Magnetic properties of single grain r-mg-cd primitive icosahedral quasicrystals (R = Y, Gd, Tb or Dy)

被引：22
|
作者：
Sebastian, SE
Huie, T
Fisher, IR [1 ]
Dennis, KW
Kramer, MJ
机构：
[1] Stanford Univ, Geballe Lab Adv Mat, Stanford, CA 94305 USA
[2] Stanford Univ, Dept Appl Phys, Stanford, CA 94305 USA
[3] Iowa State Univ, Ames Lab, Ames, IA 50011 USA
[4] Iowa State Univ, Dept Mat Sci & Engn, Ames, IA 50011 USA
来源：
PHILOSOPHICAL MAGAZINE | 2004年 / 84卷 / 10期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1080/14786430310001641939
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The growth and characterization of single grains of the primitive icosahedral quasicrystal R - Mg - Cd ( R = Y, Gd, Tb or Dy) are described. From the thermodynamic properties, it is confirmed that the system is a spin glass exhibiting the characteristic spin-freezing transition of such systems. There is no evidence for two distinct freezing transitions previously observed for polygrain samples. The bulk magnetic properties and the effect of crystalline electric fields on the spin-freezing temperature are found to be very similar to those of the face-centred icosahedral quasicrystal R - Mg - Zn.
引用
收藏
页码：1029 / 1037
页数：9
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