Results 141 to 150 of about 684 (175)

ELECTROMECHANICAL CHARACTERIZATION OF LANTHANUM-DOPED SODIUM BISMUTH TITANATE CERAMICS

Modern Physics Letters B, 2006
The effect of lanthanum doping on the electromechanical properties of lanthanum-doped sodium bismuth titanate was studied. The ferroelectric system under investigation was Na 1/2( La x Bi 1-x)1/2 TiO 3 ceramics, with x=0, 0.1, 0.15 and 0.2. Admittance measurements were carried out in the frequency range of 100 Hz to 13 MHz and in the temperature range
Aparna, M., Raghavender, M., Prasad, G., Kumar, G. S.   +3 more
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Structural and electrical properties of bismuth magnesium titanate substituted lead-free sodium bismuth titanate ceramics

Journal of Materials Science: Materials in Electronics, 2016
Bismuth magnesium titanate substituted sodium bismuth titanate lead-free piezoceramics are synthesized by solid state reaction method up to x = 0.06 mole fraction. Samples are poled and influence of substitution on poled ceramics is studied. Dielectric, ferroelectric and piezoelectric properties are analyzed in relation with intrinsic parameters strain
D. E. Jain Ruth, M. Muneeswaran, N. V. Giridharan, B. Sundarakannan   +3 more
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Field-induced strain behavior for potassium sodium bismuth titanate ceramics

IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2007
Data are reported for the dielectric, piezoelectric, electrostrictive, and ferroelectric properties of potassium-substituted sodium bismuth titanate, [(K(x)Na(1-x))(0.5)Bi(0.5)]TiO3. For the morphotropic phase boundary composition x = 0.2, relaxor-type behavior was observed at room temperature with piezoelectric (effective d(333) = 325 x 10(-12) m/V ...
James F, Carroll, David A, Payne, Yuji, Noguchi, Masaru, Miyayama   +3 more
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Relaxor-ferroelectric transitions: Sodium bismuth titanate derivatives

MRS Bulletin, 2018
Abstract
Paterson, Alisa R., Nagata, Hajime, Tan, Xiaoli, Daniels, John E., Hinterstein, Manuel, Ranjan, Rajeev, Groszewicz, Pedro B., Jo, Wook, Jones, Jacob L.   +8 more
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Phase transitions and soft modes in sodium bismuth titanate

Ferroelectrics, 1985
Abstract The results of experimental studies of the crystal and domain structures of NaO, 5BiO, 5TiO3 as well as its lattice dynamics, dielectric, optical and other physical properties are considered. Nature of peculiar temperature points is discussed.
S. B. Vakhrushev, V. A. Isupov, B. E. Kvyatkovsky, N. M. Okuneva, I. P. Pronin, G. A. Smolensky, P. P. Syrnikov   +6 more
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SYNTHESIS AND CHARACTERIZATION OF LANTHANUM DOPED SODIUM BISMUTH TITANATE

Modern Physics Letters B, 2002
Impedance spectroscopic studies on polycrystalline sintered discs of lanthanum doped Na 1/2( La x Bi 1-x)1/2 TiO 3 ceramics with x = 0, 0.1, 0.15 and 0.2, have been carried out in the temperature region ranging from room temperature to 550°C and in the frequency range of 100 Hz to 1 MHz. Impedance data is presented in frequency explicit plots and Cole–
M. APARNA, T. BHIMASANKARAM, G. S. KUMAR, G. PRASAD   +3 more
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Optical properties of sodium bismuth titanate thin films

Ferroelectrics, 2017
ABSTRACTWe have investigated the optical and microwave dielectric properties of lead-free perovskite ferroelectric Na0.5Bi0.5TiO3 (NBT) thin films deposited on fused silica substrate using pulsed laser deposition at different substrate temperatures.
Andrews Joseph, Sivanagi Reddy Emani, K. C. James Raju   +2 more
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Substitutional effect of bismuth ferrite on the electrical properties of sodium bismuth titanate ceramics

Journal of Materials Science: Materials in Electronics, 2015
Lead free sodium bismuth titanate ceramics was substituted with bismuth ferrite in low mole fraction and the influence of substitution on the dielectric constant, Curie temperature, depolarization temperature, remnant polarization, coercive field and piezoelectric coefficient were studied. Rhombohedral R3c symmetry is maintained for all mole fractions.
D. E. Jain Ruth, S. M. Abdul Kader, M. Muneeswaran, N. V. Giridharan, D. Pathinettam Padiyan, B. Sundarakannan   +5 more
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Structural Optimization of Bismuth Sodium Titanate Thin Films

Ferroelectrics, 2015
Lead-free ferroelectric oxide materials have attracted considerable attention from the environmental viewpoint. Among lead-free piezoelectric materials, bismuth sodium titanate (Bi0:5Na0:5TiO3) is considered to be one of the excellent candidates.
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Defect Chemistry of Sodium Bismuth Titanate and its Solid Solutions

2020
In this work, the perovskite structured system Na0.5Bi0.5TiO3 (NBT) and its solid solutions (1-x)(Na0.5Bi0.5TiO3)-xBaTiO3 (NBT-BT), (1-x)(Na0.5Bi0.5TiO3)-xSrTiO3 (NBT-ST) and [(1-x)(1-y)(Na0.5Bi0.5TiO3)-yBaTiO3)]-xCaZrO3 (NBT-BT-CZ) have been investigated. In detail, the impact of A-site non-stoichiometry and B-site doping on the electrical, dielectric,
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