Critical behavior of a mixed ferrimagnetic ternary alloy on the Bethe lattice

被引：16

作者：

Canko, O. ^{[1
,2
]}

Deviren, B. ^{[3
]}

Keskin, M. ^{[1
]}

机构：

[1] Erciyes Univ, Dept Phys, TR-38039 Kayseri, Turkey

[2] Florida State Univ, Sch Computat Sci, Tallahassee, FL 32306 USA

[3] Erciyes Univ, Inst Sci, TR-38039 Kayseri, Turkey

来源：

JETP LETTERS | 2008年 / 87卷 / 11期

关键词：

D O I：

10.1134/S0021364008110088

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The critical behavior of the mixed Ising model of the type AB(p)C(1-p) ternary alloy consisting of spins sigma = 1/2, S = 1, and m = 3/2 is investigated on the Bethe lattice by using the exact recursion relations. The exact expressions for the magnetizations and magnetic susceptibilities are found, and the thermal behaviors of the magnetizations and susceptibilities are studied. The magnetizations and susceptibilities have also been investigated as functions of the crystal-field interaction or single-ion anisotropy. The phase diagram has been constructed according to which the system always undergoes a second-order phase transition for the coordination number q <= 3 and second- and first-order phase transitions for q > 3; hence, the system has a tricritical point. The system also exhibits reentrant behaviors.

引用

页码：633 / 638

页数：6

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