Atomistic determination of flexoelectric properties of crystalline dielectrics

R Maranganti, P Sharma - Physical Review B—Condensed Matter and …, 2009 - APS
Upon application of a uniform strain, internal sublattice shifts within the unit cell of a
noncentrosymmetric dielectric crystal result in the appearance of a net dipole moment: a …

[PDF][PDF] Electric field gradient theory with surface effect for nano-dielectrics

S Hu, S Shen - Computers, Materials & Continua (CMC), 2009 - cdn.techscience.cn
The electric field gradient effect is very strong for nanoscale dielectrics. In addition, neither
the surface effect nor electrostatic force can be ignored. In this paper, the electric Gibbs free …

A non-classical theory of elastic dielectrics incorporating couple stress and quadrupole effects: part I–reconsideration of curvature-based flexoelectricity theory

YL Qu, GY Zhang, YM Fan, F Jin - … and Mechanics of Solids, 2021 - journals.sagepub.com
A new non-classical theory of elastic dielectrics is developed using the couple stress and
electric field gradient theories that incorporates the couple stress, quadrupole and curvature …

Surface piezoelectricity: size effects in nanostructures and the emergence of piezoelectricity in non-piezoelectric materials

S Dai, M Gharbi, P Sharma, HS Park - Journal of Applied Physics, 2011 - pubs.aip.org
In this work, using a combination of a theoretical framework and atomistic calculations, we
highlight the concept of “surface piezoelectricity,” which can be used to interpret the …

Flexoelectric effect on the electroelastic responses and vibrational behaviors of a piezoelectric nanoplate

Z Zhang, Z Yan, L Jiang - Journal of Applied Physics, 2014 - pubs.aip.org
Flexoelectricity, referring to the coupling between electric polarization and strain gradients,
is a universal effect in all dielectrics and may become manifest at the nano-scale. The …

Elastic wave propagation and localization in band gap materials: a review

FM Li, YZ Wang - Science China Physics, Mechanics and Astronomy, 2012 - Springer
Band gap materials (ie phononic crystals) are the artificially periodic structures, which have
the stop band characteristic for elastic waves. The elastic waves will be localized in …

Modeling and stabilizability of voltage-actuated piezoelectric beams with magnetic effects

KA Morris, AO Özer - SIAM Journal on Control and Optimization, 2014 - SIAM
Models for piezoelectric beams and structures with piezoelectric patches generally ignore
magnetic effects. This is because the magnetic energy has a relatively small effect on the …

Damping analysis of stiffened laminated composite plates in thermal environment

S Chandra, M Maeder, K Sepahvand, VA Matsagar… - Composite …, 2022 - Elsevier
High-strength and lightweight composites used in high-speed vehicles and aircraft
experience increased temperature owing to aerodynamic friction. Because of the rise in …

Electric field, strain and inertia gradient effects on anti-plane wave propagation in piezoelectric materials

Y Solyaev, S Lurie - Journal of Sound and Vibration, 2021 - Elsevier
In this study, we derive the dispersion relations for anti-plane waves in the second gradient
electroelasticity theory considering the electric field, strain, and inertia gradient effects …

Equivalence between exponential stabilization and boundary observability for piezoelectric beams with magnetic effect

AJA Ramos, MM Freitas, DS Almeida, SS Jesus… - … Mathematik und Physik, 2019 - Springer
In this paper, we study a one-dimensional dissipative system of piezoelectric beams with
magnetic effect, based on the work of Morris and Özer (in: The proceedings of 52nd IEEE …