An effective-field theory study of hexagonal Ising nanowire：Thermal and magnetic properties

doi:10.1088/1674-1056/23/4/046801

中国物理B ›› 2014, Vol. 23 ›› Issue (4): 46801-046801.doi: 10.1088/1674-1056/23/4/046801

• CONDENSED MATTER: STRUCTURAL, MECHANICAL, AND THERMAL PROPERTIES • 上一篇下一篇

An effective-field theory study of hexagonal Ising nanowire：Thermal and magnetic properties

Yusuf Kocakaplan^a, Ersin Kantar^b

a Institute of Science, Erciyes University, 38039 Kayseri, Turkey;
b Department of Physics, Erciyes University, 38039 Kayseri, Turkey

收稿日期:2013-07-31 修回日期:2013-10-04 出版日期:2014-04-15 发布日期:2014-04-15

An effective-field theory study of hexagonal Ising nanowire：Thermal and magnetic properties

Yusuf Kocakaplan^a, Ersin Kantar^b

a Institute of Science, Erciyes University, 38039 Kayseri, Turkey;
b Department of Physics, Erciyes University, 38039 Kayseri, Turkey

Received:2013-07-31 Revised:2013-10-04 Online:2014-04-15 Published:2014-04-15
Contact: Ersin Kantar E-mail:ersinkantar@erciyes.edu.tr
About author:68.35.Rh; 05.50.+q; 75.60.-d; 62.23.Hj

摘要/Abstract

摘要： By means of the effective-field theory (EFT) with correlations, the thermodynamic and magnetic quantities (such as magnetization, susceptibility, internal energy, specific heat, free energy, hysteresis curves, and compensation behaviors) of the spin-1/2 hexagonal Ising nanowire (HIN) system with core/shell structure have been presented. The hysteresis curves are obtained for different values of the system parameters, in both ferromagnetic and antiferromagnetic cases. It has been shown that the system only undergoes a second-order phase transition. Moreover, from the thermal variations of the total magnetization, the five compensation types can be found under certain conditions, namely the Q-, R-, S-, P-, and N-types.

关键词: hexagonal Ising nanowire, effective-field theory, hysteresis curve, compensation behavior

Abstract: By means of the effective-field theory (EFT) with correlations, the thermodynamic and magnetic quantities (such as magnetization, susceptibility, internal energy, specific heat, free energy, hysteresis curves, and compensation behaviors) of the spin-1/2 hexagonal Ising nanowire (HIN) system with core/shell structure have been presented. The hysteresis curves are obtained for different values of the system parameters, in both ferromagnetic and antiferromagnetic cases. It has been shown that the system only undergoes a second-order phase transition. Moreover, from the thermal variations of the total magnetization, the five compensation types can be found under certain conditions, namely the Q-, R-, S-, P-, and N-types.

Key words: hexagonal Ising nanowire, effective-field theory, hysteresis curve, compensation behavior

中图分类号: (Phase transitions and critical phenomena)

68.35.Rh

05.50.+q (Lattice theory and statistics) 75.60.-d (Domain effects, magnetization curves, and hysteresis) 62.23.Hj (Nanowires)

Yusuf Kocakaplan, Ersin Kantar. An effective-field theory study of hexagonal Ising nanowire：Thermal and magnetic properties[J]. 中国物理B, 2014, 23(4): 46801-046801.

Yusuf Kocakaplan, Ersin Kantar. An effective-field theory study of hexagonal Ising nanowire：Thermal and magnetic properties[J]. Chin. Phys. B, 2014, 23(4): 46801-046801.

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An effective-field theory study of hexagonal Ising nanowire：Thermal and magnetic properties

An effective-field theory study of hexagonal Ising nanowire：Thermal and magnetic properties

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