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RESEARCH PRODUCT
Uniaxial Pressure Effect on Electric Properties of PSN and 0.95PSN-0.05PLuN Ceramics
A. StenbergBarbara Garbarz-glosL. ShebanovsMaruta DambekalneJan SuchaniczW. SmigaCz. KusK. KoniecznyG. Stopasubject
PermittivityStress (mechanics)Condensed Matter::Materials SciencePhase transitionCharge orderingHysteresisMaterials scienceCondensed matter physicsPhase (waves)DielectricCondensed Matter PhysicsElectronic Optical and Magnetic MaterialsPyroelectricitydescription
The dielectric, pyroelectric and hysteresis loops measurements of PSN and 0.95PSN-0.05PLuN ceramics stress-free and under the stress (0–1.5 kbar) have been carried out. It was shown that axial pressure seems to change the partially ordered state to a disordered one, shifts the phase transformation and decreases the thermal hysteresis of the dielectric permittivity and the field-polarization hysteresis. These effects can be connected with change in domain structure, inter-ionic distances and defect density under the action of uniaxial pressure. The thermodynamic parameters of the phase transition were also determined.
year | journal | country | edition | language |
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2006-06-01 | Ferroelectrics |