TITLE

Piezoresponse through a ferroelectric nanotube wall

AUTHOR(S)
Nonnenmann, Stephen S.; Gallo, Eric M.; Coster, Michael T.; Soja, Gregory R.; Johnson, Craig L.; Joseph, Rahul S.; Spanier, Jonathan E.
PUB. DATE
December 2009
SOURCE
Applied Physics Letters;12/7/2009, Vol. 95 Issue 23, p232903
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We report on the controlled local switching and imaging of local ferroelectric polarizations oriented perpendicular to the long axis of a lead zirconate titanate (PZT) nanotube. Piezoresponse force microscopy and ferroelectric piezoelectric hysteresis data indicate stable polarizations oriented along the radial, finite-thickness direction can be formed in a nanoshell geometry. The results of infrared spectroscopy and of the character of as-found polarizations are consistent with recent findings linking surface chemical environment to ferroelectric stability and to orientation of ferroelectric polarizations.
ACCESSION #
46708384

 

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