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Title: Dynamic electrostatic force microscopy in liquid media
Author: Gramse, Georg
Edwards, M. A.
Fumagalli, Laura, 1959-
Gomila Lluch, Gabriel
Keywords: Microscòpia de força atòmica
Electròlits Dielèctrics
Atomic force microscopy
Issue Date: 21-Nov-2012
Publisher: American Institute of Physics
Abstract: We present the implementation of dynamic electrostatic force microscopy in liquid media. This implementation enables the quantitative imaging of local dielectric properties of materials in electrolyte solutions with nanoscale spatial resolution. Local imaging capabilities are obtained by probing the frequency-dependent and ionic concentration-dependent electrostatic forces at high frequency (>1 MHz), while quantification of the interaction forces is obtained with finite-element numerical calculations. The results presented open a wide range of possibilities in a number of fields where the dielectric properties of materials need to be probed at the nanoscale and in a liquid environment.
Note: Reproducció del document publicat a:
It is part of: Applied Physics Letters, 2012, vol. 101, num. 21, p. 213108
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ISSN: 0003-6951
Appears in Collections:Articles publicats en revistes (Electrònica)
Publicacions de projectes de recerca finançats per la UE
Articles publicats en revistes (Institut de Bioenginyeria de Catalunya (IBEC))

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