Hysteretic behavior of critical currents in heterostructures of high-temperature superconductors and ferromagnets

被引：14

作者：

Albrecht, J ^{[1
]}

Soltan, S ^{[1
]}

Habermeier, HU ^{[1
]}

机构：

[1] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany

来源：

EUROPHYSICS LETTERS | 2003年 / 63卷 / 06期

关键词：

D O I：

10.1209/epl/i2003-00603-9

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have grown bilayer structures of the ferromagnet SrRuO3 and the high-temperature superconductor YBa2Cu3O7-delta on single crystalline LaSrGaO4 substrates by pulsed laser deposition. By means of quantitative magneto-optics, the critical current density in the superconducting film is measured and it is found that it strongly depends on the magnetization state of the ferromagnetic layer. The critical current density shows a hysteretic behavior that is strongly related to the magnetic hysteresis loop of the ferromagnet.

引用

页码：881 / 887

页数：7

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