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RESEARCH PRODUCT
Crystal growth and hysteresis phenomena of rubidium tetrachlorozincate Rb2ZnCl4
Václav JanovecB. JannotG. GodefroyC. Dumassubject
PermittivityPhase transitionMaterials scienceCondensed matter physicsPhysics::OpticsCrystal growthDielectricCondensed Matter PhysicsFerroelectricityElectronic Optical and Magnetic MaterialsCondensed Matter::Materials ScienceHysteresisDifferential scanning calorimetryCondensed Matter::SuperconductivityPhase (matter)description
Abstract Phase transitions in Rb2ZnCl4 crystals grown by various methods are examined with differential scanning calorimetry and dielectric measurements. For most of the studied samples the permittivity along the ferroelectric axis shows a large thermal hysteresis over a wide temperature range including the incommensurate phase and the lock-in point. This hysteresis depends on the presence of different defects which appear during crystal growth or after a thermal and mechanical treatment. It is shown that dielectric measurements are quite well suited to characterize the crystals exhibiting on incommensurate phase and a ferroelectric phase.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1988-11-01 | Ferroelectrics |