论文标题

广义自旋S磁性合金的相图

Phase Diagrams of Generalized Spin-S Magnetic Binary Alloys

论文作者

Karakoyun, Gülşen, Akıncı, Ümit

论文摘要

已在EFT的框架内研究了由$ a_ {c} b_ {1-c} $代表的广义旋转S磁合金的临界特性。通过检查几个自旋值浓度的相图的演变,已经获得了一般结果。获得的结果涵盖了文献中特殊案例获得的结果。已经确定了通用自旋模型的过渡类型(第一/二阶)以及三智度点的存在。还已经表明,系统中存在相同的临界浓度值,而不管二元合金的旋转值包括一半整数 - 整数旋转合金。

Critical properties of the generalized spin-S magnetic binary alloys represented by $A_{c}B_{1-c}$ have been investigated within the framework of EFT. By inspecting the evolution of the phase diagrams with the concentration for several spin values, general results have been obtained. Obtained results cover the results obtained for special cases in the literature. Type of the transition (first/second order), as well as the presence of the tricritical point have been determined for general spin models. It has also been shown that, the same critical concentration value exist in the system, regardless of the spin value for binary alloy consist of half integer-integer spin alloy.

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