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January 25th, 2010

Direct Scanning Electron Microscopy Imaging of Ferroelectric Domains After Ion Milling

Published on January 25th, 2010 | By: pwray@ceramics.org

Volume 93 Issue 1, Pages 48 – 50

 

Daniel Grüner, Zhijian Shen
Published Online: Oct 23 2009 10:55AM
DOI: 10.1111/j.1551-2916.2009.03392.x

 

ABSTRACT
A method for directly observing the ferroelectric domain structure by scanning electron microscopy after argon ion milling has been established. Its advantages are exemplified by exposing the domain structure in three widely used ferroelectric ceramics, BaTiO3, (Na,K)NbO3, and Pb(Ti,Zr)O3. Stable high-resolution images revealing domains with widths <30 nm have been obtained. The domain contrast is caused by electron channeling and is strongly dependent on the sample tilt angle. Owing to a strain- and defect-free surface generated by gentle ion milling, pronounced orientation contrast is observed.

 

Online Access to Journal of the American Ceramic Society


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