THEORETICAL-ANALYSIS OF X-RAY-ABSORPTION NEAR-EDGE STRUCTURE AT THE SR-K EDGE IN LA2-XSRXCUO4 COMPOUNDS

被引:40
作者
WU, ZY
BENFATTO, M
NATOLI, CR
机构
[1] Laboratori Nazionali di Frascati, INFN, 00044 Frascati
来源
PHYSICAL REVIEW B | 1992年 / 45卷 / 01期
关键词
D O I
10.1103/PhysRevB.45.531
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We present a theoretical analysis of x-ray-absorption near-edge structure at the Sr K edge in La2-xSrxCuO4 and SrF2 compounds based on the experimental results of Tan et al. [Phys. Rev. Lett. 64, 2715 (1990)]. Contrary to the suggestion put forward in this investigation which is based on the observation of a certain absorption structure, we obtain the best agreement with experimental data when the environment of the dopant Sr atom is kept fixed in its crystallographic arrangement.
引用
收藏
页码:531 / 534
页数:4
相关论文
共 27 条
  • [1] DETERMINATION OF VALENCE OF CU IN SUPERCONDUCTING LA2-X(SR,BA)XCUO4
    ALP, EE
    SHENOY, GK
    HINKS, DG
    CAPONE, DW
    SODERHOLM, L
    SCHUTTLER, HB
    GUO, J
    ELLIS, DE
    MONTANO, PA
    RAMANATHAN, M
    [J]. PHYSICAL REVIEW B, 1987, 35 (13): : 7199 - 7202
  • [2] LACK OF DELOCALIZED CU P-STATES AT THE FERMI LEVEL IN THE HIGH-TC SUPERCONDUCTOR YBA2CU3O-APPROXIMATELY 7 BY XANES SPECTROSCOPY
    BIANCONI, A
    CASTELLANO, AC
    DESANTIS, M
    POLITIS, C
    MARCELLI, A
    MOBILIO, S
    SAVOIA, A
    [J]. ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER, 1987, 67 (03): : 307 - 312
  • [3] CRYSTAL-STRUCTURE OF THE HIGH-TEMPERATURE SUPERCONDUCTOR LA1.85SR0.15CUO4 ABOVE AND BELOW TC
    CAVA, RJ
    SANTORO, A
    JOHNSON, DW
    RHODES, WW
    [J]. PHYSICAL REVIEW B, 1987, 35 (13): : 6716 - 6720
  • [4] THE CRYSTAL-STRUCTURE OF SUPERCONDUCTING LA2CUO4.032 BY NEUTRON-DIFFRACTION
    CHAILLOUT, C
    CHEONG, SW
    FISK, Z
    LEHMANN, MS
    MAREZIO, M
    MOROSIN, B
    SCHIRBER, JE
    [J]. PHYSICA C, 1989, 158 (1-2): : 183 - 191
  • [5] ABINITIO CALCULATION OF EXTENDED X-RAY-ABSORPTION FINE-STRUCTURE IN BR-2
    CHOU, SH
    REHR, JJ
    STERN, EA
    DAVIDSON, ER
    [J]. PHYSICAL REVIEW B, 1987, 35 (06): : 2604 - 2614
  • [6] TEMPERATURE-DEPENDENCE OF THE CRYSTAL-STRUCTURE OF THE CERAMIC SUPERCONDUCTOR LA1.85SR0.15CUO4 - A POWDER NEUTRON-DIFFRACTION STUDY
    DAY, P
    ROSSEINSKY, M
    PRASSIDES, K
    DAVID, WIF
    MOZE, O
    SOPER, A
    [J]. JOURNAL OF PHYSICS C-SOLID STATE PHYSICS, 1987, 20 (20): : L429 - L434
  • [7] DEJONG WF, 1959, GENERAL CRYSTALLOGRA, P155
  • [8] CALCULATION OF X-RAY ABSORPTION NEAR-EDGE STRUCTURE, XANES
    DURHAM, PJ
    PENDRY, JB
    HODGES, CH
    [J]. COMPUTER PHYSICS COMMUNICATIONS, 1982, 25 (02) : 193 - 205
  • [9] DURHAM PJ, 1988, CHEM ANAL, V92, P72
  • [10] GAI PL, 1990, PHYS REV B, V41, P371