Local probing of ferroelectric and ferroelastic switching through stress-mediated piezoelectric spectroscopy

David Edwards, Steven Brewer, Ye Cao, Stephen Jesse, Long-Qing Chen, Sergei V. Kalinin, Amit Kumar, Nazanin Bassiri-Gharb

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13 Citations (Scopus)
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Strain effects have a significant role in mediating classic ferroelectric behavior such as polarization switching and domain wall dynamics. These effects are of critical relevance if the ferroelectric order parameter is coupled to strain and is therefore, also ferroelastic. Here, switching spectroscopy piezoresponse force microscopy (SS-PFM) is combined with control of applied tip pressure to exert direct control over the ferroelastic and ferroelectric switching events, a modality otherwise unattainable in traditional PFM. As a proof of concept, stress-mediated SS-PFM is applied toward the study of polarization switching events in a lead zirconate titanate thin film, with a composition near the morphotropic phase boundary with co-existing rhombohedral and tetragonal phases. Under increasing applied pressure, shape modification of local hysteresis loops is observed, consistent with a reduction in the ferroelastic domain variants under increased pressure. These experimental results are further validated by phase field simulations. The technique can be expanded to explore more complex electromechanical responses under applied local pressure, such as probing ferroelectric and ferroelastic piezoelectric nonlinearity as a function of applied pressure, and electro-chemo-mechanical response through electrochemical strain microscopy.
Original languageEnglish
JournalAdvanced Materials Interfaces
Issue number7
Early online date19 Jan 2016
Publication statusPublished - 09 Apr 2016


  • ferroelectric, ferroelastic, piezoresponse force microscopy, lead zirconate titanate


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