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Local retention behaviors of epitaxial and polycrystalline Pb Mg13 Nb23 O3 -PbTi O3 thin films by scanning force microscopy

Title
Local retention behaviors of epitaxial and polycrystalline Pb Mg13 Nb23 O3 -PbTi O3 thin films by scanning force microscopy
Authors
Lee J.H.Choi M.R.Oh Y.J.Jo W.
Ewha Authors
조윌렴
SCOPUS Author ID
조윌렴scopus
Issue Date
2007
Journal Title
Applied Physics Letters
ISSN
0003-6951JCR Link
Citation
vol. 91, no. 7
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
The authors report the results of retention in epitaxial and polycrystalline Pb Mg13 Nb23 O3 -PbTi O3 (PMN-PT) thin films on SrRu O3 (SRO) and Pt. The SRO electrodes were deposited by pulsed laser deposition and the PMN-PT thin films were coated by a sol-gel method. Local poling behaviors of the PMN-PT domains were investigated as a function of time in both single-poled and reverse-poled regions by scanning force microscopy. An extended exponential decay is observed in the PMN-PT/SRO heterostructures while a fluctuated relaxation is shown in the PMN-PT/Pt films, suggesting that crystal orientation and grain growth is critical to understand retention of relaxor ferroelectrics. © 2007 American Institute of Physics.
DOI
10.1063/1.2769945
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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