| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advances in Magnetism and Magnetic Materials
|
| Presentation Title |
Synthesis and Magnetic Evaluation of Carbonaceous Spinel Ferrite Nanocomposites |
| Author(s) |
Naveen Narasimhachar Joshi, Shivashankar S. A. |
| On-Site Speaker (Planned) |
Naveen Narasimhachar Joshi |
| Abstract Scope |
Carbonaceous composites of metal oxide offer prospects as new, improved functional materials, as they would exploit the unique properties of both of their components. Herein, we report the novel synthesis of carbon composites of cobalt ferrite by a simple, one-step, inert-ambient sealed-tube pyrolysis (STP) of a stoichiometric mixture of the ketoesterate complexes of the Co (II) and Fe (III) as precursors, and without the aid of any catalysts or any heat treatment. We show that composites formed this way are homogeneous on a macroscopic scale, with interesting variations in the morphology of the carbon formed. XRD analysis indicates the formation of well-crystallized mixed-phase spinel cobalt ferrite with a mean crystallite size of ~ 20 nm. The isothermal field-dependent magnetization plots indicate ferrimagnetic interactions with a saturation magnetization of 34 emu/g. Thus, cobalt ferrite nanocomposites open a new frontier for soft magnetic applications of spinel ferrite structures. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Magnetic Materials, Powder Materials, Characterization |