Results 1 to 10 of about 6,148,141 (283)
Progress in engineering high strain lead-free piezoelectric ceramics
Environmental concerns are strongly driving the need to replace the lead-based piezoelectric materials currently employed as multilayer actuators. The current review describes both compositional and structural engineering approaches to achieve enhanced ...
Serhiy O Leontsev and Richard E Eitel
doaj
Enhanced ferroelectric and piezoelectric performance of (Ba0.85Ca0.15)(Zr0.1Ti0.9)O3 lead-free ceramics upon Ce and Sb co-doping. [PDF]
Zheng W, Lin J, Liu X, Yang W, Li Y.
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The compound [(Bi0.5Na0.5)0.94Ba0.06]1-xLixTiO3 (BNBT-Li) 0 ≤ x ≤ 0.04), was prepared using a solid-state reaction method. In the X-ray diffraction (XRD) study, a tetragonal structure was observed for the compositions x = 0 and steadily modified to a ...
Sapna Qazi +10 more
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Studies on structural, dielectric and optical properties of (Ba0.95Ca0.05)1-x (Ti0.8Sn0.2)1-x Na x Nb x O3 lead-free ceramics. [PDF]
Slimi H, Oueslati A, Aydi A.
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Over the years, lead‐based piezoelectric ceramics found extensive use in vital fields such as sensors and actuators. Despite their exceptional electromechanical properties, lead‐containing materials pose severe environmental risks and foster a new era of
Yanqi Wu +7 more
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Utilizing solid-phase sintering technology, lead-free piezoelectric ceramics (K0.44Na0.52Li0.04)(Nb0.9Ta0.06Sb0.04)O3 with high density and superior electrical properties were successfully fabricated at temperatures ranging from 1055 to 1070 ℃.
Lin WANG +3 more
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Observation of large electrocaloric properties in lead-free Ba0.98Ca0.02Ti0.98Sn0.02O3 ceramics
Tetragonal lead-free Ba0.98Ca0.02Ti0.98Sn0.02O3 (BCST) compound sintered at 1400 °C was investigated for its electrocaloric properties. The large adiabatic temperature variation, ΔT ∼ 0.476 K and isothermal entropy change, ΔS ∼ 1.90 J/kg.K were obtained ...
Ramovatar +5 more
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Transparent electro-optic ceramics: Processing, materials, and applications
Transparent electro-optic (EO) oxide ceramics are known for their rapid EO effects. EO ceramics have several advantages over single-crystals, including variable size and shape, controllable chemical composition, superior mechanical properties, and low ...
Iva Milisavljevic +4 more
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Via the method of cold sintering with post-annealing, the lead-free ceramics [Formula: see text][Formula: see text][Formula: see text]NbO3 were prepared.
Neng Qin +7 more
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Ferroelectric Polarization Dependent Piezoelectric Hardening in BiFeO3‐BaTiO3 Lead‐Free Ceramics
The relation between the improvement of mechanical quality factor (Qm) and internal electric field (Ei) generated during the aging process in lead‐free piezoelectric BiFeO3‐BaTiO3 ceramics is investigated for hard piezoelectric application of power ...
Myang Hwan Lee +7 more
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