4.5 Article

Compensation temperature and dynamic magnetic properties in the double-layer structure of graphyne-like

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ELSEVIER
DOI: 10.1016/j.jmmm.2022.170122

Keywords

Double -layer structure of graphyne-like; Effective field theory; Magnetization; Periodically oscillating magnetic field; Phase diagram

Funding

  1. LiaoNing Revitalization Talents Program [XLYC1908034]
  2. Key R & D project of Liaoning Province of China [2020JH2/10300079]

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In this study, the physical properties of the double-layer graphyne-like structure were investigated using effective-field theory with correlations. The system exhibited multiple types of magnetization curves and compensation temperatures, and the influence of a periodically oscillating magnetic field on the system's magnetization was discussed.
The physical properties of the double-layer structure of graphyne-like described by the Ising model were studied by effective-field theory with correlations. The system is composed of mixed spin 5/2 and 2 with ferrimagnetic exchange couplings. The magnetization curve of the system can be divided into three types: P-, Q-, and N-types. Multiple compensation temperatures on the magnetization curve were found within a range of parameters. In addition, the influence of a periodically oscillating magnetic field on the magnetization of the double-layer structure of graphyne-like is discussed. The results indicated that the disorder and order of the system could be controlled and induced by a time-dependent and independent magnetic field.

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