PMID: 22587285May 17, 2012Paper

Substrate clamping effects on irreversible domain wall dynamics in lead zirconate titanate thin films

Physical Review Letters
F GriggioS Trolier-McKinstry

Abstract

The role of long-range strain interactions on domain wall dynamics is explored through macroscopic and local measurements of nonlinear behavior in mechanically clamped and released polycrystalline lead zirconate-titanate (PZT) films. Released films show a dramatic change in the global dielectric nonlinearity and its frequency dependence as a function of mechanical clamping. Furthermore, we observe a transition from strong clustering of the nonlinear response for the clamped case to almost uniform nonlinearity for the released film. This behavior is ascribed to increased mobility of domain walls. These results suggest the dominant role of collective strain interactions mediated by the local and global mechanical boundary conditions on the domain wall dynamics. The work presented in this Letter demonstrates that measurements on clamped films may considerably underestimate the piezoelectric coefficients and coupling constants of released structures used in microelectromechanical systems, energy harvesting systems, and microrobots.

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Citations

Jan 15, 2015·IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control·Raegan L Johnson-WilkeSusan Trolier-McKinstry
Jul 9, 2016·ACS Applied Materials & Interfaces·Evgeniya KhomyakovaTadej Rojac
Oct 7, 2015·Scientific Reports·An Quan JiangCheol Seong Hwang
Dec 18, 2019·Scientific Reports·J IrwinM S Rzchowski
Mar 18, 2021·ACS Applied Materials & Interfaces·Xingang LiuChuhong Zhang
Jul 7, 2018·ACS Applied Materials & Interfaces·Brian M FoleyJon F Ihlefeld
Jul 4, 2019·Nano Letters·Yangyang ZhangYimei Zhu
Apr 16, 2020·ACS Applied Materials & Interfaces·Eric LangenbergDarrell G Schlom
Nov 13, 2021·Science Advances·Shane LindemannMark S Rzchowski

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