Nonlinear interaction of a ferromagnet with a high-temperature superconductor

被引：7
|
作者：
Kashurnikov, V. A. [1 ]
Maksimova, A. N. [1 ]
Rudnev, I. A. [1 ,2 ]
Sotnikova, A. P. [1 ,2 ]
机构：
[1] Natl Res Nucl Univ MEPhI, Moscow 115409, Russia
[2] Int Lab High Magnet Fields & Low Temp, PL-53421 Wroclaw, Poland
来源：
JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 2013年 / 116卷 / 03期
基金：
俄罗斯基础研究基金会;
关键词：
Vortex; Magnetization Reversal; Magnetization Loop; Ferro Magnet; Magnetic Substrate;
D O I：
10.1134/S1063776113030102
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The interaction of an Abrikosov vertex with a ferromagnetic substrate is taken into account in the model of a layered high-temperature superconductor (HTSC). The magnetization reversal loops are calculated by the Monte Carlo method for various values of the magnetic moment of the substrate and at various temperatures. The nonlinearity of the interaction of the superconductor with the ferromagnet is demonstrated. The magnetization of HTSC films on magnetic and nonmagnetic substrates is measured. It is found that the ferromagnetism of the substrate strongly affects the shape and magnitude of the magnetization of the HTSC-substrate composite. Experimental data are found to correlate with the results of calculations. DOI: 10.1134/S1063776113030102
引用
收藏
页码：476 / 485
页数：10
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