Local observation of reverse-domain superconductivity in a superconductor-ferromagnet hybrid

被引：27
|
作者：
Fritzsche, J
Moshchalkov, VV
Eitel, H
Koelle, D
Kleiner, R
Szymczak, R
机构：
[1] Catholic Univ Louvain, INPAC, Nanoscale Supercond & Magnetism & Pulsed Fields G, B-3001 Heverlee, Belgium
[2] Univ Tubingen, Phys Inst Expt Phys 2, D-72076 Tubingen, Germany
[3] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland
来源：
PHYSICAL REVIEW LETTERS | 2006年 / 96卷 / 24期
关键词：
D O I：
10.1103/PhysRevLett.96.247003
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Nanoscale magnetic and superconducting properties of the superconductor-ferromagnet Nb/PbFe12O19 hybrid were studied as a function of applied magnetic fields. Low-temperature scanning laser microscopy (LTSLM) together with transport measurements were carried out in order to reveal local variations of superconductivity induced by the magnetic field template produced by the ferromagnetic substrate. Room temperature magnetic force microscopy (MFM) was performed and magnetization curves were taken at room and low temperature to investigate the magnetic properties of the hybrid. Comparative analysis of the LTSLM and the MFM images has convincingly demonstrated the presence of the reverse-domain superconductivity.
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页数：4
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