Magnetization Plateaus at Low Temperature in a Triangular Spin Tube

被引:3
作者
Farchakh, Abdeslam [1 ]
Boubekri, Abderrazak [1 ]
El Hafidi, Mohamed [1 ]
机构
[1] Hassan II Univ Casablanca, Fac Sci Ben Msik, Phys Dept, Lab Condensed Matter Phys, Av Driss El Harty, Casablanca 20635, Morocco
关键词
Triangular spin tube; Transversal exchange coupling; Effective field theory; Ising model; Magnetization plateaus; Frustration; Magnetocaloric effect; EFFECTIVE-FIELD THEORY; NANOTUBES; IDENTIFICATION;
D O I
10.1007/s10909-021-02644-1
中图分类号
O59 [应用物理学];
学科分类号
摘要
We studied some magnetic behaviors of the Ising model in a triangular spin tube using the effective field theory (EFT) with correlations. We examined the effects of the exchange anisotropy J '=J perpendicular to J//, and temperature T on the magnetic properties of the spin 1/2 Ising model in a triangular spin tube, particularly for isotherm magnetization, spontaneous magnetization, and magnetic susceptibility. We investigated the magnetic properties of the triangular spin 1/2 tube in detail. At low temperature, magnetization curves of a triangular spin 1/2 tube of the Ising model with the intra- triangular J(,) and inter-triangular J(//) interaction exchange are examined within the behavior magnetic. It is shown that the developed model satisfactorily describes all pronounced features of the low-temperature magnetization process and the magneto-thermodynamics such as abrupt changes of the isothermal magnetization curves, a giant magnetocaloric effect. Among the most notable features of zero-temperature magnetization curves, one could mention fractional magnetization plateaus, quantum spin liquids, and macroscopic magnetization jumps, which can be found first of all in frustrated quantum Heisenberg spin models.
引用
收藏
页码:131 / 147
页数:17
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