SQUID MAGNETOMETER NOISE MEASUREMENTS ON YBA2CU3O7 THIN-FILMS AND INPUT COILS

被引:6
|
作者
DIIORIO, MS
YANG, KY
ZHANG, J
YOSHIZUMI, S
MAUNG, M
机构
[1] Biomagnetic Technologies, Inc., San Diego, CA 92121
关键词
D O I
10.1109/20.133741
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
A SQUID magnetometer system incorporating a Nb-based conventional SQUID operating at 4.8 K was used to measure the magnetic field noise from high-T(c) input coils and unpatterned films at 77 K. The system allows for the rapid measurement of relatively large regions of high-T(c) material. The results on numerous coils and films show the noise decreasing as a function of increasing film critical current density at 77 K. High-T(c) films with J(c)(77K) = 3 x 10(6) A/cm2 appear suitable for use as input coils in SQUID magnetometer applications requiring low noise at frequencies down to 1 Hz.
引用
收藏
页码:2573 / 2577
页数:5
相关论文
共 50 条
  • [41] LITHOGRAPHIC PROCESSING OF YBA2CU3O7 THIN-FILMS - IMPACT ON ELECTRICAL CONTACTS
    FAGERBERG, R
    VASSENDEN, F
    GONG, ZH
    GREPSTAD, JK
    JOURNAL OF APPLIED PHYSICS, 1992, 71 (12) : 6167 - 6171
  • [42] LOW-FREQUENCY 1/F NOISE MEASUREMENTS IN YBA2CU3O7 THIN-FILMS AND THE IMPLICATIONS FOR HTS IR DETECTORS
    LACOE, RC
    HURRELL, JP
    SPRINGER, K
    RAISTRICK, ID
    HU, R
    BURCH, JF
    SIMON, RS
    IEEE TRANSACTIONS ON MAGNETICS, 1991, 27 (02) : 2832 - 2835
  • [43] TEM INVESTIGATION OF YBA2CU3O7 THIN-FILMS ON SRTIO3 BICRYSTALS
    TRAEHOLT, C
    WEN, JG
    ZANDBERGEN, HW
    SHEN, Y
    HILGENKAMP, JWM
    PHYSICA C, 1994, 230 (3-4): : 425 - 434
  • [44] THE EFFECT OF AG OR AU OVERLAYERS ON UNDERLYING YBA2CU3O7 THIN-FILMS
    MOGROCAMPERO, A
    TURNER, LG
    PHYSICA C, 1994, 220 (3-4): : 329 - 331
  • [45] ANISOTROPIC SUPERCONDUCTING PROPERTIES OF YBA2CU3O7 BASED THIN-FILMS AND SUPERLATTICES
    ADRIAN, H
    JAKOB, G
    TOMEROSA, C
    SCHMITT, M
    WAGNER, P
    HAHN, T
    KLUGE, T
    SPECKMANN, M
    INTERNATIONAL JOURNAL OF MODERN PHYSICS B, 1993, 7 (1-3): : 113 - 122
  • [46] THICKNESS DEPENDENCE OF THE IRREVERSIBILITY LINE IN YBA2CU3O7 EPITAXIAL THIN-FILMS
    NEMINSKY, A
    DUMAS, J
    THRANE, BP
    SCHLENKER, C
    KARL, H
    STRITZKER, B
    PHYSICAL REVIEW B, 1994, 50 (05): : 3307 - 3311
  • [47] FABRICATION OF INFRARED DETECTORS BASED ON GRANULAR THIN-FILMS OF YBA2CU3O7
    BEERY, JG
    BROWN, DR
    GARZON, FH
    LAURICH, B
    LEMONS, RA
    MOMBOURQUETTE, CB
    RAISTRICK, LD
    SPRINGER, K
    WILDE, DK
    JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1988, 135 (09) : C458 - C458
  • [48] FLUCTUATIONS AND THE MAKI-THOMPSON MODEL IN YBA2CU3O7 THIN-FILMS
    PATAPIS, SK
    JONES, EC
    PHILLIPS, JM
    LOWNDES, DH
    SOMEKH, RE
    PHYSICA C, 1994, 235 : 1965 - 1966
  • [49] MICROSTRUCTURE OF HETEROEPITAXIAL YBA2CU3O7/SRTIO3 MULTILAYER THIN-FILMS
    SOLTNER, H
    JIA, CL
    KABIUS, B
    POPPE, U
    SWIATEK, P
    URBAN, K
    PHYSICA C, 1992, 191 (1-2): : 1 - 8
  • [50] MILLIMETER-WAVE SURFACE IMPEDANCE OF YBA2CU3O7 THIN-FILMS
    DRABECK, L
    GRUNER, G
    CHANG, JJ
    INAM, A
    WU, XD
    NAZAR, L
    VENKATESAN, T
    SCALAPINO, DJ
    PHYSICAL REVIEW B, 1989, 40 (10): : 7350 - 7353