Intrinsic Josephson junctions in a magnetic field

被引:0
|
作者
Yurgens, A [1 ]
机构
[1] Chalmers, Dept Microtechnol & Nanosci MC2, SE-41296 Gothenburg, Sweden
来源
关键词
intrinsic Josephson effect; magnetoresistance; interlayer coupling;
D O I
10.1016/j.physc.2003.10.026
中图分类号
O59 [应用物理学];
学科分类号
摘要
Measurements of the c-axis tunneling characteristics across mesas patterned on the surfaces of Bi2212 single crystals are discussed. The measurements provide information on the magnetic phase diagram, vortex pinning and the interplanar pancake correlations at different temperatures and magnetic fields. The pancake correlations and/or pinning can be effectively controlled by: (i) carrier concentration (oxygen content), (ii) columnar defects via heavy-ion irradiation, (iii) changes of the tunneling-barriers' width via intercalation of inert molecules or pressure. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:431 / 439
页数:9
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