Experimental realization of amorphous two-dimensional XY magnets

被引：7
|
作者：
Liebig, A. [1 ,2 ]
Korelis, P. T. [2 ]
Ahlberg, Martina [2 ]
Hjoervarsson, B. [2 ]
机构：
[1] Tech Univ Chemnitz, Inst Phys, D-09107 Chemnitz, Germany
[2] Uppsala Univ, Dept Phys & Astron, SE-75120 Uppsala, Sweden
来源：
PHYSICAL REVIEW B | 2011年 / 84卷 / 02期
基金：
瑞典研究理事会;
关键词：
METALLIC GLASSES; UNIVERSALITY; TRANSITION; DISORDER; RB2CRCL4; SYSTEMS;
D O I：
10.1103/PhysRevB.84.024430
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The temperature dependence of the magnetization of thin amorphous Fe(89)Zr(11)/Al(78)Zr(22) layerswas investigated. Dimensionality analysis of the ferromagnetic transition of 15 A thick layers yielded critical exponents characteristic of the 2D XY (planar rotor) model. Above the ordering temperature significant polarizability with an applied field is observed, due to the existence of large-scale magnetic correlations, of which the extent and origin have been determined.
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收藏
页数：4
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