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Meeting Materials Science & Technology 2020
Symposium Advances in Dielectric Materials and Electronic Devices
Presentation Title Investigation of Relaxor-like Ferroelectrics in [Sc, Ta] Dipole-pair Substituted BaTiO<sub>3</sub> Ceramics
Author(s) Benjamin N. Conley, Victoria R. Pellegrino, Wesley D. Senn, William J. Hogan, Kaijie Ning, Holly Shulman, Steven M. Pilgrim, Walter A. Schulze, Steven C. Tidrow
On-Site Speaker (Planned) Victoria R. Pellegrino
Abstract Scope Electronic devices like capacitors, sensors, transducers, filters, resonators, actuators, etc. can be made more robust and efficient using enhanced relaxor and relaxor-like ferroelectric material properties. Previous material studies based on morphotropic phase boundary (MPB) and polymorphic phase boundary (PPB) have yielded classic relaxor materials, including PMN-PT; however for environmental reasons, Pb based materials need be replaced without reducing a possibly enhancing device properties. Dilute, low concentration, dipole-pair engineering is becoming a novel route for designing relaxor-like ferroelectric materials. In this work, microstructural, electric, dielectric, and optical properties of the [Sc, Ta] dipole-pair substituted BaTiO<sub>3</sub> ceramics are investigated and the unique relaxor-like behavior of these materials are reported.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Chemical and Magnetic Phase Stability in BiXO3 by Density-functional Theory
Concentration Dependent Dielectric Behavior of [In, Ta] Dipole Pair Substituted BaTiO3 Ceramics
Correlative Models of Some Structural Aspects of Perovskites
Designing Electroceramics with Ferroelectric Grain Boundaries and Cold Sintering
Determining Complex Dielectric Properties from Coaxial Transmission Line Data Using a Machine Learning Approach
Dielectric Capacitance for Chemical and Biological Sensing
Identifying Dielectric Breakdown Micromechanisms in Solid Oxides with In Situ TEM
Integrating Material Fabrication, Characterization and Modeling to Maximize ROI
Investigation of Intergranular Dielectric Properties within the Relation between Fractal, Graph and Neural Networks Theories
Investigation of Relaxor-like Ferroelectrics in [Sc, Ta] Dipole-pair Substituted BaTiO3 Ceramics
Multiferroism and Magneto-electric Coupling Effect of M-type Hexaferrites
Novel Dielectrics, through [Ga, Ta] Dipolar-pair Substituted BaTiO3 Ceramics
Plasma-assisted Epitaxy and Piezoelectric Behavior of AlN Films on c-Sapphire
Relaxor-like Behavior in Dipole-Pair [Y, Ta] Substituted BaTiO3 Ceramics
Structural Peculiarities of Epitaxial PMN-PT Thin Films
The Synthetic Diamonds Electrical Conductivity with Fractal Correction

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