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Effect of substitution of Dy3+ on dielectric constant and reliability of anti-ferroelectric PLZT
The study aimed to investigate the impact of oxygen vacancies on the reliability of perovskite-structured ceramics. In particular, the focus was on...
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Effect of oxygen vacancies on dielectric property and reliability of anti-ferroelectric PLZT applicable to EV-MLCC
A study on anti-ferroelectric (PbLa)(ZrTi)O 3 (PLZT) for electric vehicles (EV) applicable to DC-link was conducted. Multilayer ceramic capacitors...
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Effect of Mn Substitution on the Dielectric Constant and Breakdown Voltage of Anti-ferroelectric PLZT
Anti-ferroelectric (PbLa)(ZrTi)O 3 (PLZT) is a promising material for use in multilayer ceramic capacitors (MLCCs) for electric vehicles, as its...
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Oxygen vacancies-related high-temperature dielectric relaxation and pyroelectric energy harvesting in lead-free Ba(Zr0.2Ti0.8)O3 ceramics
Ba (Zr 0.2 Ti 0.8 ) O 3 ceramics were prepared by a sol–gel process. Temperature-dependent dielectric permittivity ε γ and loss tanδ were investigated with...
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Enhanced electrocaloric effect at room temperature in Mn2+ doped lead-free (BaSr)TiO3 ceramics via a direct measurement
(Ba 1− x Sr x )(Mn y Ti 1− y )O 3 (BSMT) ceramics with x = 35, 40 mol% and y = 0, 0.1, 0.2, 0.3, 0.4, 0.5 mol% were prepared using a conventional solid-state...
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Nonlinearities in ferroelectric, piezoelectric, and dielectric behavior of Hf incorporated BaTiO3 nontoxic electroceramics
We report the structural, ferroelectric, piezoelectric, and dielectric properties of BaTi 1− x Hf x O 3 ( x = 0, 0.04, 0.08) abbreviated as BT, BHT 1, and...
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Structural, dielectric, and electrical characteristics of selenium-modified BiFeO3–(BaSr)TiO3 ceramics
The selenium (Se)-modified 0.5BiFeO 3 –0.5(BaSr)TiO 3 was synthesized employing a high-temperature solid-state technique. Structural analysis (through...
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Phase tuning in lanthanum doped lead zirconate titanate near morphotropic phase boundary using chemical co-precipitation route and their dielectric properties
Lanthanum doped PZT namely Pb 1−x La x Zr 0.6 Ti 0.4 O 3 x = 0.06, 0.07 and 0.08 (PLZT) were prepared by chemical co-precipitation method. The X-ray...
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Introduction
Transparent materials form a special group of materials that have a wide range of applications in various aspects of our daily life. Transparency,...
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Structural, Dielectric, and Electrical Properties of BiFeWO6 Ceramic
A polycrystalline sample of BiFeWO 6 was synthesized using a high-temperature solid-state reaction method. The formation of the single-phase compound...
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Effect of Sm3+ ions on structural, dielectric, and electrical properties of Pb(SnTi)O3 ceramics
Powders and pellets of (Pb 1− x Sm x )(Sn y Ti 1− y ) 1− x /4 O 3 (PSmST) ferroelectric ceramics with x=0, 0.05, 0.07, 0.1 and y=0.45 have been synthesized...
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Ferroelectric phase transition in sol-gel derived Bi-doped PLZT ceramics
Polycrystalline samples of Bi-modified PLZT, [Pb 0.92 (La 1−z Bi z ) 0.08 ][Zr 0.60 Ti 0.40 ] 0.98 O 3 (abbreviated as PLBZT) for z = 0.0, 0.3, 0.6, 0.9 and 1 were...
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Structural, dielectric and electrical properties of ACu3Ti4O12 (A = Ca, Sr and Ba)
Polycrystalline compounds of a general formula ACu 3 Ti 4 O 12 (A = Ca, Sr, Ba) were synthesized by a high-temperature solid-state reaction technique....
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The perovskite structure – a review of its role in ceramic science and technology
Starting with the history of the fundamental science of the relation of structure to composition delineated completely by Goldschmidt, we use the...
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Structural and dielectric properties of Pb0.91(La,K)0.09(Zr0.65Ti0.35)0.9775O3 ceramics
Potassium-modified polycrystalline samples of PLZT, Pb 0.91 (La 1 − z/3 K z ) 0.09 (Zr 0.65 Ti 0.35 ) 0.9775 O 3 [z = 0.0, 0.1, 0.3, 0.5, 0.7], were prepared using...
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Time dependence of dielectric constants of Pb(Mg1/3Nb2/3)O3-BaTiO3-PbTiO3 ferroelectric ceramics for X7R MLCs
The isothermal ageing behaviour of Pb(Mg 1/3 Nb 2/3 )O 3 -BaTiO 3 -PbTiO 3 ceramics, promising high dielectric (ε 25°C = 4574) materials for X7R multilayer...
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Photorefractive Sol-Gel Materials
We report the synthesis and characterization of photorefractive sol-gel materials that possess covalently attached push-pull azobenzene and carbazole...
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High-resolution electron microscope study of the ordered lead-calcium titanate ceramics
High-resolution electron microscopy (HREM) has been used to demonstrate the structural characteristics of ordered (Pb 0.5 Ca 0.5 ) TiO 3 . The fine...