Results 51 to 60 of about 82,374 (198)

Designing high piezoelectric properties at the BaTiO3–PbZrO3–PbTiO3 phase boundary by Landau–Devonshire theory

Journal of Advanced Dielectrics
Ferroelectric materials possessing exceptional piezoelectric attributes have garnered widespread utilization in various applications. Solid solution systems improve piezoelectric properties through multiphase mixing, but the methodologies for effective ...
Yu Song, Xiaoming Shi, Dan Li, Jing Wang, Houbing Huang   +4 more
doaj   +1 more source

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

, 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., Alling, Björn, Birch, Jens, Hultman, Lars, Höglund, Carina, Tasnádi, Ferenc, Wingqvist, Gunilla   +6 more
core   +1 more source

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

, 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

Balancing the piezoelectric coefficient and carrier concentration of Bi2WO6−x for ultrahigh piezocatalysis

Journal of Advanced Ceramics
Balancing the piezoelectric coefficient and carrier concentration of materials is key in the field of piezocatalysis. In this work, Bi2WO6 material with both piezoelectric and semiconductor properties was chosen as a model material.
Ying Wang, Xiaoli Xu, Lingbo Xiao, Lutao Li, Qiuhua Xu, Zhenhai Wen, Laishun Qin, Yanmin Jia, Dong-Liang Peng, Wanping Chen, Da Chen   +10 more
doaj   +1 more source

Piezoelectricity of lead-free hybrid perovskite monolayer (ATHP)2XY4 (X = Ge, Sn; Y = Cl, Br, I): Cross-scale calculation and simulation

AIP Advances
Two-dimensional (2D) piezoelectric material is the core part of all kinds of micro-piezoelectric devices (piezoelectric energy harvesters, piezoelectric sensors, etc.).
Jian Qiu, Dongling Li, Quan Wen
doaj   +1 more source

Bubble Electret-Elastomer Piezoelectric Transducer

Energies, 2020
Ferroelectret-based piezoelectric transducers are, nowadays, commonly used in energy harvesting applications due to their high piezoelectric activity. Unfortunately, the processing properties of such materials are limited, and new solutions are sought ...
Ryszard Kacprzyk, Agnieszka Mirkowska
doaj   +1 more source

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

, 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, B. Noheda, B. Noheda, D. Berlincourt, D. Vanderbilt, D. Vanderbilt, David Vanderbilt, F. Bernardini, H. Fu, J. Íñiguez, Jorge Íñiguez, L. Bellaiche, L. Bellaiche, L. Bellaiche, L. Bellaiche, M. Fornari, M. Posternak, N.A. Hill, N.J. Ramer, R.D. King-Smith, R.D. King-Smith, R.D. Shannon, R.E. Cohen, R.E. Eitel, R.E. Eitel, S.-E. Park, T. Egami, Z. Wu   +27 more
core   +1 more source

Analysis on Coupled Vibration of a Radially Polarized Piezoelectric Cylindrical Transducer

Sensors, 2017
Coupled vibration of a radially polarized piezoelectric cylindrical transducer is analyzed with the mechanical coupling coefficient method. The method has been utilized to analyze the metal cylindrical transducer and the axially polarized piezoelectric ...
Jie Xu, Shuyu Lin, Yan Ma, Yifan Tang
doaj   +1 more source

Study on properties of tantalum-doped La2Ti2O7 ferroelectric ceramics [PDF]

Journal of Advanced Dielectrics, 2015
A series of ceramics with a general formula, La2Ti2-xTaxO7, in which x = 0.05, 0.1, 0.2, and 0.3, were prepared by Spark Plasma Sintering (SPS). Effects of tantalum substitution for titanium on the structure, dielectric, and piezoelectric properties were
Chunchun Li, Jibran Khaliq, Huanpo Ning, Xiaoyong Wei, Haixue Yan, Michael J. Reece   +5 more
doaj   +1 more source

Enhancement of piezoelectricity in a mixed ferroelectric

, 1997
We use first-principles density-functional total energy and polarization calculations to calculate the piezoelectric tensor at zero temperature for both cubic and simple tetragonal ordered supercells of Pb_3GeTe_4.
A. Dal Corso, D. J. Singh, E. Cockayne, Eric Cockayne, G. B. Bachelet, G. Lucovsky, K. M. Rabe, K. M. Rabe, Karin M. Rabe, P. B. Littlewood, R. D. King-Smith, R. E. Cohen, S. Baroni, S. de Gironcoli, S. Takaoka, T. Suski, X. Gonze, Yu. A. Logachev   +17 more
core   +1 more source