Magnetic Properties of Nanographene Bilayer

Authored by: R. Masrour , L. Bahmad , E.K. Hlil , M. Hamedoun , A. Benyoussef

Graphene Science Handbook

Print publication date:  April  2016
Online publication date:  April  2016

Print ISBN: 9781466591356
eBook ISBN: 9781466591363
Adobe ISBN:

10.1201/b19460-14

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Abstract

The magnetic properties of an Ising antiferromagnetic model on bilayer nanographene have spins that can take the values spin-S and spin-?, are studied by Monte Carlo simulations with different size. We only consider the nearest–neighbor interactions between the site i and j. The zero field cold and field cold thermal magnetizations, thermal magnetic susceptibilities, and hysteresis cycle are obtained for a nanographene structure with the effect of exchange interaction between sites i and j. The blocking temperature is also obtained for specific values of the external magnetic field. The Monte Carlo simulation is used to study the behavior of defects and the dilution sites in nanographene.

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