Josephson effect in hybrid oxide heterostructures with an antiferromagnetic layer

被引：29
作者：
Komissinskiy, P. [1 ]
Ovsyannikov, G. A.
Borisenko, I. V.
Kislinskii, Yu. V.
Constantinian, K. Y.
Zaitsev, A. V.
Winkler, D.
机构：
[1] Russian Acad Sci, Inst Radio Engn & Elect, Moscow 125009, Russia
[2] Chalmers, Dept Microtechnol & Nanosci, S-41296 Gothenburg, Sweden
[3] Tech Univ Darmstadt, Dept Mat Sci, D-64287 Darmstadt, Germany
来源：
PHYSICAL REVIEW LETTERS | 2007年 / 99卷 / 01期
关键词：
D O I：
10.1103/PhysRevLett.99.017004
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Josephson coupling between an s- and d-wave superconductor through a 50 nm thick Ca1-xSrxCuO2 antiferromagnetic layer was observed for the hybrid Nb/Au/Ca1-xSrxCuO2/YBa2Cu3O7-delta heterostructures and investigated as a function of temperature, magnetic field, and applied millimeter-wave electromagnetic radiation. The magnetic field dependence of the supercurrent I-c(H) exhibits anomalously rapid oscillations, which is the first experimental evidence of the theoretically predicted giant magneto-oscillations in Josephson junctions with antiferromagnetic interlayers.
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页数：4
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