Results 11 to 20 of about 99,429 (270)

Bifurcated polarization rotation in bismuth-based piezoelectrics [PDF]

open access: yes, 1999
ABO3 perovskite-type solid solutions display a large variety of structural and physical properties, which can be tuned by chemical composition or external parameters such as temperature, pressure, strain, electric, or magnetic fields.
A Tarantola   +10 more
core   +4 more sources

Improved prediction for failure time of multilayer ceramic capacitors (MLCCs): A physics-based machine learning approach

open access: yesAPL Machine Learning, 2023
Multilayer ceramic capacitors (MLCC) play a vital role in electronic systems, and their reliability is of critical importance. The ongoing advancement in MLCC manufacturing has improved capacitive volumetric density for both low and high voltage devices;
Pedram Yousefian   +3 more
doaj   +1 more source

Vibration analysis of a composite magnetoelectroelastic bimorph depending on the volume fractions of its components based on applied theory

open access: yesAdvanced Engineering Research, 2022
Introduction. Transverse vibrations of a bimorph consisting of two piezomagnetoelectric layers and located in the alternating magnetic field are investigated.
A. N. Soloviev   +4 more
doaj   +1 more source

Cold Sintering of PZT 2-2 Composites for High Frequency Ultrasound Transducer Arrays

open access: yesActuators, 2021
Medical ultrasound and other devices that require transducer arrays are difficult to manufacture, particularly for high frequency devices (>30 MHz). To enable focusing and beam steering, it is necessary to reduce the center-to-center element spacing to ...
Shruti Gupta   +6 more
doaj   +1 more source

BiFeO3-BaTiO3: A new generation of lead-free electroceramics [PDF]

open access: yesJournal of Advanced Dielectrics, 2018
Lead-based electroceramics such as Pb(Zr.Ti)O3 (PZT) and its derivatives have excellent piezoelectric, pyroelectric and energy storage properties and can be used in a wide range of applications.
Dawei Wang   +8 more
doaj   +1 more source

Base Metal Co-Fired Multilayer Piezoelectrics

open access: yesActuators, 2016
Piezoelectrics have been widely used in different kinds of applications, from the automobile industry to consumer electronics. The novel multilayer piezoelectrics, which are inspired by multilayer ceramic capacitors, not only minimize the size of the ...
Lisheng Gao   +3 more
doaj   +1 more source

Impact of laser pulse repetition frequency on nucleation and growth of LiNbO thin films

open access: yesJournal of Advanced Dielectrics, 2022
This paper reports the impact of the laser pulse repetition frequency on growth processes, morphological and electro-physical parameters of nanocrystalline LiNbO3 thin films obtained by the pulsed laser deposition technique.
Z. Vakulov   +6 more
doaj   +1 more source

Relaxor Phase Evolution of (Bi0.5Na0.5-xKx)TiO3 Ceramics due to K Ion Substitution and Their Corresponding Electrical Properties

open access: yesEnergies, 2020
We synthesized lead-free piezoelectric (Bi0.5Na0.5-xKx)TiO3 (BNKT) ceramics using a conventional solid-state reaction method. We have investigated the structural and electrical properties of the materials with x = 0.05 to 0.40. The X-ray diffraction (XRD)
Sam Yeon Cho   +10 more
doaj   +1 more source

Revised structural phase diagram of (Ba0.7Ca0.3TiO3)-(BaZr0.2Ti0.8O3) [PDF]

open access: yes, 2013
The temperature-composition phase diagram of barium calcium titanate zirconate (x(Ba0.7Ca0.3TiO3)(1-x)(BaZr0.2Ti0.8O3); BCTZ) has been reinvestigated using high-resolution synchrotron x-ray powder diffraction.
Dean S. Keeble   +6 more
core   +3 more sources

Polymorphic phase boundary in piezoelectric oxides [PDF]

open access: yes, 2020
The design of phase boundaries has now become a consolidated strategy to improve the functional properties of piezoelectric oxides because of the unique properties that may be obtained in their vicinity. In particular, polymorphic phase boundaries (PPBs)
García García, José Eduardo   +1 more
core   +1 more source

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