam. The measured resonant frequency modes and resonance half-widths may be used to retrieve information about the surface properties of the droplet (surface tension and surface charge, in particular). The method is applicable to a wide variety of liquids and interfaces. Possible applications are analyzed and discussed.

Keywords: Liquid-Air Interface; Oscillating Droplet; Interfacial Force; Suface Tension; Surface Charge

Citing Articles

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Nikolay Zografov, Nikolay Tankovsky, and Andreana Andreeva
Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2014, Volume 460, Page 351

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