Electrostrictive and electrostatic responses in contact mode voltage modulated scanning probe microscopies

Eugene A. Eliseev, Anna N. Morozovska, Anton V. Ievlev, Nina Balke, Peter Maksymovych, Alexander Tselev, Sergei V. Kalinin

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42 Scopus citations

Abstract

Electromechanical response of solids underpins image formation mechanism of several scanning probe microscopy techniques including the piezoresponse force microscopy (PFM) and electrochemical strain microscopy (ESM). While the theory of linear piezoelectric and ionic responses are well developed, the contributions of quadratic effects including electrostriction and capacitive tip-surface forces to measured signal remain poorly understood. Here, we analyze the electrostrictive and capacitive contributions to the PFM and ESM signals and discuss the implications of the dielectric tip-surface gap on these interactions.

Original languageEnglish
Article number232901
JournalApplied Physics Letters
Volume104
Issue number23
DOIs
StatePublished - Jun 9 2014

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