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Conduction at Domain Walls in Insulating Pb(Zr 0.2 Ti 0.8 )O 3 Thin Films

2011; Volume: 23; Issue: 45 Linguagem: Inglês

10.1002/adma.201102254

1521-4095

Jill Guyonnet, Iaroslav Gaponenko, Stefano Gariglio, Patrycja Paruch,

Microwave Dielectric Ceramics Synthesis

Domain wall conduction in insulating Pb(Zr0.2Ti0.8)O3 thin films is demonstrated. The observed electrical conduction currents can be clearly differentiated from displacement currents associated with ferroelectric polarization switching. The domain wall conduction, nonlinear and highly asymmetric due to the specific local probe measurement geometry, shows thermal activation at high temperatures, and high stability over time. Detailed facts of importance to specialist readers are published as "Supporting Information". Such documents are peer-reviewed, but not copy-edited or typeset. They are made available as submitted by the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.