Magnetic anisotropy in ferromagnetic Josephson junctions

被引：22
|
作者：
Weides, M. [1 ,2 ]
机构：
[1] Forschungszentrum Julich, Ctr Nanoelect Syst Informat Technol, D-52425 Julich, Germany
[2] Forschungszentrum Julich, Inst Solid State Res, D-52425 Julich, Germany
来源：
APPLIED PHYSICS LETTERS | 2008年 / 93卷 / 05期
关键词：
Tunnel junctions;
D O I：
10.1063/1.2967873
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Magnetotransport measurements were done on Nb/Al2O3/Cu/Ni/Nb superconductor-insulator-ferromagnet-superconductor Josephson tunnel junctions. Depending on ferromagnetic Ni interlayer thickness and geometry, the standard (1d) magnetic field dependence of critical current deviates from the textbook model for Josephson junctions. The results are qualitatively explained by a short Josephson junction model based on anisotropy and 2d remanent magnetization. (C) 2008 American Institute of Physics.
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