Results 81 to 90 of about 147,946 (200)

High Temperature, High Power Piezoelectric Composite Transducers

open access: yesSensors, 2014
Piezoelectric composites are a class of functional materials consisting of piezoelectric active materials and non-piezoelectric passive polymers, mechanically attached together to form different connectivities.
Hyeong Jae Lee   +3 more
doaj   +1 more source

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

open access: yesJournal 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   +4 more
doaj   +1 more source

The Growth and Properties of Lead-Free Ferroelectric Single Crystals

open access: yesCrystals, 2015
Much attention is drawn to the preparation, structure and properties investigation of lead-free ferroelectrics for the next generation of piezoelectric devices.
Xiaobing Li   +6 more
doaj   +1 more source

Performance of transducers with segmented piezoelectric stacks using materials with high electromechanical coupling coefficient

open access: yes, 2013
Underwater acoustic transducers often include a stack of thickness polarized piezoelectric material pieces of alternating polarity interspersed with electrodes, bonded together and electrically connected in parallel.
Markley, Douglas C.   +2 more
core   +1 more source

Ultrasonic Guided Waves in Piezoelectric Layered Composite with Different Interfacial Properties

open access: yesAdvances in Materials Science and Engineering, 2011
Combining the propagation model of guided waves in a multilayered piezoelectric composite with the interfacial model of rigid, slip, and weak interfaces, the generalized dispersion characteristic equations of guided waves propagating in a piezoelectric ...
Xiao Chen
doaj   +1 more source

Systematic treatment of displacements, strains and electric fields in density-functional perturbation theory

open access: yes, 2005
The methods of density-functional perturbation theory may be used to calculate various physical response properties of insulating crystals including elastic, dielectric, Born charge, and piezoelectric tensors.
A. W. Hewat   +7 more
core   +1 more source

The potential of organic piezoelectric materials for next-generation implantable biomedical devices

open access: yesNano Trends
Piezoelectricity or piezoelectric effect is a phenomenon by which mechanical energy is converted into electrical energy and vice versa. Piezoelectric effect has been observed in several organic materials.
Arshad Khan   +6 more
doaj   +1 more source

Additively manufactured flexible piezoelectric lead zirconate titanate-nanocellulose films with outstanding mechanical strength, dielectric and piezoelectric properties

open access: yesMaterials Today Advances
Nanocellulose (NC)-based piezoelectric films prepared via solution casting show low mechanical, dielectric, and piezoelectric performance due to the randomly oriented cellulose nanofibers and dispersion of piezoelectric domains. Moreover, a high electric
Muhammad Latif   +2 more
doaj   +1 more source

Properties of Synthetic Piezoelectric Crystals [PDF]

open access: yesNature, 1958
Piezoelectricity (General Post Office: Selected Engineering Reports.) Pp. x + 369. (London: H.M. Stationery Office, 1957.) 75s. net.
openaire   +1 more source

A solid state acoustic variable time delay line Patent [PDF]

open access: yes, 1971
Development and characteristics of solid state acoustic variable time delay line using direct current voltage and radio frequency ...
Fitzgerald, T. M.
core   +1 more source

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