Critical behavior of the 3D-Ising ferromagnets Cd[CrxTiy]Se4

被引：2
|
作者：
Rduch, P. [1 ]
Duda, H. [1 ]
Guzik, A. [1 ]
Malicka, E. [2 ]
Gron, T. [1 ]
Mazur, S. [3 ]
Gagor, A. [4 ]
Sitko, R. [2 ]
机构：
[1] Silesian Univ, Inst Phys, PL-40007 Katowice, Poland
[2] Silesian Univ, Inst Chem, PL-40006 Katowice, Poland
[3] Int Lab High Magnet Fields & Low Temp, PL-53529 Wroclaw, Poland
[4] Polish Acad Sci, Inst Low Temp & Struct Res, PL-50950 Wroclaw, Poland
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2013年 / 74卷 / 10期
关键词：
Chalcogenides; Crystal growth; Critical phenomena; MAGNETIC-PROPERTIES; SPINELS; TEMPERATURE; CDCR2SE4; NICKEL;
D O I：
10.1016/j.jpcs.2013.04.026
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The critical behavior of the single-crystalline Cd[CrxTiy]Se-4 spinels (where y = 0.07, 0.42 and 0.59) investigated around the paramagnetic-ferromagnetic phase transition revealed the values of the critical exponents close to those predicted by the calculations for a three-dimensional (3D) anisotropic short-range Ising ferromagnet. The dc magnetic susceptibility and magnetization measurements showed the Curie temperature of 130 K and the saturation magnetization above 5.19 mu(B)/f.u. slightly depend on the Ti content. An increase of the positive value of the temperature independent magnetic susceptibility as the Ti-content increases suggests a significant Van Vleck contribution. (c) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1419 / 1425
页数：7
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