Results 61 to 70 of about 146,072 (193)

First-principles study of (BiScO3){1-x}-(PbTiO3){x} piezoelectric alloys

open access: yes, 2003
We report a first-principles study of a class of (BiScO3)_{1-x}-(PbTiO3)_x (BS-PT) alloys recently proposed by Eitel et al. as promising materials for piezoelectric actuator applications.
A.M. George   +27 more
core   +1 more source

Quantitative evaluation of the piezoelectric response of unpoled ferroelectric ceramics from elastic and dielectric measurements: tetragonal BaTiO$_3$

open access: yes, 2017
A method for evaluating the piezoelectric response of unpoled ferroelectric ceramics from elastic and dielectric measurements is proposed and tested on BaTiO$_3$.
Cordero, F.
core   +1 more source

Direct Measurement of Piezoelectric Response around Ferroelectric Domain Walls in Crystals with Engineered Domain Configuration

open access: yes, 2008
We report the first investigation of the piezoelectric response on a nanoscale in the poled ferroelectric crystals with engineered configuration of domains.
Alexei A. Bokov   +4 more
core   +1 more source

Interface crack between dissimilar one-dimensional hexagonal quasicrystals with piezoelectric effect [PDF]

open access: yes, 2019
In this paper, an interface crack between dissimilar one-dimensional (1D) hexagonal quasicrystals with piezoelectric effect under anti-plane shear and in-plane electric loadings is studied. By using integral transform techniques, the mixed boundary value
Chen, X, Hu, KQ, Jin, H, Yang, Zhenjun
core   +1 more source

Origin of the anomalous piezoelectric response in wurtzite Sc$_x$Al$_{1-x}$N alloys

open access: yes, 2010
The origin of the anomalous, 400% increase of the piezoelectric coefficient in Sc$_x$Al$_{1-x}$N alloys is revealed. Quantum mechanical calculations show that the effect is intrinsic.
Abrikosov, Igor A.   +6 more
core   +1 more source

Numerical modeling of shape and topology optimisation of a piezoelectric cantilever beam in an energy-harvesting sensor [PDF]

open access: yes, 2016
Piezoelectric materials are excellent transducers for converting mechanical energy from the environment for use as electrical energy. The conversion of mechanical energy to electrical energy is a key component in the development of self-powered devices ...
Liu, Jing-Sheng, Thein, Chung Ket
core   +1 more source

Piezoelectricity in Two‐Dimensional Materials

open access: yesAngewandte Chemie International Edition, 2015
Powering up 2D materials: Recent experimental studies confirmed the existence of piezoelectricity—the conversion of mechanical stress into electricity—in two-dimensional single-layer MoS2 nanosheets. The results represent a milestone towards embedding low-dimensional materials into future disruptive technologies.
Wu, Tao, Zhang, Hua
openaire   +4 more sources

A Piezoelectric, Strain-Controlled Antiferromagnetic Memory Insensitive to Magnetic Fields

open access: yes, 2019
Spintronic devices based on antiferromagnetic (AFM) materials hold the promise of fast switching speeds and robustness against magnetic fields. Different device concepts have been predicted and experimentally demonstrated, such as low-temperature AFM ...
Chen, Zuhuang   +19 more
core   +1 more source

Materials Contrast in Piezoresponse Force Microscopy

open access: yes, 2006
Piezoresponse Force Microscopy contrast in transversally isotropic material corresponding to the case of c+ - c- domains in tetragonal ferroelectrics is analyzed using Green's function theory by Felten et al. [J. Appl. Phys. 96, 563 (2004)]. A simplified
Anna N. Morozovska   +4 more
core   +1 more source

A multiscale-multiphysics strategy for numerical modeling of thin piezoelectric sheets

open access: yes, 2014
Flexible piezoelectric devices made of polymeric materials are widely used for micro- and nano-electro-mechanical systems. In particular, numerous recent applications concern energy harvesting.
De Lorenzis, Laura   +3 more
core  

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