Results 171 to 180 of about 1,274 (207)

Flexoelectricity in soft elastomers and the molecular mechanisms underpinning the design and emergence of giant flexoelectricity [PDF]

Proceedings of the National Academy of Sciences of the United States of America, 2021
Significance The molecular-scale phenomena that lead to the emergence of the flexoelectric effect in elastomers are not well understood. We present a molecular-to-continuum scale theory and show it to be valid for common types of elastomers. We unravel a mechanism for achieving giant flexoelectricity—which finds support in prior experimental ...
Matthew Grasinger, Kosar Mozaffari
exaly   +4 more sources

Some of the next articles are maybe not open access.

Related searches:

Flexoelectric Thin-Film Photodetectors

Nano Letters, 2021
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. Here, we propose a flexoelectric photodetector based on a thin-film heterostructure.
Ming Wu, Zhizheng Jiang, Xiaojie Lou, Fan Zhang, Dongsheng Song, Shoucong Ning, Mengyao Guo, Stephen J. Pennycook, Ji-yan Dai, Zheng Wen   +9 more
openaire   +3 more sources

Flexoelectric spectroscopy

Journal of Physics: Condensed Matter, 2013
Flexoelectricity is an increasingly popular subject because it can be extremely large in thin films and permits switching of devices in nonpolar (non-piezoelectric) crystals via application of inhomogeneous stresses. However, recent work has been limited to macroscopic measurement of voltage or strain.
openaire   +2 more sources

Flexoelectricity in Electroconvection

Molecular Crystals and Liquid Crystals, 2009
We reexamine the influence of the flexoelectricity on the electroconvection (EC), the effect which has previously been studied in the conductive EC regime only. Now we extend our studies to the dielectric EC, and to the parameter range for which the standard model of EC excludes the existence of the instability.
T. Tóth-Katona, N. Éber, Á. Buka
openaire   +1 more source

When Flexoelectricity Drives Triboelectricity

Nano Letters, 2022
Triboelectricity has been known since antiquity, but the fundamental science underlying this phenomenon lacks consensus. We present a flexoelectric model for triboelectricity where contact deformation induced band bending at the nanoscale is the driving force for charge transfer.
Christopher A. Mizzi, Laurence D. Marks
openaire   +2 more sources

Advancements of Flexoelectric Materials and Their Implementations in Flexoelectric Devices

Advanced Functional Materials
AbstractFlexoelectricity, a universal electromechanical coupling phenomenon, has triggered new feasibilities of advancements in functional materials, especially for nanoscale materials. The strong flexoelectric response is initially discovered in ceramic materials with high permittivity, and then the past decades have witnessed the expansion of ...
Xu Liang, Huiting Dong, Yifan Wang, Qianqian Ma, Hongxing Shang, Shuling Hu, Shengping Shen   +6 more
openaire   +1 more source

Flexoelectricity and elasticity of asymmetric biomembranes

Physical Review E, 2002
In view of the well-established charge and dipolar asymmetry of the two leaflets of a native membrane, the theory of flexoelectricity (and curvature elasticity) is extended to take into account this asymmetry using linear and nonlinear forms of the Poisson-Boltzmann equation.
Alexander G, Petrov, Frederick, Sachs
openaire   +2 more sources

Advancements and Prospects of Flexoelectricity

ACS Applied Materials & Interfaces
The flexoelectric effect, as a novel form of the electromechanical coupling phenomenon, has attracted significant attention in the fields of materials science and electronic devices. It refers to the interaction between strain gradients and electric dipole moments or electric field intensity gradients and strain.
Yanlong Xia, Weiqi Qian, Ya Yang
openaire   +2 more sources

Surface polarization and flexoelectric effect

Journal of Applied Physics, 1991
In order to evaluate the order of magnitude and to establish the origin of the surface polarization, experimental investigations of direct piezoelectrical effect in nematic liquid crystals have been performed. The experimental setup used allows the temperature dependence of the electrical response of a nematic sample, submitted to periodic acoustic ...
BARBERO, GIOVANNI, A. P. KREKHOV, A. N. CHUVYROV, D. A. SCALDIN   +3 more
openaire   +2 more sources

Flexoelectricity and Piezoelectricity

2001
Physical Review ...
Cepic, Mojca, Zeks, Bostjan
openaire   +1 more source