Electronic structures of Sr14-xCaxCu24O41

被引:47
作者
Arai, M [1 ]
Tsunetsugu, H [1 ]
机构
[1] UNIV TSUKUBA, INST PHYS APPL, TSUKUBA, IBARAKI 305, JAPAN
关键词
D O I
10.1103/PhysRevB.56.R4305
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The electronic structures of Sr14-xCaxCu24O41 are calculated within the local-density approximation. Around the Fermi energy there exist quasi-one-dimensional bands originated from the ladder and chain layers. The nearest-neighbor interladder hoppings are estimated to be 5-20 % of the intraladder ones. Possible effects of Ca substitution on electronic structures and charge distribution are also discussed.
引用
收藏
页码:R4305 / R4308
页数:4
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共 19 条
  • [1] LINEAR METHODS IN BAND THEORY
    ANDERSEN, OK
    [J]. PHYSICAL REVIEW B, 1975, 12 (08): : 3060 - 3083
  • [2] SUPERCONDUCTIVITY IN LADDERS AND COUPLED PLANES
    DAGOTTO, E
    RIERA, J
    SCALAPINO, D
    [J]. PHYSICAL REVIEW B, 1992, 45 (10): : 5744 - 5745
  • [3] CALCULATED ELECTRONIC-STRUCTURE OF THE SANDWICH D(1) METALS LAI2 AND CEI2 - APPLICATION OF NEW LMTO TECHNIQUES
    JEPSEN, O
    ANDERSEN, OK
    [J]. ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER, 1995, 97 (01): : 35 - 47
  • [4] THE DENSITY FUNCTIONAL FORMALISM, ITS APPLICATIONS AND PROSPECTS
    JONES, RO
    GUNNARSSON, O
    [J]. REVIEWS OF MODERN PHYSICS, 1989, 61 (03) : 689 - 746
  • [5] STRUCTURE OF THE ALKALINE-EARTH METAL OXOCUPRATE M10CU17O29
    KATO, K
    TAKAYAMAMUROMACHI, E
    KOSUDA, K
    UCHIDA, Y
    [J]. ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS, 1988, 44 : 1881 - 1884
  • [6] STRUCTURE REFINEMENT OF COMPOSITE CRYSTALS IN MULTIDIMENSIONAL SPACE
    KATO, K
    [J]. ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE, 1990, 46 : 39 - 44
  • [7] Metal-insulator transition and spin gap in the spin-1/2 ladder system Sr(14-x)A(x)Cu(24)O(41) (A=Ba and Ca)
    Kato, M
    Shiota, K
    Koike, Y
    [J]. PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 1996, 258 (3-4): : 284 - 292
  • [8] THE INCOMMENSURATE STRUCTURE OF (SR14-XCAX)CU24O41 (0 LESS-THAN X APPROXIMATELY 8) A SUPERCONDUCTOR BY-PRODUCT
    MCCARRON, EM
    SUBRAMANIAN, MA
    CALABRESE, JC
    HARLOW, RL
    [J]. MATERIALS RESEARCH BULLETIN, 1988, 23 (09) : 1355 - 1365
  • [9] Electronic states of doped spin ladders (Sr,Ca)(14)Cu24O41
    Mizuno, Y
    Tohyama, T
    Maekawa, S
    [J]. JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1997, 66 (04) : 937 - 940
  • [10] Effect of Ca substitution and pressure on the transport and magnetic properties of Sr14Cu24O41 with doped two-leg Cu-O ladders
    Motoyama, N
    Osafune, T
    Kakeshita, T
    Eisaki, H
    Uchida, S
    [J]. PHYSICAL REVIEW B, 1997, 55 (06) : R3386 - R3389