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Title: Electronic structure of Bi-based copper oxide superconductors: A comparative photoemission study of Bi sub 2 Sr sub 2 CaCu sub 2 O sub 8 , Bi sub 2 Sr sub 2 CuO sub 6 , and Bi sub 2 Sr sub 2 CoO sub 6+. delta

Abstract

Bi-based high-{ital T}{sub {ital c}} copper oxide superconductors, Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8}, Bi{sub 2}Sr{sub 2}CuO{sub 6}, and a related material Bi{sub 2}Sr{sub 2}CoO{sub 6+{delta}} have been studied by photoemission spectroscopy. While common prominent structures at high-binding energies ({gt}2 eV) are attributed to oxygen 2{ital p} states in the Bi-O planes, emission near the Fermi level ({ital E}{sub {ital F}}) is different from one other, indicating that these states are oxygen 2{ital p} states hybridizing with the transition-metal 3{ital d} states. For the states near {ital E}{sub {ital F}}, the resonant behavior at the Cu 3{ital p}-3{ital d} absorption threshold and the photon energy dependence of the intensities are shown to be consistent with CuO{sub 3}{ital d}{sup 9}--O 2{ital p} hole local singlets formed within the CuO{sub 2} planes.

Authors:
; ;  [1]; ;  [2]; ; ;  [3]; ;  [4]
  1. (Engineering Research Institute, University of Tokyo, Bunkyo-ku, Tokyo 113, Japan (JP))
  2. (Synchrotron Radiation Laboratory, Institute for Solid State Physics, University of Tokyo, Tanashi, Tokyo 118, Japan (JP))
  3. (Department of Physics, Science University of Tokyo, Kagurazaka, Shinjuku-ku, Tokyo 162, Japan (JP))
  4. (Department of Physics, University of Tokyo, Bunkyo-ku, Tokyo 113, Japan (JP))
Publication Date:
OSTI Identifier:
6905276
Alternate Identifier(s):
OSTI ID: 6905276
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review, B: Condensed Matter; (USA); Journal Volume: 41:10
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; BISMUTH OXIDES; ELECTRONIC STRUCTURE; CALCIUM OXIDES; COBALT OXIDES; COPPER OXIDES; STRONTIUM OXIDES; BINDING ENERGY; D STATES; FERMI LEVEL; HOLES; HYBRIDIZATION; P STATES; PHOTOEMISSION; SUPERCONDUCTORS; ALKALINE EARTH METAL COMPOUNDS; BISMUTH COMPOUNDS; CALCIUM COMPOUNDS; CHALCOGENIDES; COBALT COMPOUNDS; COPPER COMPOUNDS; EMISSION; ENERGY; ENERGY LEVELS; OXIDES; OXYGEN COMPOUNDS; SECONDARY EMISSION; STRONTIUM COMPOUNDS; TRANSITION ELEMENT COMPOUNDS 360204* -- Ceramics, Cermets, & Refractories-- Physical Properties

Citation Formats

Eisaki, H., Takagi, H., Uchida, S., Matsubara, H., Suga, S., Nakamura, M., Yamaguchi, K., Misu, A., Namatame, H., and Fujimori, A. Electronic structure of Bi-based copper oxide superconductors: A comparative photoemission study of Bi sub 2 Sr sub 2 CaCu sub 2 O sub 8 , Bi sub 2 Sr sub 2 CuO sub 6 , and Bi sub 2 Sr sub 2 CoO sub 6+. delta. United States: N. p., 1990. Web. doi:10.1103/PhysRevB.41.7188.
Eisaki, H., Takagi, H., Uchida, S., Matsubara, H., Suga, S., Nakamura, M., Yamaguchi, K., Misu, A., Namatame, H., & Fujimori, A. Electronic structure of Bi-based copper oxide superconductors: A comparative photoemission study of Bi sub 2 Sr sub 2 CaCu sub 2 O sub 8 , Bi sub 2 Sr sub 2 CuO sub 6 , and Bi sub 2 Sr sub 2 CoO sub 6+. delta. United States. doi:10.1103/PhysRevB.41.7188.
Eisaki, H., Takagi, H., Uchida, S., Matsubara, H., Suga, S., Nakamura, M., Yamaguchi, K., Misu, A., Namatame, H., and Fujimori, A. Sun . "Electronic structure of Bi-based copper oxide superconductors: A comparative photoemission study of Bi sub 2 Sr sub 2 CaCu sub 2 O sub 8 , Bi sub 2 Sr sub 2 CuO sub 6 , and Bi sub 2 Sr sub 2 CoO sub 6+. delta". United States. doi:10.1103/PhysRevB.41.7188.
@article{osti_6905276,
title = {Electronic structure of Bi-based copper oxide superconductors: A comparative photoemission study of Bi sub 2 Sr sub 2 CaCu sub 2 O sub 8 , Bi sub 2 Sr sub 2 CuO sub 6 , and Bi sub 2 Sr sub 2 CoO sub 6+. delta},
author = {Eisaki, H. and Takagi, H. and Uchida, S. and Matsubara, H. and Suga, S. and Nakamura, M. and Yamaguchi, K. and Misu, A. and Namatame, H. and Fujimori, A.},
abstractNote = {Bi-based high-{ital T}{sub {ital c}} copper oxide superconductors, Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8}, Bi{sub 2}Sr{sub 2}CuO{sub 6}, and a related material Bi{sub 2}Sr{sub 2}CoO{sub 6+{delta}} have been studied by photoemission spectroscopy. While common prominent structures at high-binding energies ({gt}2 eV) are attributed to oxygen 2{ital p} states in the Bi-O planes, emission near the Fermi level ({ital E}{sub {ital F}}) is different from one other, indicating that these states are oxygen 2{ital p} states hybridizing with the transition-metal 3{ital d} states. For the states near {ital E}{sub {ital F}}, the resonant behavior at the Cu 3{ital p}-3{ital d} absorption threshold and the photon energy dependence of the intensities are shown to be consistent with CuO{sub 3}{ital d}{sup 9}--O 2{ital p} hole local singlets formed within the CuO{sub 2} planes.},
doi = {10.1103/PhysRevB.41.7188},
journal = {Physical Review, B: Condensed Matter; (USA)},
number = ,
volume = 41:10,
place = {United States},
year = {Sun Apr 01 00:00:00 EST 1990},
month = {Sun Apr 01 00:00:00 EST 1990}
}