Results 171 to 180 of about 21,916 (214)
Cycling stability of lead-free BNT–8BT and BNT–6BT–3KNN multilayer actuators and bulk ceramics
Journal of the European Ceramic Society, 2014 This study presents the electromechanical properties and cycling stability of lead-free piezoelectric materials 0.92(Bi1/2Na1/2)TiO3–0.08BaTiO3 (BNT–8BT) and 0.91(Bi1/2Na1/2)TiO3–0.06BaTiO3–0.03(K0.5Na0.5)NbO3 (BNT–6BT–3KNN). Both bulk samples as well as multilayer actuators (MLA) with internal Ag/Pd (70/30) electrodes were successfully processed from ...
Sapper, Eva +5 more
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Synthesis and characterization of BNT thin films
, 2014 Polycrystalline piezoelectric lead-free Bi0.5Na0.5TiO3 (abbreviated as BNT) thin films were deposited on glass substrates by an optimized Sol-Gel process using the Electrospray technique. X-ray Diffraction (XRD) analysis showed that after heating the films at 650˚C for 1 hour, dense and well crystallized BNT films in the rhombohedral perovskite phase ...
Abou Dargham, Sara +6 more
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Boston Naming Test with Latencies (BNT-L) [PDF]
, 2007 Although most people have experienced word-finding difficulty at one time or another, there are no clinical instruments able to reliably distinguish normal age-related effects from pathology in word-finding impairment. Two experiments were conducted to establish a modified version of the Boston Naming Test (BNT) that includes latency times, the Boston ...
Budd, Margaret Anne
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Phase development and dielectric responses in PMN–BNT ceramics
Ceramics International, 2010Abstract (1 − x )Pb(Mg 1/3 Nb 2/3 )O 3 – x (Bi 0.5 Na 0.5 )TiO 3 ceramics were prepared by the conventional mixed-oxide method. All compositions show complete perovskite solid solutions and the structure to change from cubic to rhombohedral at x = 0.5.
N Jaitanong, Arnon Chaipanich
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Clinical Chemistry, 2023
Abstract Background The differential immune responses after two additional BNT162b2 (BNT) doses between ChAdOx1 nCoV-10 (ChAd)-primed and BNT-primed groups have not been elucidated. The aim of this study was to compare vaccine-induced humoral and cellular immune responses and evaluate breakthrough ...
H Kang +9 more
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Abstract Background The differential immune responses after two additional BNT162b2 (BNT) doses between ChAdOx1 nCoV-10 (ChAd)-primed and BNT-primed groups have not been elucidated. The aim of this study was to compare vaccine-induced humoral and cellular immune responses and evaluate breakthrough ...
H Kang +9 more
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Materials Science Forum, 2023
The goal of this study was to investigate the effect of varied proportions of silica/M-BNT/BNT on the curing properties of natural rubber (NR) composites. Thirteen ternary-filled NR composites and a control sample were prepared in this study based on a third degree – simplex lattice mixture design of experiment.
Clare L. Garing +2 more
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The goal of this study was to investigate the effect of varied proportions of silica/M-BNT/BNT on the curing properties of natural rubber (NR) composites. Thirteen ternary-filled NR composites and a control sample were prepared in this study based on a third degree – simplex lattice mixture design of experiment.
Clare L. Garing +2 more
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BNT ceramics synthesis and characterization
Materials Science and Engineering: B, 2004Abstract Investigations on barium neodymium titanate (BNT) prepared by solid state reaction techniques are presented in this paper. The samples were sintered at temperatures, T s , in a range 1200–1300 °C. High density values and adequate microwave parameters were obtained by adding 0.5 mol PbO substitutional for BaO.
A. Ioachim +7 more
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Ceramics International, 2015
Abstract Dielectric and ferroelectric properties of 0.93Bi 0.5 Na 0.5 TiO 3 –0.07BaTiO 3 (BNT–BT) and 0.93Bi 0.5 Na 0.5 TiO 3 –0.06BaTiO 3 –0.01K 0.5 Na 0.5 NbO 3 (BNT–BT–KNN) ceramics were studied in detail. An XRD analysis confirmed the single perovskite phase formation in both the samples. Room temperature (RT) dielectric constant ( e r ) ~1020
M. Chandrasekhar, P. Kumar
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Abstract Dielectric and ferroelectric properties of 0.93Bi 0.5 Na 0.5 TiO 3 –0.07BaTiO 3 (BNT–BT) and 0.93Bi 0.5 Na 0.5 TiO 3 –0.06BaTiO 3 –0.01K 0.5 Na 0.5 NbO 3 (BNT–BT–KNN) ceramics were studied in detail. An XRD analysis confirmed the single perovskite phase formation in both the samples. Room temperature (RT) dielectric constant ( e r ) ~1020
M. Chandrasekhar, P. Kumar
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Journal of Alloys and Compounds, 2011
Abstract In this work, bismuth sodium titanate (Bi0.5Na0.5)TiO3 (BNT) and praseodymium (Pr)-doped BNT were successfully produced using the soft combustion technique. The effects of Pr doping on stoichiometry, microstructure, density and dielectric properties were studied.
Khairunisak Abdul Razak +2 more
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Abstract In this work, bismuth sodium titanate (Bi0.5Na0.5)TiO3 (BNT) and praseodymium (Pr)-doped BNT were successfully produced using the soft combustion technique. The effects of Pr doping on stoichiometry, microstructure, density and dielectric properties were studied.
Khairunisak Abdul Razak +2 more
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Giant magnetocapacitance in magnetoelectric BNT/NFO particulate composites
Journal of Materials Science: Materials in Electronics, 2021Bi0.5Na0.5TiO3 (BNT) and NiFe2O4 (NFO) ceramics were synthesized using the sol–gel method. Further, a series of (1−x)BNT–xNFO (x = 0, 0.05, 0.10, 0.15, 0.20, 0.25, 0.25, 0.30, 1) magnetoelectric (ME) composites were prepared by microwave sintering. The composites phase purity and microstructure were investigated through X-ray diffraction and scanning ...
Parminder Singh +3 more
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