Journal
REVIEW OF SCIENTIFIC INSTRUMENTS
Volume 76, Issue 2, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.1850652
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This article describes an experimental setup for combined measurements of domain switching dynamics and switching currents in micrometer scale ferroelectric capacitors. The setup is based on a commercial atomic force microscope (AFM) that is equipped with a piezoresponse mode for domain imaging and with a wide bandwidth current amplifier for switching current recording. The setup allows combined domain/current measurements in capacitors as small as 1 mum(2) with switching times resolved down to 10 ns. The incorporation of switching current measurement capability into piezoresponse AFM makes detailed analysis of switching behavior in ferroelectric memory devices possible. (C) 2005 American Institute of Physics.
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