THE OXALATE ROUTE TO SUPERCONDUCTING YBA2CU3O7-X

被引:70
|
作者
WANG, XZ [1 ]
HENRY, M [1 ]
LIVAGE, J [1 ]
ROSENMAN, I [1 ]
机构
[1] UNIV PARIS 07,PHYS SOLIDES GRP,F-75251 PARIS 05,FRANCE
关键词
CERAMIC MATERIALS - Synthesis - YTTRIUM COMPOUNDS - Synthesis;
D O I
10.1016/0038-1098(87)90552-7
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
High-Tc superconductors can be easily obtained via the coprecipitation of nitrate and acetate aqueous solutions by oxalic acid. The thermal behavior of the amorphous precipitate is followed by X-ray diffraction. The superconducting YBa//2Cu//3O//7// minus //x orthorhombic phase is obtained upon heating at 860 degree C. Moreover, a pure tetragonal phase is already formed at temperatures as low as 720 degree C. This new phase appears to be somewhat different from the usual tetragonal phase. It does not transform into the orthorhombic phase when heated in oxygen between 400 degree C and 500 degree C.
引用
收藏
页码:881 / 883
页数:3
相关论文
共 50 条
  • [41] Josephson junctions made of YBa2Cu3O7-x superconducting nanofilms
    Chesca, Boris
    EUROPEAN CONFERENCE ON NANO FILMS - ECNF2012, 2013, 40 : 65 - 68
  • [42] MICROSTRUCTURE AND MAGNETIC CHARACTERIZATION OF YBA2CU3O7-X SUPERCONDUCTING CERAMIC
    AYACHE, J
    BOIRE, P
    FERT, AR
    BOZEC, X
    CHEN, N
    ROUTBORT, JL
    SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 1992, 5 (11): : 634 - 639
  • [43] Development of superconducting YBa2Cu3O7-x powders by spray drying
    Tsetsekou, A
    Georgiopoulos, E
    Andreouli, C
    SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 2002, 15 (11): : 1610 - 1616
  • [44] THEORY OF OXYGEN DIFFUSION IN THE YBA2CU3O7-X SUPERCONDUCTING COMPOUND
    CHOI, JS
    SARIKAYA, M
    AKSAY, IA
    KIKUCHI, R
    PHYSICAL REVIEW B, 1990, 42 (07): : 4244 - 4254
  • [45] TWINS, KINKS AND CRACKS IN DENSE SUPERCONDUCTING YBA2CU3O7-X
    ZHOU, JP
    DOU, SX
    BOURDILLON, AJ
    LIU, HK
    SORRELL, CC
    JOURNAL OF MATERIALS SCIENCE LETTERS, 1989, 8 (10) : 1147 - 1150
  • [46] Characteristics of electrodiffusion disorders of YBa2Cu3O7-x superconducting films
    Pavlovskaya, MV
    PISMA V ZHURNAL TEKHNICHESKOI FIZIKI, 1996, 22 (24): : 11 - 15
  • [47] Structure of ultrathin heteroepitaxial superconducting YBa2Cu3O7-x films
    Schlepuetz, C. M.
    Bjoerck, M.
    Koller, E.
    Pauli, S. A.
    Martoccia, D.
    Fischer, O.
    Willmott, P. R.
    PHYSICAL REVIEW B, 2010, 81 (17):
  • [49] THE STRUCTURE OF THERMALLY SPRAYED YBA2CU3O7-X SUPERCONDUCTING COATINGS
    HEINTZE, GN
    MCPHERSON, R
    TOLINO, D
    ANDRIKIDIS, C
    JOURNAL OF MATERIALS SCIENCE LETTERS, 1988, 7 (03) : 251 - 253
  • [50] PREPARATION AND SUPERCONDUCTING PROPERTIES OF ULTRATHIN YBA2CU3O7-X FILMS
    XI, XX
    GEERK, J
    LINKER, G
    LI, Q
    MEYER, O
    APPLIED PHYSICS LETTERS, 1989, 54 (23) : 2367 - 2369