Search results for "Sodium bismuth titanate"

showing 4 items of 4 documents

Electromechanical properties of Na 0.5 Bi 0.5 TiO 3 -SrTiO 3 -PbTiO 3 solid solutions

2018

Abstract Thorough studies of electric field-induced strain are presented in 0.4Na1/2Bi1/2TiO3-(0.6-x)SrTiO3-xPbTiO3 (NBT-ST-PT) ternary solid solutions. The increase of concentration of lead x induces crossover from relaxor to ferroelectric. Strain in a relaxor state can be described by electrostrictive behavior. The electrostrictive coefficients correspond to other well-known relaxor ferroelectrics. The concentration region with a stable ferroelectric phase revealed that the polarization dependence of strain does not exhibit nonlinearity, although they are inherent to the electric field dependence of strain. In this case, electric field dependence of strain is described in terms of the Ray…

010302 applied physicsPhase transitionMaterials scienceElectrostrictionCondensed matter physicsRayleigh law02 engineering and technologyGeneral Chemistry021001 nanoscience & nanotechnologyCondensed Matter Physics01 natural sciencesFerroelectricitySodium bismuth titanatechemistry.chemical_compoundsymbols.namesakeDomain wall (magnetism)chemistryElectric fieldPhase (matter)0103 physical sciencessymbolsGeneral Materials Science0210 nano-technologyJournal of Physics and Chemistry of Solids
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Impact of Thermal Treatment on the Surface of Na0.5Bi0.5TiO3-Based Ceramics

2021

This research was funded by the European Regional Development Fund, grant number 1.1.1.2/VIAA/3/19/558. The Institute of Solid State Physics, University of Latvia as the Center of Excellence has received funding from the European Union’s Horizon 2020 Framework Programme, grant number 739508.

CeramicsMaterials scienceGeneral Chemical EngineeringmicrostructureEvaporation02 engineering and technologyThermal treatmentceramicsSodium bismuth titanate010402 general chemistry01 natural sciencesInorganic Chemistrychemistry.chemical_compoundEtchingThermaletchingGeneral Materials ScienceThermal treatmentCeramicComposite materialMicrostructureCrystallography021001 nanoscience & nanotechnologyCondensed Matter PhysicsMicrostructure0104 chemical sciencesSodium bismuth titanatechemistryEtchingQD901-999visual_artParticle-size distributionvisual_art.visual_art_mediumsodium bismuth titanate:NATURAL SCIENCES [Research Subject Categories]0210 nano-technologythermal treatmentCrystals
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Electrocaloric Effect in (1−x)(0.8Na0.5Bi0.5TiO3-0.2BaTiO3)−xCaTiO3 Solid Solutions at High Electric Fields

2022

This research was funded by the Latvian Science Council Fund, grant number lzp-2020/2-0080. The Institute of Solid State Physics, University of Latvia as the Center of Excellence has received funding from the European Union’s Horizon 2020 Framework Programme, grant number 739508.

Inorganic ChemistryElectrocaloric effectPhase transitionsMaxwell relationGeneral Chemical Engineering:NATURAL SCIENCES [Research Subject Categories]Dielectric polarizationGeneral Materials ScienceSodium bismuth titanateCondensed Matter Physicssodium bismuth titanate; solid solutions; electrocaloric effect; dielectric polarization; phase transitions; Maxwell relationSolid solutionsCrystals
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Thermo-Optical Investigation of Sodium-Bismuth Titanate Single Crystal and PLZT Ceramics

2005

Thermal lensing in relaxor type ferroelectrics as a function of temperature has been investigated by using pulse/probe method. Enhanced thermo-optical (TO) properties had been observed in 3d elements (Cu, Co) doped PLZT ceramics and in sodium-bismuth titanate single crystals near phase transitions (PT). Comparison of TO signals for several doped PLZT materials reveals that 0.5 wt.% Cu doping is responsible for improved thermal lensing parameters interpreted by optimal light absorption, heat transfer and possible PT adjustment. TO experiments in sodium-bismuth titanate single crystals ([001] cut) show enhancement of TO properties in the region of PT and coexisting phases (rhombohedral and te…

Phase transitionMaterials scienceDopingAnalytical chemistryCondensed Matter PhysicsTitanateElectronic Optical and Magnetic MaterialsSodium bismuth titanatechemistry.chemical_compoundTetragonal crystal systemchemistryvisual_artHeat transfervisual_art.visual_art_mediumCeramicSingle crystalFerroelectrics
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