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Switching spectroscopic measurement of surface potentials on ferroelectric surfaces via an open-loop Kelvin probe force microscopy method

Li, Qian; Liu, Yun; Wang, Danyang; Withers, Ray L.; Li, Zhenrong; Luo, Haosu; Xu, Zhuo


We report a method for switching spectroscopy Kelvin probe force microscopy (SS-KPFM). The method is established as a counterpart to switching spectroscopy piezoresponse force microscopy (SS-PFM) in Kelvin probe force microscopy. SS-KPFM yields quantitative information about the surface charge state during a local bias-induced polarization switching process, complementary to the electromechanical coupling properties probed via SS-PFM. Typical ferroelectric samples of a Pb-based relaxor single...[Show more]

CollectionsANU Research Publications
Date published: 2012-12-12
Type: Journal article
Source: Applied Physics Letters
DOI: 10.1063/1.4772511


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