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Nanoscale retention-loss dynamics of polycrystalline PbTiO3 nanotubes
- Issue Date
- Aug-2011
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- retention; ferroelectrics; nanotubes; piezoresponse force microscopy; PbTiO3
- Citation
- PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS, v.5, no.8, pp.289 - 291
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS
- Volume
- 5
- Number
- 8
- Start Page
- 289
- End Page
- 291
- ISSN
- 1862-6254
- 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.
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Related Researcher
- Sung, Tae Hyun
- COLLEGE OF ENGINEERING (MAJOR IN ELECTRICAL ENGINEERING)