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Local elasticity imaging of ferroelectric domains in Pb(Mg1/3Nb2/3)O-3-PbTiO3 single crystals by low-frequency atomic force acoustic microscopy

机译:Pb(Mg1 / 3Nb2 / 3)O-3-PbTiO3单晶中铁电畴的局部弹性成像的低频原子力显微镜

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摘要

Low-frequency atomic force acoustic microscopy have been successfully developed based on the commercial AM and used to characterize local elasticity of ferroelectric domains in PMN-PT single crystals. The acoustic images of ferroelectric domain were firstly visualized by AFAM at low frequency below 10 kHz. The domain imaging mechanisms are ascribed to local contact stiffness difference of the individual domains in response to local elastic stress fields induced in the sample. Relationship between the local piezoelectricity and elasticity for ferroelectric domains of PMN-PT single crystals was revealed. (C) 2004 Elsevier Ltd. All rights reserved.
机译:低频原子力声显微镜已成功地基于商业AM开发,并用于表征PMN-PT单晶中铁电畴的局部弹性。首先通过AFAM在低于10 kHz的低频下可视化铁电畴的声像。畴成像机制归因于响应于样品中引起的局部弹性应力场的各个畴的局部接触刚度差。揭示了PMN-PT单晶铁电畴的局部压电性与弹性之间的关系。 (C)2004 Elsevier Ltd.保留所有权利。

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