Anomalous critical current in double-barrier Nb/Al-AlOx-Al-AlOx-Nb devices

被引：28
|
作者：
Nevirkovets, IP [1 ]
Ketterson, JB
Lomatch, S
机构：
[1] Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA
[2] Northwestern Univ, Dept Elect & Comp Engn, Evanston, IL 60208 USA
[3] Natl Acad Sci Ukraine, Inst Phys Met, UA-252680 Kiev, Ukraine
来源：
APPLIED PHYSICS LETTERS | 1999年 / 74卷 / 11期
关键词：
D O I：
10.1063/1.123637
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Double-barrier Nb/Al-AlOx-Al-AlOx-Nb devices with a "dirty'' middle Al layer were fabricated and investigated. An anomalously large Josephson critical current at low temperatures and a nonmonotonic dependence of the device resistance on the thickness of the middle Al layer were found. (C) 1999 American Institute of Physics. [S0003-6951(99)02011-2].
引用
收藏
页码：1624 / 1626
页数：3
相关论文
共 50 条
  • [41] Evaluation of critical current density of Nb/Al/AlOx/Nb Josephson junctions using test structures at 300 K
    Berggren, KK
    O'Hara, M
    Sage, JP
    Worsham, AH
    [J]. IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 1999, 9 (02) : 3236 - 3239
  • [42] Thermal annealing of Nb/Al-AlOx/Nb Josephson junctions
    Migacz, JV
    Huber, ME
    [J]. IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 2003, 13 (02) : 123 - 126
  • [43] THE INFLUENCE OF Al MORPHOLOGY ON QUALITY IN Nb/Al/AlOx/Al/Nb EPITAXIAL BASE LAYER JUNCTIONS
    Kirk, E. C. G.
    Blamire, M. G.
    Somekh, R. E.
    Evetts, J. E.
    [J]. IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 1993, 3 (01) : 2178 - 2181
  • [44] Characteristics of CeCoIn5/Al/AlOx/Nb and CeColn5/Al/AlOx/Al tunnel junctions
    Nevirkovets, I. P.
    Chernyashevskyy, O.
    Petrovic, C.
    Hu, Rongwei
    Ketterson, J. B.
    Sarma, Bimal K.
    [J]. PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 2009, 469 (7-8): : 293 - 296
  • [45] EXTREME CRITICAL-TEMPERATURE ENHANCEMENT OF AL BY TUNNELING IN NB/AOX/AL/ALOX/NB TUNNEL-JUNCTIONS
    BLAMIRE, MG
    KIRK, ECG
    EVETTS, JE
    KLAPWIJK, TM
    [J]. PHYSICA B, 1990, 165 : 1583 - 1584
  • [46] Influence of the Al thickness of Nb/Al-AlOx/Nb Josephson junction on the magnetic field dependence of the Josephson current
    Kobayashi, Kazuki
    Nakayama, Akiyoshi
    Abe, Susumu
    Watanabe, Norimichi
    [J]. PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 2020, 579
  • [47] Fabrication and properties of large Josephson (Nb/Al-AlOx/Al)(n)/Nb multilayers
    Polcari, A
    Monaco, R
    [J]. APPLIED SUPERCONDUCTIVITY 1995, VOLS. 1 AND 2: VOL 1: PLENARY TALKS AND HIGH CURRENT APPLICATIONS; VOL 2: SMALL SCALE APPLICATIONS, 1995, 148 : 1447 - 1450
  • [48] Six-layer process for the fabrication of Nb/Al-AlOx/Nb Josephson junction devices
    Cantor, R
    Hall, J
    [J]. IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 2005, 15 (02) : 82 - 85
  • [49] Preparation of Nb/Al-AlOx/Nb Josephson junctions with critical current densities down to 1 A/cm2
    Fritzsch, L
    Kohler, HJ
    Thrum, F
    Wende, G
    Meyer, HG
    [J]. PHYSICA C, 1998, 296 (3-4): : 319 - 324
  • [50] Development of a Nb/Al-AlOx/Nb SIS mixer at 100 GHz
    Andreone, D
    Brunetti, L
    Lacquaniti, V
    Maggi, S
    Rosso, F
    Steni, R
    [J]. APPLIED SUPERCONDUCTIVITY 1995, VOLS. 1 AND 2: VOL 1: PLENARY TALKS AND HIGH CURRENT APPLICATIONS; VOL 2: SMALL SCALE APPLICATIONS, 1995, 148 : 1689 - 1692
12345