Effect of Ru Substitution on the Superconducting Properties of GdBa2(Cu3-xRux)O7-δ(x=0 to 0.2)

被引：2
作者：
Nur-Amelia, A. [1 ]
Abd-Shukor, R. [1 ]
机构：
[1] Univ Kebangsaan Malaysia, Dept Appl Phys, Bangi 43600, Selangor, Malaysia
来源：
JOURNAL OF LOW TEMPERATURE PHYSICS | 2020年 / 201卷 / 3-4期
关键词：
Transition temperature; Microstructure; Structure; Electrical resistance; EXCESS CONDUCTIVITY; YBCO; NANOPARTICLES;
D O I：
10.1007/s10909-020-02504-4
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The effect of Ru substitution on GdBa2Cu3O7-delta(Gd123) superconductor was investigated. Polycrystalline samples with starting composition GdBa2(Cu3-xRux)O7-delta(x = 0 to 0.2) were prepared using the solid-state reaction method. X-rays diffraction (XRD) patterns showed the presence of Gd123 peaks in all samples. An impurity phase, Ba(Gd0.5Ru0.5)O(3)was observed in the Ru substituted samples. Scanning electron micrographs showed that the grain size decreased with increasing Ru. The resistance-temperature curves showed semiconductor-like normal state behavior for all Ru substituted samples. The derivative of the resistance with respect to temperature showed two peaks (T(p1)andT(p2)) which widened as Ru was increased. The lowering of the lower peak,T(p2)indicated impurities at the grain boundary where the samples became fully superconducting due to proximity effects belowT(p2). Ru substituted GdBa(2)Cu(3)O(7-delta)showed a more severe suppression of the transition temperature compared with YBa2Cu3O7-delta, EuBa(2)Cu(3)O(7-delta)and SmBa(2)Cu(3)O(7-delta)and the possible causes are discussed in this paper.
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页码：397 / 405
页数：9
相关论文
共 21 条
  • [1] Excess conductivity analysis for Tl0.8Hg0.2Ba2Ca2Cu3O9-δ substituted by Sm and Yb
    Abou-Aly, A. I.
    Awad, R.
    Ibrahim, I. H.
    Abdeen, W.
    [J]. SOLID STATE COMMUNICATIONS, 2009, 149 (7-8) : 281 - 285
  • [2] Impact of Dy2O3 nanoparticles additions on the properties of porous YBCO ceramics
    Almessiere, M. A.
    Slimani, Y.
    Hannachi, E.
    Algarni, R.
    Azzouz, F. Ben
    [J]. JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS, 2019, 30 (19) : 17572 - 17582
  • [3] Normal-state Conduction Mechanisms in GdBa2Cu3-x Ru x O7-δ Superconducting Phase
    Awad, R.
    Abou-Aly, A. I.
    Mahmoud, S. A.
    Barakat, M. Me.
    [J]. JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM, 2011, 24 (08) : 2227 - 2236
  • [4] Role of ruthenium content on studying excess conductivity and magneto-conductivity of SmBa2Cu3-xRuxO7-δ phase
    Barakat, M. M. E.
    [J]. JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS, 2017, 28 (18) : 13912 - 13919
  • [5] Barakat MM, 2016, J SUPERCOND NOV MAGN, V29, P289, DOI 10.1007/s10948-015-3263-7
  • [6] Partial insulation of GdBCO single pancake coils for protection-free HTS power applications
    Choi, Y. H.
    Hahn, S.
    Song, J. B.
    Yang, D. G.
    Lee, H. G.
    [J]. SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 2011, 24 (12)
  • [7] Improving superconducting properties of YBCO high temperature superconductor by Graphene Oxide doping
    Dadras, S.
    Dehghani, S.
    Davoudiniya, M.
    Falahati, S.
    [J]. MATERIALS CHEMISTRY AND PHYSICS, 2017, 193 : 496 - 500
  • [8] Fabrication of GdBa2Cu3O7-δ films by photo-assisted-MOCVD process
    Li, Wei
    Li, Guoxing
    Zhang, Baolin
    Chou, Penchu
    Liu, Suping
    Ma, Xiaoyu
    [J]. PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 2014, 501 : 1 - 6
  • [9] Thickness Dependence of Structural and Superconducting Properties of Single-Crystal-Like GdBCO Films Prepared by Photo-Assisted MOCVD
    Li, Wei
    Li, Shanwen
    Li, Guoxing
    Zhang, Baolin
    Chou, Penchu
    [J]. IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 2013, 23 (02)
  • [10] Investigation of the Mechanical Properties of GdBa2Cu3O7-δ Added with Nanosized Ferrites ZnFe2O4 and CoFe2O4 Using Ultrasonic Measurement
    Malaeb, Walid
    Basma, Hadi
    Barakat, M. M. E.
    Awad, Ramadan
    [J]. JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM, 2017, 30 (12) : 3595 - 3602
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