Results 41 to 50 of about 388,640 (201)

Quantification of flexoelectricity in PbTiO3/SrTiO3 superlattice polar vortices using machine learning and phase-field modeling

Nature Communications, 2017
Flexoelectric coupling between strain gradients and polarization influences the physics of ferroelectric devices but it is difficult to directly probe its effects. Here, Li et al.
Q. Li, C. T. Nelson, S.-L. Hsu, A. R. Damodaran, L.-L. Li, A. K. Yadav, M. McCarter, L. W. Martin, R. Ramesh, S. V. Kalinin   +9 more
doaj   +1 more source

Vibration and Buckling Analysis of Functionally Graded Flexoelectric Smart Beam [PDF]

Journal of Applied and Computational Mechanics, 2019
In this paper, the buckling and vibration behaviour of functionally graded flexoelectric nanobeam is examined. The vibration and buckling formulations of functionally graded nanobeam are developed by using a new theory that’s presented exclusively for ...
Milad Esmaeili, Yaghoub Tadi Beni
doaj   +1 more source

Conservation Integrals in Nonhomogeneous Materials with Flexoelectricity

Applied Sciences, 2021
The flexoelectricity, which is a new electromechanical coupling phenomenon between strain gradients and electric polarization, has a great influence on the fracture analysis of flexoelectric solids due to the large gradients near the cracks. On the other
Pengfei Yu, Weifeng Leng, Yaohong Suo
doaj   +1 more source

Liquid crystaloptical shutter for stained glass and windows [PDF]

Нанотехнологии в строительстве, 2022
: Introduction. Liquid crystal as a nanomaterial has found application in science, engineering and technologies. The unique physical properties of liquid crystals make them sensitive to external influences. The article presents the results of an experi
Olga A. Denisova
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Acoustooptic shutter for glass units [PDF]

Нанотехнологии в строительстве, 2023
: Introduction. The use of liquid crystals is attractive for solving technical problems when creating a new generation of monitors, pressure sensors, seismic activity, determining the level of dry or liquid media, indicators of the concentration of ...
Olga A. Denisova
doaj   +1 more source

Flexoelectric polarisation effects in nematic liquid crystal phase gratings [PDF]

, 2008
Nematic phase gratings have been studied in which a planar nematic layer of thickness 17.2 μm is sandwiched between two glass substrates coated with an alignment polymer.
Mottram, N.J., Smith, A.A.T., Brown, C.V., Trabi, C.L.   +3 more
core   +4 more sources

Influence of geometric parameters of surface electrode on electromechanical response of PDMS under impact loading

Polymer Testing, 2021
In order to clarify the electromechanical coupling characteristics of polymer materials and extend their applications in MEMS (Micro-electromechanical Systems), electromechanical responses of PDMS (Polydimethylsiloxane) with different electrodes and ...
Enling Tang, Chang Liu, Mengzhou Chang, Mingyang Xu, Yafei Han, Chuang Chen, Kai Guo, Liping He   +7 more
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Active Chiral Plasmonics: Flexoelectric Control of Nanoscale Chirality

Advanced Photonics Research, 2021
The ability to electrically control the optical properties of metamaterials is an essential capability required for technological innovation. The creation of dynamic electrically tunable metamaterials in the visible and near infrared regions is important
Cameron Gilroy, Katie McKay, Machar Devine, Robert W. H. Webster, Nikolaj Gadegaard, Affar S. Karimullah, Donald A. Maclaren, Malcolm Kadodwala   +7 more
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Electromechanical analysis of bilayer piezoelectric sensors due to flexoelectricity and strain gradient elasticity

AIP Advances, 2019
The flexoelectric effect of materials, which is the coupling between strain gradient and electric polarization, is most noticeable for the micro/nano electromechanical systems.
Y. X. Su, Z. D. Zhou, F. P. Yang
doaj   +1 more source

Large deflection analysis of circular piezoelectric micro-actuator with flexoelectric effect

Scientific Reports, 2023
At micro/nano scale, the stiffening effect and flexoelectric effect of strain gradient play important roles in the electromechanical coupling response of piezoelectric micro-components.
Xue Ji
doaj   +1 more source