Insight into magnetic properties and magnetocaloric effect of an Ising-type polyhedral chain

被引：31
作者：
Yang, Min [1 ,2 ]
Wang, Feng [1 ,2 ]
Wang, Wei [2 ,3 ]
Li, Bo-chen [3 ]
Lv, Jia-qi [3 ]
机构：
[1] Shenyang Univ Technol, Sch Mat Sci & Engn, Shenyang 110870, Peoples R China
[2] Key Lab Magnesium Alloys & Proc Technol Liaoning, Shenyang 110870, Peoples R China
[3] Shenyang Univ Technol, Sch Sci, Shenyang 110870, Peoples R China
来源：
POLYMER | 2022年 / 246卷
关键词：
Ising polyhedral chain; Magnetic and thermodynamic properties; Magnetocaloric effect; DISORDER LAYERING TRANSITIONS; MONTE-CARLO; GROUND-STATE; BILAYER; CRYSTAL; MODEL; BEHAVIORS; NANORODS; SPIN-1; HEAT;
D O I：
10.1016/j.polymer.2022.124756
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The impact of exchange coupling, crystal field and external magnetic field on the magnetic, thermodynamic behaviors and magnetocaloric effect of a ferromagnetic mixed-spin (1, 1/2) Ising polyhedral chain has been explored using Monte Carlo simulation. In this study, we found that the increase of exchange coupling and external magnetic field produces a positive impact on magnetic properties, whereas the strong crystal field is not conducive to stabilize the system. Besides, different parameters also have different effects on the magnetocaloric effect of the system. For example, the maximum of magnetic entropy change decreases with the enhancement of exchange coupling and crystal field, but increases with the enlargement of the external magnetic field. Finally, the relative cooling power as well as the hysteresis loops have been also investigated.
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页数：10
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