Magnetic field and current dependence of average activation energy in YBCO high-Tc granular superconductors

被引：2
|
作者：
Popescu, VA
Stepanescu, A
机构：
[1] Univ Politehn Bucuresti, Dept Phys, Bucharest 77206, Romania
[2] Politecn Torino, Dipartimento Fis, I-10129 Turin, Italy
来源：
MODERN PHYSICS LETTERS B | 2001年 / 15卷 / 16期
关键词：
D O I：
10.1142/S0217984901001975
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The temperature dependence of the electrical resistance noise in the presence of a magnetic field in polycrystalline YBCO samples was fitted with an average activation energy which decreases with magnetic field and with bias electrical current.
引用
收藏
页码：555 / 559
页数：5
相关论文
共 50 条
  • [31] Transport properties of granular high-TC superconductors
    da Luz, M. S.
    dos Santos, C. A. M.
    Sandim, M. J. R.
    Machado, A. J. S.
    BRAZILIAN JOURNAL OF PHYSICS, 2007, 37 (3B) : 1155 - 1159
  • [32] EFFECT OF MAGNETIC-FIELD ON THE CRITICAL CURRENT-DENSITY OF HIGH-TC SUPERCONDUCTORS
    LI, XG
    SONG, YW
    WANG, F
    SONG, SG
    LAI, RJ
    ZHANG, YH
    PHYSICA STATUS SOLIDI B-BASIC RESEARCH, 1992, 170 (02): : K99 - K102
  • [33] MAGNETIC-FIELD DEPENDENCE OF THE CRITICAL CURRENT-DENSITY FOR THE BISMUTH-BASED BULK HIGH-TC SUPERCONDUCTORS
    GUO, SJ
    LOBERG, B
    DOU, SX
    LIU, HK
    JOURNAL OF MATERIALS SCIENCE, 1992, 27 (11) : 3043 - 3049
  • [34] KINETICS OF MAGNETIC-RELAXATION AND DETERMINATION OF ACTIVATION-ENERGY IN HIGH-TC SUPERCONDUCTORS
    LI, XG
    KOBAYASHI, R
    KOTAKA, Y
    SHIMOYAMA, J
    KISHIO, K
    JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS, 1994, 33 (6B): : L843 - L845
  • [35] TEMPERATURE-DEPENDENCE OF ACTIVATION-ENERGY IN FLUX CREEP IN HIGH-TC OXIDE SUPERCONDUCTORS
    FUKAMI, T
    SOARES, V
    RINDERER, L
    HELVETICA PHYSICA ACTA, 1991, 64 (06): : 896 - 897
  • [36] THEORY OF THE MAGNETIZATION OF GRANULAR SUPERCONDUCTORS - APPLICATION TO HIGH-TC SUPERCONDUCTORS
    CLEM, JR
    KOGAN, VG
    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1987, 26 : 1161 - 1162
  • [37] STRONG MAGNETIC HISTORY DEPENDENCE OF MAGNETIC-RELAXATION IN HIGH-TC SUPERCONDUCTORS
    KWASNITZA, K
    WIDMER, C
    PHYSICA C, 1991, 184 (4-6): : 341 - 352
  • [38] Magnetic field effects on synthesis process of high-Tc superconductors
    Awaji, S
    Ma, Y
    Chen, WP
    Maeda, H
    Watanabe, K
    Motokawa, M
    CURRENT APPLIED PHYSICS, 2003, 3 (05) : 391 - 395
  • [39] Current fluctuation in high-Tc superconductors
    Asai, T
    Yoshida, N
    Tanaka, Y
    Inoue, J
    Kashiwaya, S
    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 2001, 62 (1-2) : 261 - 264
  • [40] Homogenous magnetic field generation by high-Tc oxide superconductors
    Yokoyama, K
    Fujine, Y
    Fujinuma, S
    Noto, K
    Yamaguchi, M
    IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 2002, 12 (01) : 1171 - 1175
12345