Results 11 to 20 of about 1,208 (176)

Coupling Analysis of Flexoelectric Effect on Functionally Graded Piezoelectric Cantilever Nanobeams. [PDF]

open access: yesMicromachines (Basel), 2021
The flexoelectric effect has a significant influence on the electro-mechanical coupling of micro-nano devices. This paper studies the mechanical and electrical properties of functionally graded flexo-piezoelectric beams under different electrical ...
Chen Y, Zhang M, Su Y, Zhou Z.
europepmc   +2 more sources

Active Actuating of a Simply Supported Beam with the Flexoelectric Effect. [PDF]

open access: yesMaterials (Basel), 2020
Piezoelectric materials with the electro-mechanical coupling effect have been widely utilized in sensors, dampers, actuators, and so on. Engineering structures with piezoelectric actuators and sensors have provided great improvement in terms of vibration
Fan M, Min H.
europepmc   +2 more sources

Free vibration of nanobeams with surface and dynamic flexoelectric effects. [PDF]

open access: yesSci Rep
In this paper, the free vibration of piezoelectric nanobeams considering static flexoelectric, dynamic flexoelectric, and surface effects is studied.
Wang P, Xu J, Zhang X, Lv Y.
europepmc   +2 more sources

Flexoelectric Thin-Film Photodetectors

open access: yes, 2022
The flexoelectric effect, which manifests itself as a strain-gradient-induced electrical polarization, has triggered great interest due to its ubiquitous existence in crystalline materials without the limitation of lattice symmetry.
Jiang, Zhizheng   +9 more
core   +1 more source

Bistable nematic liquid crystal device with flexoelectric switching

open access: yes, 2006
Motivated generally by potential applications in the liquid crystal display industry [8,35], and specifically by recent experimental, theoretical and numerical work [6,7,13,14,21,25,30,31], we consider a thin film of nematic liquid crystal (NLC ...
RICHARDSON, Giles, CUMMINGS, L.J.
core   +1 more source

Converse flexoelectric effect in comb electrode piezoelectric microbeam

open access: yes, 2012
We demonstrate the converse flexoelectric effect in a lead zirconate titanate microbeam. The fringe electric field of a comb electrode induces converse flexoelectric responses in uniformly poled and depoled beams.
Chen, Wei, Shen, Zhiyuan
core   +1 more source

QMU Analysis of Flexoelectric Timoshenko Beam by Evidence Theory

open access: yes, 2023
In recent years, with the rapid development of nanotechnology, a new type of electromechanical coupling effect similar to the piezoelectric effect, the flexoelectric effect, has gradually come into the public’s view.
Feng Zhang   +5 more
core   +1 more source

Anomalous Dipolar Flexoelectric Effect in a Nematic Main-Chain Polymer

open access: yes, 1992
An anomalously large flexoelectric effect is predicted in the nematic phase of thermotropic main-chain polymers, which have a defined orientation of subsequent monomers bonded on the chain. We identify two different ranges of order parameters.
Petschek, Rolfe G., Terentjev, Eugene M.
core   +1 more source

Helix Alignment, Chevrons, and Edge Dislocations in Twist‐Bend Ferroelectric Nematics

open access: yesAdvanced Science, EarlyView.
The recently discovered twist‐bend ferroelectric nematic (NTBF) is the new member of the multiferroic family, representing a fluid with an oblique helicoidal (heliconical) periodic structure of spontaneous electric polarization. The work presents a thorough exploration of the material properties of this phase, how the periodic modulation of ...
Bijaya Basnet   +8 more
wiley   +1 more source

A Pollen‐Enhanced Bionic Mechanoreceptor Induced by Asymmetric Ionic Convection in Hydrogel for Sensory‐Augmented Prostheses

open access: yesAdvanced Science, EarlyView.
This work proposed a pollen‐enhanced bionic mechanoreceptor based on ionic convection. Leveraging the ion anchoring effect of the pollen particle, the output performance could be ∼12 times higher than the original state. By employing deep learning models as AI brains, the feasibility of a sensory‐augmented prosthesis consisting of a pollen‐enhanced ...
Zi Hao Guo   +7 more
wiley   +1 more source

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