Local retention behaviors of epitaxial and polycrystalline PbMg1/3Nb2/3O3-PbTiO3 thin films by scanning force microscopy
作者： JH Lee , MR Choi , YJ Oh , W Jo , None
DOI: 10.1063/1.2769945
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摘要: The authors report the results of retention in epitaxial and polycrystalline PbMg1∕3Nb2∕3O3–PbTiO3 (PMN-PT) thin films on SrRuO3 (SRO) Pt. SRO electrodes were deposited by pulsed laser deposition PMN-PT coated a sol-gel method. Local poling behaviors domains investigated as function time both single-poled reverse-poled regions scanning force microscopy. An extended exponential decay is observed PMN-PT/SRO heterostructures while fluctuated relaxation shown PMN-PT/Pt films, suggesting that crystal orientation grain growth critical to understand relaxor ferroelectrics.
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