SYNTHESIS AND CHARACTERIZATION OF ORTHORHOMBIC TLSR2CUO5

被引:32
作者
GANGULI, AK
SUBRAMANIAN, MA
机构
[1] Central Research and Development, E. I. Dupont de Nemours and Co., Experimental Station, Wilmington
关键词
D O I
10.1016/0022-4596(91)90296-T
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
TlSr2CuO5 has been synthesized in polycrystalline form. Powder X-ray diffraction studies indicate an orthorhombic structure; space group Pmmm; a = 3.661(2), b = 3.793(1), c = 8.99(3)Å. The presence of short Cu{single bond}O bonds indicates the high formal valence for Cu. TlSr2CuO5 is found to be metallic and no superconductivity could be observed down to 4.2 K. © 1991 Academic Press, Inc.
引用
收藏
页码:250 / 255
页数:6
相关论文
共 24 条
  • [21] BULK SUPERCONDUCTIVITY UP TO 122-K IN THE TL-PB-SR-CA-CU-O SYSTEM
    SUBRAMANIAN, MA
    TORARDI, CC
    GOPALAKRISHNAN, J
    GAI, PL
    CALABRESE, JC
    ASKEW, TR
    FLIPPEN, RB
    SLEIGHT, AW
    [J]. SCIENCE, 1988, 242 (4876) : 249 - 252
  • [22] SYNTHESIS AND SUPERCONDUCTING PROPERTIES OF (TL1-XBIX)SR2CA2CU3O9
    SUBRAMANIAN, MA
    GAI, PL
    SLEIGHT, AW
    [J]. MATERIALS RESEARCH BULLETIN, 1990, 25 (01) : 101 - 106
  • [23] ANOMALOUS DISAPPEARANCE OF HIGH-TC SUPERCONDUCTIVITY AT HIGH HOLE CONCENTRATION IN METALLIC LA2-XSRXCUO4
    TORRANCE, JB
    TOKURA, Y
    NAZZAL, AI
    BEZINGE, A
    HUANG, TC
    PARKIN, SSP
    [J]. PHYSICAL REVIEW LETTERS, 1988, 61 (09) : 1127 - 1130
  • [24] WADA T, 1990, ISTEC J, V3, P21