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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Powder Materials for Energy Applications
Presentation Title Cubic Sub-micron BiFeO<sub>3</sub> Powders for Improved Electrical Properties
Author(s) Jenna Metera, Olivia A. Graeve
On-Site Speaker (Planned) Jenna Metera
Abstract Scope Ceramic capacitor technologies using lead based materials is being phased out for its environmental and handling hazards and bismuth ferrite is the next best replacement. Unfortunately, the electrical properties in bismuth systems are not as robust as the lead alternatives. The improvement of electrical properties such as charge density, charge anisotropy, relative permittivity, and dielectric loss are considered parameters that will make bismuth ferrite a competitive alternative. In order to maximize the utility of these properties, the answer is in the morphology of the powders and the contact points by which each particle is connected to another. The cubic particle morphology is produced through a hydrothermal synthesis with changes in the concentration of potassium hydroxide. The next step is to assemble the powders into a workable substrate for electrical testing. Powders have been characterized by X-ray diffraction and scanning electron microscopy.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Advanced Skutterudite-based Thermoelectric Unicouples by Near Net Shape Powder-based Fabrication for Future Space Power Applications
As-sintered Long Porous Inconel 625 Tubes for Hot Gas Filtration for the Production of High-purity Silicon
Bulk Supercrystalline Nanocomposites with Enhanced Mechanical Properties for Multifunctional Applications
Cold Spray Deposition of 304L Stainless-steel Powder on Used Fuel Dry Cask Storage Systems to Control Potential Stress Corrosion Cracking
Cubic Sub-micron BiFeO3 Powders for Improved Electrical Properties
Effect of Particle Spreading Dynamics on Powder Bed Quality
Energy Concentration Joining of Nuclear-grade SiC/SiC Composites for Next Generation Nuclear Reactors
Fabrication of Complex Shape Components by Spark-plasma Sintering Utilizing 3D-printed Controllable Interface
Fabrication of Uniform-sized Hemispherical Mesopores on Gold-coated Silver Nanocubes for Enzyme Immobilization
Flash Sintering: From Fundamental Science to Energy-saving Materials Processing
Influence of Powder Microstructure on Cold Spray Deposited Cr Coatings for High Temperature Oxidation Resistance
Investigation of the Powder Processing of Near-final Shape AlNiCo Magnets for Eventual Use in Electric Drive Motors
Is Additive Manufacturing a Competition or Complimentary Technology to Current Processing of Metals?
Materials for Nuclear Applications Produced by Powder-based Techniques
Microstructural Evolution of a Nanostructured Ferritic Alloy Composite during In-situ Ion Irradiation
Microstructural Evolution of NFA and Cr3C2@SiC-NFA Composite during Ion Irradiation
Miscibility Gap Alloy Thermal Storage Materials
Next Stage Development of Iron-based GARS Alloy Powders for Cold Spray Deposition of ODS Structural Materials for Extreme Environments
Novel Additive Manufacturing Process Design for U3Si2 Fuel
Peltier Effect during Spark Plasma Sintering of Boron Carbide
Powder Metal Technology for High-performance Materials with Harmonic-structure
Preparation of Zinc Carbonate Hydroxide Microparticles via Deamination Precipitation by Heating
Processing and Characteristics of Nanostructured Ferritic Alloys for Nuclear Reactor Applications
Superelastic Zirconia Powder for Shockwave Dissipation in Energy Infrastructure
Synthesis and Characterization of Lanthana Based ODS Steel for Nuclear Reactor Applications
Synthesis, Sintering, and Electrochemical Properties of Lithium Conducting Garnets from Molten Salt Fluxes for All-Solid-State Lithium Batteries
Toward New Flash and Energy Efficient Fabrication Processes based on Sintering

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