SURFACE IMPEDANCE MEASUREMENTS AND CALCULATIONS ACCORDING TO THE MATTIS BARDEEN THEORY ON HIGH-TC SUPERCONDUCTORS

被引:0
|
作者
KATARIA, ND [1 ]
POPEL, R [1 ]
WOLF, H [1 ]
SACHSE, H [1 ]
KUHLEMANN, T [1 ]
NIEMEYER, J [1 ]
机构
[1] TECH UNIV BRAUNSCHWEIG,INST HOCHFREQUENZTECH,W-3300 BRAUNSCHWEIG,GERMANY
关键词
D O I
10.1109/20.133423
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The surface impedance measurements made on YBa2Cu3O7-x (YBCO) films are reported and compared with the exact solution of the Mattis Bardeen theory applied to strong coupling superconductors. Epitaxial films of YBCO were grown by the coevaporation of Y, BaF2 and Cu and ex-situ wet O2 annealing. The films were deposited at substrate temperatures T(s) ranging from 200-degrees-C to 820-degrees-C. X-ray diffraction shows that the films grown in the temperature range 720 degrees-C-780 degrees-C are epitaxial with the c-axis perpendicular to the substrate surface. Surface impedances of the samples were measured using a cylindrical copper cavity at 66.8 GHz.
引用
收藏
页码:1302 / 1305
页数:4
相关论文
共 50 条
  • [31] 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
  • [32] Fermi surface reconstruction in high-Tc superconductors
    Taillefer, Louis
    JOURNAL OF PHYSICS-CONDENSED MATTER, 2009, 21 (16)
  • [33] PROXIMITY EFFECT IN THE SN INTERFACE OF HIGH-TC SUPERCONDUCTORS - TUNNEL SPECTROSCOPY AND SURFACE IMPEDANCE
    YOSHIKAWA, N
    SUGAHARA, M
    IEEE TRANSACTIONS ON MAGNETICS, 1991, 27 (02) : 1328 - 1331
  • [34] HIGH-TC SUPERCONDUCTORS
    SLEIGHT, AW
    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1994, 208 : 40 - PHYS
  • [35] MEASUREMENTS ON THIN-FILM HIGH-TC SUPERCONDUCTORS
    KAPITULNIK, A
    CHAR, K
    IBM JOURNAL OF RESEARCH AND DEVELOPMENT, 1989, 33 (03) : 252 - 261
  • [36] POINT CONTACT MEASUREMENTS ON HIGH-TC CERAMIC SUPERCONDUCTORS
    ANDERSEN, NH
    JOHANNSEN, I
    LEVINSEN, MT
    PHYSICA SCRIPTA, 1988, 37 (01): : 138 - 140
  • [37] HIGH-TC SUPERCONDUCTORS
    BOGNER, G
    HOENIG, HE
    ADVANCED MATERIALS, 1990, 2 (10) : 473 - 477
  • [38] INVESTIGATION OF HIGH-TC SUPERCONDUCTORS BY MEANS OF TORQUE MEASUREMENTS
    ANDRA, W
    DANAN, H
    HERGT, R
    JAGER, E
    KLUPSCH, T
    PFEIFFER, H
    PHYSICA C, 1988, 153 : 1505 - 1506
  • [39] CONTACT PROBLEMS IN JC MEASUREMENTS ON HIGH-TC SUPERCONDUCTORS
    JONES, H
    COWEY, L
    DEWHUGHES, D
    CRYOGENICS, 1989, 29 (08) : 795 - 799
  • [40] MAGNETIC MEASUREMENTS OF HIGH-TC SUPERCONDUCTORS IN MEGAGAUSS FIELDS
    NAKAO, K
    MIURA, N
    TATSUHARA, K
    UCHIDA, S
    TAKAGI, H
    WADA, T
    TANAKA, S
    TAKEYA, H
    TAKEI, F
    PHYSICA B, 1989, 155 (1-3): : 156 - 159