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Meeting 2024 TMS Annual Meeting & Exhibition
Symposium Advanced Soft Magnets and Magnetocaloric Materials: An FMD Symposium in Honor of Victorino Franco
Presentation Title Fe Based Magnetic Carbon Composites
Author(s) Cristina Gomez-Polo, Laura Cervera-Gabalda
On-Site Speaker (Planned) Cristina Gomez-Polo
Abstract Scope Iron-based magnetic carbonaceous nanocomposites are a topic of current research interest involving different fields (e.g. removal of pollutants, electrochemical sensors, catalysts or electromagnetic absorbents). In this work, Fe-C nanocomposites, synthesized through the thermal decomposition of sugars (i.e. fructose), are comparatively analyzed, employing as Fe precursor FeCl3 or Fe3O4 nanoparticles under conventional thermal treatments; Fe3O4 nanoparticles submitted to a RF magnetic field (Magnetic Induction Heating, MIH). While conventional high temperature (≥ 800 oC) thermal treatments are able to fully decompose the organic matrix and reduce Fe (graphitic carbon matrix and α-Fe/Fe3C nanoparticles), MIH procedure leads to amorphous carbon coatings surrounding the Fe3O4 nanoparticles. The decomposition process and the final structural and magnetic properties of the composites were comparatively analyzed (TGA, FTIR, X-Ray diffraction, TEM, BET surface area, Raman spectroscopy, SQUID magnetometry). The pollutant adsorption capacity (Cr (VI) removal from aqueous media) of the magnetic composites is finally outlined.
Proceedings Inclusion? Planned:
Keywords Magnetic Materials, Composites, Surface Modification and Coatings


4f-electrons Driven Giant Magnetic and Optical Anisotropy in Site-substituted M-type Strontium-hexaferrite
A Bright Future for Magnetocaloric High-entropy Alloys
A Solution to the Permalloy Problem
Advancements in the Development of Magnetic Refrigerators Operating at Near Room Temperature
Advances in Additive Manufacturing of Metamagnetic Shape Memory Alloys for Magnetocaloric Applications
An Overview of Soft Magnetic Properties of Fe-based Alloys by Rapid Solidification and Additive Manufacturing for Sustainable Applications
Assessing Rapid Solidification Processing to Produce Magnetocaloric Alloys for Gas Liquefaction
Connecting Soft Magnetic Core Performance to Power Converter Design
Effective Evaluation Setups for the Real Cooling Performance of Magnetocaloric Materials
Entropy Change at a Demagnetization Broadened First Order Transition
Essential Perspective on Magnetic and Thermodynamical States of Fe-based Magnetocaloric Compounds Inside the AMR-type Module
Evaluation of Martensite Transformation Temperatures Using Magnetometry
Evidence of Large Cryogenic Magnetocaloric Effect in GdNi1-xCox (0 ≤ x ≤ 0.15)
Fe Based Magnetic Carbon Composites
Induced Magnetic Anisotropy in Soft Magnetic Nanocomposites: A Review and Recent Insights
Machine Learning Assisted Development of Magnetocaloric Materials
Magnetic and Magnetocaloric Properties of R2In Intermetallic Compounds with Reversible First-order Transformations
Magnetic Field Suppression of the Martensitic Transition in NiMn-based Metamagnetic Shape Memory Heusler Compounds
Magnetic Materials for Energy Efficient Applications: Studying Materials Out of Their Comfort Zone
Magneto-optics, Revisited
Magnetocaloric Composite Wires for Regenerators
Magnetocaloric Effect in Amorphous and Nanocomposite Alloys
Magnetocaloric Materials for the Liquefaction of Hhydrogen
Magnetoelastic Coupling Transition Behavior in (Mn,Ni,Fe)2(P,Si) Alloys
Metal Amorphous Nanocomposite (MANC) Materials for High High Speed Axial Motors
Multi-caloric Experimental Investigation of FeSMA and MetaSMA Materials NiMn-based: Cast Alloys, Sintered Samples and Melt Spun Ribbons
Nanoscale Phase Separation in Rare-earth Containing Magnetocaloric Compounds
The Proposed Minimum Efficiency Standards for Distribution Transformers and the Impact to the Supply of Electrical and Amorphous Steels
Thermal First Order Reversal Curves (TFORC) measurements and properties of (NiMnSi)0.66(Fe2Ge)0.34 alloy
Tuning Magnetic Materials with Stress and Electric Field

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