Electromechanical analysis of direct and converse flexoelectric effects under a scanning probe tip

Wenyuan Liu,Feng Deng,Shaoxiong Xie,Shengping Shen,Jiangyu Li

Journal of the Mechanics and Physics of Solids（2020）

引用 30|浏览16

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摘要

•Mixed finite element method to analyze flexoelectricity under a scanning probe•Mixed FEM validated by analytic solutions for simple axially-symmetric tubes•Flexoelectricity accounts for less than 20% of the typical measured piezoresponse•Mechanical switching via flexoelectricity only possible for upward polarization•Mechanical switching zone confined to a small region under PFM tip

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关键词

Flexoelectric effect,Piezoresponse force microscopy,Mixed finite element method

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