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Structural analysis of truncated pyramids for flexoelectric sensing

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Abstract

In the present study, a truncated pyramid structure was adopted to analyze the effect of the configuration of structures on the flexoelectric effect. In order to use the flexoelectric effect as sensing mechanism, the flexoelectric material, barium strontium titanate (Ba0.65Sr0.35TiO3 - BST) ceramic, which has been known to have the highest flexoelectricity at room temperature until now, was used for the analysis. The flexoelectric output is influenced by not only the dimensions of the structure but also the edge processing. Depending on the shape and amount of edge style, the difference in charge output between the designed and actual fabricated can exist up to 51 %. The results can offer a guide for designing flexoelectric sensors in micro and nano scales.

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Authors and Affiliations

  1. Institute of Mechanical Engineering Technology, Kyungpook National University, Daegu, Korea

    Seol ryung Kwon

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  1. Seol ryung Kwon
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Correspondence to Seol ryung Kwon.

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Recommended by Associate Editor Seong-Chan Jun

Seol ryung Kwon received the Ph.D. degree in mechanical engineering from North Carolina State University in 2014. Currently, she is a post doctoral fellow in Institute of Mechanical Engineering Technology, Kyungpook National University, Daegu, South Korea. Her major research interests include design and fabrication of flexoelectric sensors.

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Kwon, S.r. Structural analysis of truncated pyramids for flexoelectric sensing. J Mech Sci Technol 31, 5971–5975 (2017). https://doi.org/10.1007/s12206-017-1141-x

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  • DOI: https://doi.org/10.1007/s12206-017-1141-x

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