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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Materials Engineering of Soft Magnets for Power and Energy Applications
Presentation Title Advanced Magnetic Polymer Nanocomposites for High Frequency Device Applications
Author(s) Hariharan Srikanth
On-Site Speaker (Planned) Hariharan Srikanth
Abstract Scope Magnetic nanoparticles are being developed for applications ranging from high density recording, spintronic devices to nanomedicine. Surface functionalization and shape anisotropy of nanoparticles are key factors that govern the magnetic response. Dispersion of ferrite nanoparticles into a polymer matrix creates a new class of low-cost, lightweight nanocomposite materials with enhanced and tunable microwave properties for use in high-performance RF and microwave devices, such as integrated high-Q inductors and filters. A challenging issue in polymer nanocomposites is particle agglomeration into non-uniform clusters during the processing stages of thick films. Our research over the years has led to overcoming this limitation through surface functionalization and fabrication of polymer-based superparamagnetic thick films. Microstrip patch antennas have been fabricated loaded with our magneto-dielectric polymer nanocomposites and show excellent performance and higher device miniaturization capability compared to similar structures made with dielectrics alone. Several possibilities in RF device applications witll be discussed.
Proceedings Inclusion? Planned: Supplemental Proceedings volume


Advanced Magnetic Polymer Nanocomposites for High Frequency Device Applications
Advanced Magneto-Optical Domain Analysis in Soft Magnetic Materials
Advanced Soft Magnetic Materials for Highly-efficient Electric Motors
Candidate Coatings for Soft Magnet Composites: Insights Gained from Multiscale Electron Microscopy
Challenges to the Commercial Acceptance of Amorphous and Nanocrystalline Soft Magnetic Materials
Combinatorial High-throughput Discovery of Magnetic Materials in Thin Films
Consolidation and Behavior of Bulk Iron Nitride Soft Magnets via Spark Plasma Sintering
Consolidation of Bulk Ferrimagnetic Rare Earth Iron Garnets
Crystallization Products and Strain Annealing Effects in (FexNi1-x)80Nb4Si2B14 Metal Amorphous Nanocomposites (MANCs)
Development of Fe-based Bulk Metallic Glasses with Both High Saturation Flux Density and High Glass Forming Ability
Development of Mold Inductor for Power Conversion System
Direct Measurement of the Magnetocaloric Effect in NiMnIn Ribbons
Effect of Annealing Time on the Texture of a 2.8% Si Non-Oriented Electrical Steel after Inclined and Skew Rolling
Effects of Cooling Rate on 6.5% Silicon Steel Ordering
Ferrite-coated Fe Soft Magnetic Composites: Balance of Magnetic Permeability and Electrical Resistivity
Large Magnetocaloric Effect in Ga Substituted NiMnIn Metamagnetic Shape Memory Alloys
Magnetic Material Excited by Power Electronics in Electrical Engineering
Magnetic Properties of Shear-textured Fe-Si Sheet Produced by Simple Shear Deformation
Multi-parameter Magnetic Material Characterization for High Power Medium Frequency Converters
Nanocomposite Soft Magnetic Materials for High Frequency and High Power Conversion Applications
Novel Silicon Steel Nanocomposites via Severe Shear Deformation Approaches
Opportunities and Challenges in the Additive Manufacture of Soft Magnetic Silicon Steel Parts: Processing, Material Properties and Component Design
Structure-Processing-Property Relationships in High Temperature Nanocomposite Soft Magnets
Study of Temperature Dependent Magnetic Properties of Zr+4 and Ti+4 Substituted Cobalt Ferrites
Unique Magnetostriction of Fe68.8Pd31.2 Attributable to De-twinning Mechanism

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