Modification of critical current density of MgB2 films irradiated with 200 MeV Ag ions

被引：34
|
作者：
Shinde, SR [1 ]
Ogale, SB
Higgins, J
Choudhary, RJ
Kulkarni, VN
Venkatesan, T
Zheng, H
Ramesh, R
Pogrebnyakov, AV
Xu, SY
Li, Q
Xi, XX
Redwing, JM
Kanjilal, D
机构：
[1] Univ Maryland, Dept Phys, Ctr Superconduct Res, College Pk, MD 20742 USA
[2] Univ Maryland, Dept Mat Sci & Engn, College Pk, MD 20742 USA
[3] Penn State Univ, Dept Phys, University Pk, PA 16802 USA
[4] Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA
[5] Penn State Univ, Dept Mat Sci & Engn, University Pk, PA 16802 USA
[6] Ctr Nucl Sci, New Delhi 110067, India
来源：
APPLIED PHYSICS LETTERS | 2004年 / 84卷 / 13期
关键词：
D O I：
10.1063/1.1687982
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The effect of 200 MeV Ag ion irradiation on the. temperature and field dependence of critical current density (J(c)) of high quality MgB2 thin films is studied. Substantial increase in J(C) is observed over a certain field range for the film irradiated at a dose of 10(12) ions/cm(2). Our analysis suggests that columnar defects are not formed under irradiation conditions used in these studies; which correspond to an electronic energy loss of about 16 keV/nm. Defects clusters are likely to be responsible for the. observed improvement in J(C). (C) 2004 American Institute of Physics.
引用
收藏
页码：2352 / 2354
页数：3
相关论文
共 50 条
  • [41] The influence of unidirectional copper alloying on the critical current density of MgB2
    Chen, SK
    Glowacki, BA
    SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 2006, 19 (01): : 116 - 121
  • [42] Determination of critical current density in flux creep state for MgB2
    Luo, H
    Lin, JW
    Leng, X
    Liu, Y
    Qiu, L
    Ding, SY
    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 2003, 388 : 171 - 172
  • [43] Thermomagnetic instability and critical current density in MgB2 monofilamentary tapes
    Zola, D.
    Polichetti, M.
    Adesso, M. G.
    Kovac, P.
    Martini, L.
    Pace, S.
    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 2008, 468 (7-10): : 761 - 764
  • [44] Progress in Critical Current Density (Jc) in Sintered MgB2 Bulks
    M. Muralidhar
    M. Murakami
    Journal of Superconductivity and Novel Magnetism, 2018, 31 : 2677 - 2681
  • [45] Fibrous structure and critical current density of MgB2 superconducting wire
    Uchiyama, D.
    Mizuno, K.
    Akao, T.
    Maeda, M.
    Kawakami, T.
    Kobayashi, H.
    Kubota, Y.
    Yasohama, K.
    CRYOGENICS, 2007, 47 (5-6) : 282 - 286
  • [46] High critical current densities in superconducting MgB2 thin films
    Moon, SH
    Yun, JH
    Lee, HN
    Kye, JI
    Kim, HG
    Chung, W
    Oh, B
    APPLIED PHYSICS LETTERS, 2001, 79 (15) : 2429 - 2431
  • [47] Magnetic relaxation and critical current density of MgB2 thin films -: art. no. 134505
    Wen, HH
    Li, SL
    Zhao, ZW
    Jin, H
    Ni, YM
    Kang, WN
    Kim, HJ
    Choi, EM
    Lee, SI
    PHYSICAL REVIEW B, 2001, 64 (13):
  • [48] Significant enhancement of critical current density by effective carbon-doping in MgB2 thin films
    Ranot, Mahipal
    Lee, O. Y.
    Kang, W. N.
    PROGRESS IN SUPERCONDUCTIVITY AND CRYOGENICS, 2013, 15 (02): : 12 - 15
  • [49] Enhancement at low temperatures of the critical current density for Au-coated MgB2 thin films
    Choi, EM
    Lee, HS
    Kim, HJ
    Lee, SI
    Kim, HJ
    Kang, WN
    APPLIED PHYSICS LETTERS, 2004, 84 (01) : 82 - 84
  • [50] Enhanced critical current density in MgB2 prepared by reaction of MgB4 and Mg
    Tan, K. L.
    Lim, K. P.
    Halim, A. S.
    Chen, S. K.
    PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 2013, 210 (03): : 616 - 622
12345