Unique magnetic and thermodynamic properties of a zigzag graphene nanoribbon

Xue-Sheng Wang, Fan Zhang, Nan Si, Jing Meng, Yan-Li Zhang and Wei Jiang

Physica A: Statistical Mechanics and its Applications, 2019, vol. 527, issue C

Abstract: Magnetic and thermodynamic properties of the zigzag graphene nanoribbon described by Ising model have been studied within Monte Carlo simulation. The system exhibited interesting and rich magnetization plateaus behaviors at low temperature, which is sensitive to the exchange coupling and the anisotropy. In certain parameters, the depressed saturation magnetization, spin-flip or spin-flop has been found on the magnetization curves. The peaks on the susceptibility and specific heat curves originate from competition among the magnetic field, the exchange couplings and anisotropies. The spin configurations of the zigzag graphene nanoribbon can be modulated by the anisotropies. Our results can provide an opportunity for the design of a new type random access memory by using zigzag graphene nanoribbon.

Keywords: Zigzag graphene nanoribbon; Monte Carlo simulation; Magnetization; Specific heat; Blocking temperature (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:527:y:2019:i:c:s037843711930799x

DOI: 10.1016/j.physa.2019.121356

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