Results 51 to 60 of about 1,208 (176)

Flexoelectric effect on thickness-shear vibration of a rectangular piezoelectric crystal plate

open access: yes, 2021
Thickness-shear (TSh) vibration of a rectangular piezoelectric crystal plate is studied with the consideration of flexoelectric effect in this paper. The developed theoretical model is based on the assumed displacement function which includes the anti ...
Bin Huang, Ji Wang, Yang Zheng
core   +1 more source

Dynamic Flexoelectric Actuation and Vibration Control of Beams

open access: yes, 2018
A flexoelectric cantilever beam actuated by the converse flexoelectric effect is evaluated and its analytical and experimental data are compared in this study.
Bolei Deng, Hornsen Tzou, Mu Fan
core   +1 more source

Effect of annealing on flexoelectricity in hafnium oxide (HfO2)

open access: yesApplied Physics Letters
Flexoelectricity is universal in all dielectrics, effective at high temperatures, and a promising transduction technique for nanoelectromechanical systems (NEMS). However, as flexoelectricity is still in its early stages, many aspects require further investigation.
Daniel Moreno-Garcia   +1 more
openaire   +2 more sources

Electrostatic potential in a bent flexoelectric semiconductive nanowire

open access: yes, 2013
Flexoelectricity presents a strong size effect, and should not be ignored for nanodevices. In this paper, the flexoelectric effect is taken into account to investigate the electrostatic potential distribution in a bent flexoelectric semiconductive ...
Ying Xu, Shengping Shen, Shuling Hu
core   +1 more source

The flexoelectric effect associated size dependent pyroelectricity in solid dielectrics

open access: yes, 2015
A phenomenological thermodynamic theory is used to investigate the effect of strain gradient on the pyroelectric effect in centrosymmetric dielectric solids.
Zhiguo Liu   +5 more
core   +1 more source

Nanoscale flexoelectric energy harvesting [PDF]

open access: yes, 2020
a b s t r a c t One of the most tantalizing applications of piezoelectricity is to harvest energy from ambient mechanical vibrations for powering micro and nano devices.
Qian Deng   +3 more
core  

Flexoelectric Actuation and Vibration Control of Ring Shells

open access: yes, 2017
The converse flexoelectric effect, i.e., the polarization (or electric field) gradient-induced internal stress (or strain), can be utilized to actuate and control flexible structures.
Bolei Deng, Hornsen Tzou, Huiyu Li
core   +1 more source

Distributed flexoelectric modal signals on circular cylindrical shells

open access: yes, 2017
Flexoelectricity exhibits both direct effect and converse effect. For direct flexoelectric effect, mechanical strain gradients induce a homogeneous electric polarization in dielectrics.
Hua Li, Kaiming Hu, HS Tzou
core   +1 more source

Flexoelectric and dielectric phenomena in helicoidal liquid crystals

open access: yes, 2013
The unique features of flexoelectric and dielectric effects are investigated, and exploited for a variety of functions, in a wide range of helicoidal liquid crystal systems, including non-chiral, cholesteric and blue phases.
Outram, Benjamin I., Outram, Benjamin
core   +1 more source

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