Phase diagrams of a cylindrical transverse Ising ferrimagnetic nanotube; Effects of surface dilution

被引：61
|
作者：
Kaneyoshi, T.
机构：
[1] Midoriku, Nagoya, 458-0003, 1-510, Kurosawadai
来源：
SOLID STATE COMMUNICATIONS | 2011年 / 151卷 / 21期
关键词：
Transverse Ising model; Magnetic nanotube; Compensation point; Ferrimagnetism; MAGNETIC-PROPERTIES; HYSTERESIS LOOPS; BEHAVIORS; NANOWIRE;
D O I：
10.1016/j.ssc.2011.07.035
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Phase diagrams (transition temperature and compensation temperature) of a cylindrical ferrimagnetic nanotube with a negative core-shell interaction, described by the transverse Ising model (TIM), are investigated by the use of the effective-field theory with correlations. The phase diagrams of the system are strongly affected by the surface dilution. The possibility of two compensation points is found in the phase diagram, in contrast to the case of a cylindrical TIM nanowire. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1528 / 1532
页数：5
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