WebbAbstract. Flexoelectricity—the coupling between polarization and strain gradients—is a universal effect allowed by symmetry in all materials. Following its discovery several decades ago, studies of flexoelectricity in solids have been scarce due to the seemingly small magnitude of this effect in bulk samples. Webbbend conspire within the Frank-Oseen elasticity theory of nematics to create a ... (either using the flexoelectric formulation[1] or based on the negative value of the bend ... [10] Barnes PJ, Douglass AG, Heeks SK, et al. An enhanced odd-even effect of liquid crystal dimers Orientational order in the α,ω-bis(4′-cyanobiphenyl-4 ...
Flexoelectricity in metals: Journal of Applied Physics: Vol 129, No 19
Webb15 dec. 2024 · The effect of rod-like nanoparticles on the high-frequency dielectric susceptibility of the nematic nano-composites has been investigated in the framework of a molecular theory. Analytical expressions for the components of the effective polarizability of a rod-like nanoparticle in the nematic host have been obtained and used in the … Webb16 okt. 2024 · It appeared that the components of effective flexoelectrics and piezoelectric couplings can be described by parabolic dependences of the corrugation, useful for applications of LD-TMDs in strain engineering and flexible electronics. 2 Highly Influenced PDF View 4 excerpts, cites background fm4 online shop
Giant flexoelectric effect in two-dimensional boron-nitride sheets
Webb10 apr. 2024 · Under the influence of the flexoelectric effect, the current research analyzes the free vibrations of a rotating piezoelectric microbeam. Also, all rotating microbeams … WebbOur goal in the following section is to determine the matrix representations of the complete flexoelectricity law, for each symmetry class. 4. Matrix Representations. It is common practice in continuum mechanics [ 34] to rewrite a constitutive tensorial law in matrix form for being able to implement it in a FEM code. Webb26 dec. 2024 · In this article, we study the flexoelectricity induced in a prismatic anisotropic bar due to torsion. The simplified strain gradient elasticity theory is considered in this study. The bar is uniform, that is, any cross-section of the bar has a rectangular shape with cubic internal structure symmetry. greensboro downtown restaurants