Converse flexoelectric coefficient f 1212 in bulk Ba 0.67Sr0.33TiO3

Longlong Shu; Wenbin Huang; Seol Ryung Kwon; Zhao Wang; Fei Li; Xiaoyong Wei; Shujun Zhang; Michael Lanagan; Xi Yao; Xiaoning Jiang

doi:10.1063/1.4882060

Converse flexoelectric coefficient f ₁₂₁₂ in bulk Ba _0.67Sr_0.33TiO₃

Longlong Shu, Wenbin Huang, Seol Ryung Kwon, Zhao Wang, Fei Li, Xiaoyong Wei, Shujun Zhang, Michael Lanagan, Xi Yao, Xiaoning Jiang

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Abstract

The converse flexoelectric effect, referred as the electric field gradient induced strain, widely exists in dielectric materials, but its experimental studies have been reported by few research groups so far. In this Letter, we report our studies on the converse flexoelectric behavior of (Ba _0.67Sr_0.33)TiO₃ ceramics and present the measured value of its flexoelectric coefficient f₁₂₁₂. In the experiments, the electric field gradient was generated by applying an electric field across the two lateral sides of trapezoid (Ba_0.67Sr _0.33)TiO₃ samples. The shear displacement was measured using a laser vibrometer. The converse flexoelectric coefficient f ₁₂₁₂ was found to be 124 ± 14 μ C/m at room temperature. This result was in good agreement with the theoretical prediction of the flexoelectricity of the (Ba, Sr)TiO₃ ceramics.

Original language	English (US)
Article number	232902
Journal	Applied Physics Letters
Volume	104
Issue number	23
DOIs	https://doi.org/10.1063/1.4882060
State	Published - Jun 9 2014

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.4882060

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title = "Converse flexoelectric coefficient f 1212 in bulk Ba 0.67Sr0.33TiO3",

abstract = "The converse flexoelectric effect, referred as the electric field gradient induced strain, widely exists in dielectric materials, but its experimental studies have been reported by few research groups so far. In this Letter, we report our studies on the converse flexoelectric behavior of (Ba 0.67Sr0.33)TiO3 ceramics and present the measured value of its flexoelectric coefficient f1212. In the experiments, the electric field gradient was generated by applying an electric field across the two lateral sides of trapezoid (Ba0.67Sr 0.33)TiO3 samples. The shear displacement was measured using a laser vibrometer. The converse flexoelectric coefficient f 1212 was found to be 124 ± 14 μ C/m at room temperature. This result was in good agreement with the theoretical prediction of the flexoelectricity of the (Ba, Sr)TiO3 ceramics.",

author = "Longlong Shu and Wenbin Huang and {Ryung Kwon}, Seol and Zhao Wang and Fei Li and Xiaoyong Wei and Shujun Zhang and Michael Lanagan and Xi Yao and Xiaoning Jiang",

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T1 - Converse flexoelectric coefficient f 1212 in bulk Ba 0.67Sr0.33TiO3

AU - Shu, Longlong

AU - Huang, Wenbin

AU - Ryung Kwon, Seol

AU - Wang, Zhao

AU - Li, Fei

AU - Wei, Xiaoyong

AU - Zhang, Shujun

AU - Lanagan, Michael

AU - Yao, Xi

AU - Jiang, Xiaoning

PY - 2014/6/9

Y1 - 2014/6/9

N2 - The converse flexoelectric effect, referred as the electric field gradient induced strain, widely exists in dielectric materials, but its experimental studies have been reported by few research groups so far. In this Letter, we report our studies on the converse flexoelectric behavior of (Ba 0.67Sr0.33)TiO3 ceramics and present the measured value of its flexoelectric coefficient f1212. In the experiments, the electric field gradient was generated by applying an electric field across the two lateral sides of trapezoid (Ba0.67Sr 0.33)TiO3 samples. The shear displacement was measured using a laser vibrometer. The converse flexoelectric coefficient f 1212 was found to be 124 ± 14 μ C/m at room temperature. This result was in good agreement with the theoretical prediction of the flexoelectricity of the (Ba, Sr)TiO3 ceramics.

AB - The converse flexoelectric effect, referred as the electric field gradient induced strain, widely exists in dielectric materials, but its experimental studies have been reported by few research groups so far. In this Letter, we report our studies on the converse flexoelectric behavior of (Ba 0.67Sr0.33)TiO3 ceramics and present the measured value of its flexoelectric coefficient f1212. In the experiments, the electric field gradient was generated by applying an electric field across the two lateral sides of trapezoid (Ba0.67Sr 0.33)TiO3 samples. The shear displacement was measured using a laser vibrometer. The converse flexoelectric coefficient f 1212 was found to be 124 ± 14 μ C/m at room temperature. This result was in good agreement with the theoretical prediction of the flexoelectricity of the (Ba, Sr)TiO3 ceramics.

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Converse flexoelectric coefficient f ₁₂₁₂ in bulk Ba _0.67Sr_0.33TiO₃

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