Monte Carlo study of magnetic and thermodynamic properties of a ferrimagnetic mixed-spin (1, 3/2) Ising nanowire with hexagonal core-shell structure
| Autor: | Dan Lv, Feng Wang, San-xi Li, Rui-jia Liu, Qiao Xue |
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| Rok vydání: | 2017 |
| Předmět: |
010302 applied physics
Materials science Condensed matter physics Internal energy Mechanical Engineering Monte Carlo method Metals and Alloys 02 engineering and technology Coercivity 021001 nanoscience & nanotechnology 01 natural sciences Condensed Matter::Materials Science Magnetization Hysteresis Mechanics of Materials Ferrimagnetism Remanence 0103 physical sciences Materials Chemistry Ising model 0210 nano-technology |
| Zdroj: | Journal of Alloys and Compounds. 701:935-949 |
| ISSN: | 0925-8388 |
| DOI: | 10.1016/j.jallcom.2017.01.099 |
| Popis: | Monte Carlo simulation has been used to study magnetic and thermodynamic properties of a ferrimagnetic mixed-spin (1, 3/2) Ising nanowire with hexagonal core-shell structure. The ground phase diagrams are obtained for different exchange couplings. The critical values of the exchange couplings have been found, determining whether the compensation points appear in the present system. In particular, the effects of the exchange couplings and the temperature on the magnetization, the internal energy, the specific heat, the compensation points and hysteresis loops are discussed in detail. Under certain physical parameters, multiple cycle hysteresis loops such as triple and quintuple hysteresis loop patterns have been observed in the system. It is found that the exchange coupling and the temperature strongly affect the coercivity and the remanence of the system. Compared our results with other theoretical and experimental studies, a good agreement has been obtained qualitatively. |
| Databáze: | OpenAIRE |
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