6533b830fe1ef96bd12972e9
RESEARCH PRODUCT
Polar relaxation mode in pure and iron-doped barium titanate
Mario MaglioneU. T. HöchliRoland BöhmerAlois Loidlsubject
chemistry.chemical_classificationMaterials scienceTransition temperatureDopingDielectric530Condensed Matter::Materials ScienceCrystallographychemistry.chemical_compoundTetragonal crystal systemchemistryPhase (matter)Barium titanateRelaxation (physics)Inorganic compounddescription
A dielectric relaxation peak is reported in ${\mathrm{BaTiO}}_{3}$ and in ${\mathrm{BaTi}}_{1\mathrm{\ensuremath{-}}\mathrm{x}}$${\mathrm{Fe}}_{\mathrm{x}}$${\mathrm{O}}_{3}$. It is nearly monodispersive, centered in the ${10}^{8}$-Hz range, and slowest at the transition temperature ${T}_{c}$\ensuremath{\simeq}413 K from the cubic to the tetragonal phase. Iron doping lowers ${T}_{c}$ and slows down this relaxation mode.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1989-12-01 |