Comparative Monte Carlo analysis of magnetic hysteresis in C60 and dimeric (C60)2 fullerene systems

Z. Fadil (), Chaitany Jayprakash Raorane, R. El Fdil, A. Jabar, Khaled H. Mahmoud, Abdulrahman A. Alsayyari and Seong Cheol Kim ()
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Z. Fadil: Mohammed V University in Rabat
Chaitany Jayprakash Raorane: Yeungnam University
R. El Fdil: Mohammed V University in Rabat
A. Jabar: University Hassan II
Khaled H. Mahmoud: Taif University
Abdulrahman A. Alsayyari: Qassim University
Seong Cheol Kim: Yeungnam University

The European Physical Journal B: Condensed Matter and Complex Systems, 2025, vol. 98, issue 8, 1-8

Abstract: Abstract This study investigates the magnetic hysteresis properties of the C60 and (C60)2 fullerene nanostructures according to the Blume–Emery–Griffiths model and Monte Carlo simulations. It seeks to know the influence of parameters such as exchange couplings, crystal field, and temperature on the magnetism of such materials. It was found that C60 exhibited greater coercive and saturation fields than (C60)2 due to intra-cluster couplings and greater anisotropy. These results provide better understanding of the role of thermal fluctuations and structural stresses in magnetization reversal, which is crucial for magnetic nanomaterials development. These can be employed in spintronic devices, magnetic sensors, memory devices, nanoelectronics, and quantum computing. Graphical abstract

Date: 2025
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DOI: 10.1140/epjb/s10051-025-01029-7

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