ANGLE-RESOLVED-PHOTOEMISSION STUDY OF BI2SR2CACU2O8+DELTA - METALLICITY OF THE BI-O PLANE

被引:116
作者
WELLS, BO
SHEN, ZX
DESSAU, DS
SPICER, WE
OLSON, CG
MITZI, DB
KAPITULNIK, A
LIST, RS
ARKO, A
机构
[1] IOWA STATE UNIV SCI & TECHNOL,AMES LAB,AMES,IA 50011
[2] STANFORD UNIV,DEPT APPL PHYS,STANFORD,CA 94305
[3] UNIV CALIF LOS ALAMOS SCI LAB,LOS ALAMOS,NM 87545
关键词
D O I
10.1103/PhysRevLett.65.3056
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We have performed high-resolution angle-resolved-photoemission experiments on Bi2Sr2CaCu2O8+single crystals with different annealing histories. By depositing a small amount of Au on the surface, we were able to distinguish electronic states associated with the Bi-O surface layer. We found that the Bi-O atomic surface layer is metallic and superconducting for samples that were high-temperature annealed in oxygen but not for as-grown samples. The Cu-O plane is found to be superconducting in all samples. © 1990 The American Physical Society.
引用
收藏
页码:3056 / 3059
页数:4
相关论文
共 24 条
  • [1] RESONANT PHOTOEMISSION-STUDY OF ND2-XCEXCUO4-Y - NATURE OF ELECTRONIC STATES NEAR THE FERMI LEVEL
    ALLEN, JW
    OLSON, CG
    MAPLE, MB
    KANG, JS
    LIU, LZ
    PARK, JH
    ANDERSON, RO
    ELLIS, WP
    MARKERT, JT
    DALICHAOUCH, Y
    LIU, R
    [J]. PHYSICAL REVIEW LETTERS, 1990, 64 (05) : 595 - 598
  • [2] ALLEN JW, 1990, MATER RES SCI B, V25, P34
  • [3] ANDERSON PH, IN PRESS
  • [4] LUTTINGER-LIQUID BEHAVIOR OF THE NORMAL METALLIC STATE OF THE 2D HUBBARD-MODEL
    ANDERSON, PW
    [J]. PHYSICAL REVIEW LETTERS, 1990, 64 (15) : 1839 - 1841
  • [5] ELECTRONIC-STRUCTURE OF THE GOLD BI2SR2CACU2O8 AND GOLD EUBA2CU3O7-DELTA INTERFACES AS STUDIED BY PHOTOEMISSION SPECTROSCOPY
    DESSAU, DS
    SHEN, ZX
    WELLS, BO
    SPICER, WE
    LIST, RS
    ARKO, AJ
    BARTLETT, RJ
    FISK, Z
    CHEONG, SW
    MITZI, DB
    KAPITULNIK, A
    SCHIRBER, JE
    [J]. APPLIED PHYSICS LETTERS, 1990, 57 (03) : 307 - 309
  • [6] DESSAU DS, IN PRESS
  • [7] ORIGIN OF SUPERCONDUCTIVE GLASSY STATE AND EXTRINSIC CRITICAL CURRENTS IN HIGH-TC OXIDES
    DEUTSCHER, G
    MULLER, KA
    [J]. PHYSICAL REVIEW LETTERS, 1987, 59 (15) : 1745 - 1747
  • [8] PHOTOEMISSION DENSITIES OF INTRINSIC SURFACE STATES FOR SI, GE, AND GAAS
    EASTMAN, DE
    GROBMAN, WD
    [J]. PHYSICAL REVIEW LETTERS, 1972, 28 (21) : 1378 - &
  • [9] HIGH-RESOLUTION PHOTOEMISSION-STUDY OF THE LOW-ENERGY EXCITATIONS REFLECTING THE SUPERCONDUCTING STATE OF BI-SR-CA-CU-O SINGLE-CRYSTALS
    IMER, JM
    PATTHEY, F
    DARDEL, B
    SCHNEIDER, WD
    BAER, Y
    PETROFF, Y
    ZETTL, A
    [J]. PHYSICAL REVIEW LETTERS, 1989, 62 (03) : 336 - 339
  • [10] PSEUDOGAPS AND THE SPIN-BAG APPROACH TO HIGH-TC SUPERCONDUCTIVITY
    KAMPF, A
    SCHRIEFFER, JR
    [J]. PHYSICAL REVIEW B, 1990, 41 (10): : 6399 - 6408