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Nanoscale retention-loss dynamics of polycrystalline PbTiO3 nanotubes

Title
Nanoscale retention-loss dynamics of polycrystalline PbTiO3 nanotubes
Author
성태현
Keywords
retention; ferroelectrics; nanotubes; piezoresponse force microscopy; PbTiO3
Issue Date
2011-06
Publisher
John Wiley & Sons, Ltd
Citation
Physica Status Solidi - Rapid Research Letters, August 2011, 5(8), p.289-291
Abstract
We observed the nanoscale retention dynamics of polycrystalline PbTiO3 nanotubes using piezoresponse force microscopy. We found that the retention loss of the nanodot domains on the nanotubes showed the stretched exponential relaxation behaviors with stretched exponential factor n being less than 1 (0.523 and 0.692), which are similar to the thin films. In addition, the nanodot domains showed a diverse relaxation time constant tau due to different remnant polarization of each dot domains. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
URI
https://onlinelibrary.wiley.com/doi/full/10.1002/pssr.201105243http://hdl.handle.net/20.500.11754/66590
ISSN
1862-6254
DOI
10.1002/pssr.201105243
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRICAL AND BIOMEDICAL ENGINEERING(전기·생체공학부) > Articles
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