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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium 2D Materials – Preparation, Properties & Applications
Presentation Title Ferromagnetism in Q-carbon Balls as a Function of Their Size
Author(s) Nayna Khosla, Jagdish Narayan, Kaushik Sarkar, Dhananjay Kumar
On-Site Speaker (Planned) Nayna Khosla
Abstract Scope The Q- carbon is reportedly the densely packed metastable state phase of carbon with about 80% sp3 content. The pure Q- carbon exhibits extraordinary Hall Effect and room temperature ferromagnetism whereas the Boron doped Q- carbon shows superconductivity. We have created Q-carbon balls (30-50nm) which exhibit ferromagnetism at room temperature for the host of applications ranging from nanosensors to targeted drug delivery. The isothermal field dependent magnetization plots confirm room-temperature ferromagnetism in Q-carbon with a finite coercivity (70Oe) at 300 K and a Curie temperature of 550 K, obtained by the extrapolation of the fits to experimental data using modified Bloch’s law. In Q-carbon balls grown on sapphire, we observed that these magnetic and electrical properties can be attributed to the abundant unpaired electrons near the fermi energy level. This talk will focus on the ferromagnetic properties as a function of size to optimize the magnetic properties.
Proceedings Inclusion? Planned:


A-1: Preparation and Electro-sorption Performance of Lotus Petiole-based Activated Carbon
A Comprehensive Understanding of the Gas Sensing Properties of 2D Materials Using the Framework of Density Functional Theory
Chemisorption of Gadolinium Ions on 2D-g-C3N4 for an Efficient Piezo-photocatalytic Remediation of Kanamycin Sulfate
Corrosion Behaviour of Atomic Layers of Graphene on Nickel Surfaces Exposed to Aggressive Microbial Environments
Effect of Pore Alignment in the Mechanical Properties of 2D Material 3D Foam – Polymer Composites
Effect of Temperature and Acoustic Pressure during Ultrasound Liquid Phase Processing of Graphite in Water
Elastic Response and Strain Solitons Behavior of Molybdenum Ditelluride (MoTe2) Based 2D Van der Waals Heterostructure
Ferromagnetism in Q-carbon Balls as a Function of Their Size
High Fidelity Multi-physics Numerical Modelling of Ultrasonic Bubble Dynamics and Liquid Exfoliation of 2D Graphite
Immobilization of Glycine Molecules on Graphene Oxide for Enhanced Piezoelectricity
Novel Approach to Produce Thick CNT Based Bucky Paper for Radar Absorption and EMI Shielding Applications
Novel Approach to Wafer Scale Integration of Graphene and h-BN Related 2-D Materials
NOW ON-DEMAND ONLY – Synthesis and Characterization of Laser-induced Graphene for Gas Sensing Applications
NOW ON DEMAND ONLY: Dispersing Two-dimensional Ti3C2Tx MXene Nanosheets in Nonpolar Organic Solvents within Minutes
NOW ON DEMAND ONLY: Well-defined 3D Printing of Titanium Carbide (Ti3C2Tx) MXene Nanosheets into Complex and Hierarchical Microarchitectures with High Aspect Ratio
Raman and Transport Characterization of Semiconducting and Superconducting Selenide-based Transition Metal Dichalcogenides
Rapid Exfoliation of Low-defectivity Graphene in Alkali Lignin Aqueous Media
Structural Phase Transition and Pseudoelastic Behavior in Strained Monolayer Molybdenum Ditelluride (MoTe2 )
Synthesis and Characterization of MnCo2O4 /GQDs Nano-composites for Super Capacitor Electrodes

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