Publication | Closed Access
Anomalous Increase of Dielectric Permittivity in Sr-Doped CCTO Ceramics Ca<sub>1−<i>x</i></sub>Sr<sub><i>x</i></sub>Cu<sub>3</sub>Ti<sub>4</sub>O<sub>12</sub> (0 ≤<i>x</i> ≤ 0.2)
70
Citations
19
References
2009
Year
Materials ScienceAlternative MechanismEngineeringFerroelectric ApplicationCeramic MaterialEnergy CeramicCondensed Matter PhysicsSuperconductivityCeramics MaterialsApplied PhysicsPermittivity IncreaseFunctional CeramicMicrowave CeramicDielectric PermittivityAnomalous IncreaseElectrical PropertiesPartial Substitution
Partial substitution of Ca with Sr in high permittivity Ca1−xSrxCu3Ti4O12 ceramics can lead to an anomalous increase in intrinsic bulk dielectric permittivity. The similar electron configuration of Ca and Sr excludes electronic structure variations as a source of this permittivity increase, and thus an alternative mechanism must exist.
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