Automated piezoresponse force microscopy domain tracking during fast thermally stimulated phase transition in CuInP2S6

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Abstract

Real-time tracking of dynamic nanoscale processes such as phase transitions by scanning probe microscopy is a challenging task, typically requiring extensive and laborious human supervision. Smart strategies to track specific regions of interest (ROI) in the system during such transformations in a fast and automated manner are necessary to study the evolution of the microscopic changes in such dynamic systems. In this work, we realize automated ROI tracking in piezoresponse force microscopy during a fast (≈0.8 °C s−1) thermally stimulated ferroelectric-to-paraelectric phase transition in CuInP2S6. We use a combination of fast (1 frame per second) sparse scanning with compressed sensing image reconstruction and real-time offset correction via phase cross correlation. The applied methodology enables in situ fast and automated functional nanoscale characterization of a certain ROI during external stimulation that generates sample drift and changes local functionality.

Original languageEnglish
Article number325703
JournalNanotechnology
Volume34
Issue number32
DOIs
StatePublished - Aug 6 2023

Funding

Notice: This manuscript has been authored by UT-Battelle, LLC, under contract DE-AC05-00OR22725 with the US Department of Energy (DOE). The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for the United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan ( http://energy.gov/downloads/doe-public-access-plan ). The research was supported by the Center for Nanophase Materials Sciences, (CNMS), which is a US Department of Energy, Office of Science User Facility at Oak Ridge National Laboratory. This manuscript has been authored by UT-Battelle, LLC, under Contract No. DEAC0500OR22725 with the US Department of Energy.

FundersFunder number
Center for Nanophase Materials Sciences
U.S. Department of Energy
Office of Science
Oak Ridge National LaboratoryDE-AC05-00OR22725

    Keywords

    • ROI tracking
    • atomic force microscopy
    • compressed sensing
    • phase cross correlation
    • piezoresponse force microscopy
    • spiral scan

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