EXPERIMENTS IN QUANTUM MAGNETIC-RELAXATION

被引：31
|
作者：
TEJADA, J
ZHANG, XX
机构：
[1] Facultat de Fisíca, Universitat de Barcelona, 08028 Barcelona
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1995年 / 140卷
关键词：
D O I：
10.1016/0304-8853(94)00497-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We present a comprehensive study of low temperature magnetic relaxation in a variety of magnetic systems. We show data for both logarithmic relaxation (many-barrier problem) and exponential decay of magnetization (single-barrier problem). Our key observation is the non-thermal character of the relaxation below a few kelvin. Our data on the exponential relaxation provide, for the first time, an opportunity for a precise comparison between theory and experiment.
引用
收藏
页码：1815 / 1818
页数：4
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