The Magnetization Processes in Layered High-Temperature Superconductors: The Effect of Anisotropy

被引：5
|
作者：
Kashurnikov, V. A. [1 ]
Maksimova, A. N. [1 ]
Rudnev, I. A. [1 ]
Odintsov, D. S. [1 ]
机构：
[1] Natl Res Nucl Univ, Moscow Engn Phys Inst, Moscow 115409, Russia
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2016年 / 26卷 / 03期
基金：
俄罗斯科学基金会;
关键词：
Anisotropy parameter; high-temperature superconductors; magnetic properties; Monte Carlo simulations; vortex pinning; COLUMNAR DEFECTS; JOSEPHSON; VORTICES; VORTEX;
D O I：
10.1109/TASC.2016.2521704
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The magnetization of layered high-temperature superconductors (HTSCs) has been studied by using the Monte Carlo method. Typical parameters of promising HTSCs such as BSCCO, MgB2, and iron-based superconductors have been used for simulations, and the magnetization reversal loops were obtained. Anisotropy dependence of magnetic properties was analyzed. The ferromagnetic nanorods of arbitrary radius and constant magnetization were considered as pinning centers, and the pinning properties of extended ferromagnetic defects were analyzed. The analytic solution for the interaction of the vortex line and the ferromagnetic nanorod was obtained in the Lawrence-Doniach model. The simulations were done for both ferromagnetic and nonmagnetic extended defects.
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页数：4
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