Results 1 to 10 of about 729 (174)

High strain lead-free piezo ceramics for sensor and actuator applications: A review

open access: yesSensors International, 2023
High strain piezoceramics are required for various sensor and actuator applications such as opening and closing of valves in fuel injector systems, for controlled flow of fuel in automobiles, applications for micro-propulsion in satellites, and other ...
P.K. Panda, B. Sahoo, T.S. Thejas
doaj   +1 more source

Study on vibrational Raman modes and electric properties of lead-free sodium bismuth titanate – bismuth magnesium zirconate piezoelectric ceramics

open access: yesChemical Physics Impact, 2023
Raman spectra of lead- free piezoelectric sodium bismuth titanate-bismuth magnesium zirconate (1-x)(Na0.5Bi0.5)TiO3-xBi(Mg0.5Zr0.5)O3 [NBT-BMZ] ceramics are recorded and analyzed.
D.E. Jain Ruth
doaj   +1 more source

Lead-free piezoelectric materials and ultrasonic transducers for medical imaging [PDF]

open access: yesJournal of Advanced Dielectrics, 2015
Piezoelectric materials have been vastly used in ultrasonic transducers for medical imaging. In this paper, firstly, the most promising lead-free compositions with perovskite structure for medical imaging applications have been reviewed.
Elaheh Taghaddos   +2 more
doaj   +1 more source

Impact of process conditions on chemical solution deposited BNKT thin film electromechanical properties

open access: yesSN Applied Sciences, 2021
Phase pure perovskite (1-x)Bi1/2Na1/2TiO3 – xBi1/2K1/2TiO3 (BNKT) thin films were successfully prepared via an inverse mixing order chemical solution deposition method and the impact of process conditions on film properties were observed.
Kyle M. Grove   +5 more
doaj   +1 more source

B-site substituted solid solutions on the base of sodium-bismuth titanate [PDF]

open access: yesJournal of Advanced Dielectrics, 2016
The paper presents results of studies of the formation of phases during the solid-state synthesis in the [(Na0.5Bi0.5)0.80Ba0.20](Ti1–yBy)O3 system of solid solutions with B-site substitutions.
V. M. Ishchuk   +5 more
doaj   +1 more source

Lead‐free versus PZT: Acoustic characterization of ultrasonic immersion transducers fabricated with lead‐free NBT‐BT piezoceramic

open access: yesThe Journal of Engineering, 2023
An evaluation of the performance of a recently developed formulation of (lead‐free) Sodium‐Bismuth titanate – Barium Titanate (NBT‐BT) piezoceramic is presented through the construction and testing of several immersion transducers based around a new ...
Thomas R. P. Kelley
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

Phase evolution in (1−x)(Na0.5Bi0.5)TiO3-xSrTiO3 solid solutions: A study focusing on dielectric and ferroelectric characteristics

open access: yesJournal of Materiomics, 2020
In the present work, the nature of phase evolution of (1−x)(Na0.5Bi0.5)TiO3-xSrTiO3 (NBT-xST) solid solutions with x of 0–0.6 is revealed by characterizing the dielectric and ferroelectric properties.
Gang Liu   +5 more
doaj   +1 more source

Orientation dependence on piezoresponse of lead-free piezoelectric sodium bismuth titanate epitaxial thin films

open access: yesJournal of Advanced Dielectrics, 2023
Lead-free piezoelectric sodium bismuth titanate (([Formula: see text][Formula: see text])TiO3, BNT) thin films were epitaxially grown onto (001)-, (110)-, and (111)-oriented Nb:SrTiO3 (STO) single crystal substrates prepared by sol–gel processing. Highly
Jinyan Zhao   +5 more
doaj   +1 more source

Impact of Thermal Treatment on the Surface of Na0.5Bi0.5TiO3-Based Ceramics

open access: yesCrystals, 2021
Thermal etching is a widely accepted surface treatment method for studying microstructure in Na0.5Bi0.5TiO3-based compositions. Surprisingly, besides the flat pattern of grains (suitable for evaluating ceramics’ microstructure), images illustrating well ...
Liga Bikse   +7 more
doaj   +1 more source

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