EPITAXIAL RELATIONS BETWEEN INSITU SUPERCONDUCTING YBA2CU3O7-X THIN-FILMS AND BATIO3/MGAL2O4/SI SUBSTRATES

被引:18
作者
HWANG, DM [1 ]
RAMESH, R [1 ]
CHEN, CY [1 ]
WU, XD [1 ]
INAM, A [1 ]
HEGDE, MS [1 ]
WILKENS, B [1 ]
CHANG, CC [1 ]
NAZAR, L [1 ]
VENKATESAN, T [1 ]
MIURA, S [1 ]
MATSUBARA, S [1 ]
MIYASAKA, Y [1 ]
SHOHATA, N [1 ]
机构
[1] NEC CORP LTD,KAWASAKI,KANAGAWA 213,JAPAN
关键词
D O I
10.1063/1.346607
中图分类号
O59 [应用物理学];
学科分类号
摘要
In situ superconducting YBa2Cu3O7-x films with Tc0 up to 87 K and Jc, 77 K up to 6×10 4 A/cm2 were prepared on Si substrates with MgAl 2O4 and BaTiO3 double-buffer layers. The epitaxial relations between various layers were established by transmission electron microscopy. The MgAl2O4 layer is heavily faulted. The subsequent BaTiO3 layer stops most of the faults, provides a template for the YBa2Cu3O7-x growth, and partially screens off the stress due to different thermal expansion coefficients. The microstructure of the YBa2Cu3O 7-x layer is very similar to that of the films deposited directly on SrTiO3, exhibiting a homogeneous heavily faulted single-crystal-like structure free from secondary phases and grain boundaries. The slight degradation of the transport properties is attributed to residual thermal stress.
引用
收藏
页码:1772 / 1776
页数:5
相关论文
共 17 条
  • [1] LOW-TEMPERATURE PREPARATION OF SUPERCONDUCTING YBA2CU3O7-DELTA FILMS ON SI, MGO, AND SRTIO3 BY THERMAL COEVAPORATION
    BERBERICH, P
    TATE, J
    DIETSCHE, W
    KINDER, H
    [J]. APPLIED PHYSICS LETTERS, 1988, 53 (10) : 925 - 926
  • [2] LASER DEPOSITION OF QUALITY HIGH-TC SUPERCONDUCTOR FILMS
    CHANG, CC
    VENKATESAN, T
    WU, XD
    INAM, A
    CHASE, EW
    HWANG, DM
    TARASCON, JM
    BARBOUX, P
    ENGLAND, P
    WILKENS, BJ
    [J]. IEEE TRANSACTIONS ON MAGNETICS, 1989, 25 (02) : 2441 - 2444
  • [3] TRANSMISSION ELECTRON-MICROSCOPY STUDIES OF SUPERCONDUCTING Y-BA-CU-O FILMS PREPARED BY LASER DEPOSITION
    HWANG, DM
    NAZAR, L
    VENKATESAN, T
    WU, XD
    [J]. APPLIED PHYSICS LETTERS, 1988, 52 (21) : 1834 - 1836
  • [4] MICROSTRUCTURE OF INSITU EPITAXIALLY GROWN SUPERCONDUCTING Y-BA-CU-O THIN-FILMS
    HWANG, DM
    VENKATESAN, T
    CHANG, CC
    NAZAR, L
    WU, XD
    INAM, A
    HEGDE, MS
    [J]. APPLIED PHYSICS LETTERS, 1989, 54 (17) : 1702 - 1704
  • [5] AS-DEPOSITED HIGH-TC AND JC SUPERCONDUCTING THIN-FILMS MADE AT LOW-TEMPERATURES
    INAM, A
    HEGDE, MS
    WU, XD
    VENKATESAN, T
    ENGLAND, P
    MICELI, PF
    CHASE, EW
    CHANG, CC
    TARASCON, JM
    WACHTMAN, JB
    [J]. APPLIED PHYSICS LETTERS, 1988, 53 (10) : 908 - 909
  • [6] EPITAXIAL-FILMS OF YBA2CU3O7-DELTA ON NDGAO3, LAGAO3, AND SRTIO3 SUBSTRATES DEPOSITED BY LASER ABLATION
    KOREN, G
    GUPTA, A
    GIESS, EA
    SEGMULLER, A
    LAIBOWITZ, RB
    [J]. APPLIED PHYSICS LETTERS, 1989, 54 (11) : 1054 - 1056
  • [7] HIGH-TC YBA2CU3O7-X THIN-FILMS ON SI SUBSTRATES BY DC MAGNETRON SPUTTERING FROM A STOICHIOMETRIC OXIDE TARGET
    LEE, WY
    SALEM, J
    LEE, V
    HUANG, T
    SAVOY, R
    DELINE, V
    DURAN, J
    [J]. APPLIED PHYSICS LETTERS, 1988, 52 (26) : 2263 - 2265
  • [8] REPRODUCIBLE TECHNIQUE FOR FABRICATION OF THIN-FILMS OF HIGH TRANSITION-TEMPERATURE SUPERCONDUCTORS
    MANKIEWICH, PM
    SCOFIELD, JH
    SKOCPOL, WJ
    HOWARD, RE
    DAYEM, AH
    GOOD, E
    [J]. APPLIED PHYSICS LETTERS, 1987, 51 (21) : 1753 - 1755
  • [9] EPITAXIAL Y-BA-CU-O FILMS ON SI WITH INTERMEDIATE LAYER BY RF MAGNETRON SPUTTERING
    MIURA, S
    YOSHITAKE, T
    MATSUBARA, S
    MIYASAKA, Y
    SHOHATA, N
    SATOH, T
    [J]. APPLIED PHYSICS LETTERS, 1988, 53 (20) : 1967 - 1969
  • [10] MORGOCAMPERIO A, 1989, APPL PHYS LETT, V52, P2068