X-RAY PHOTOELECTRON SPECTROSCOPY STUDY ON THE HOLE STATES IN YBa2Cu3O7 SUPERCONDUCTOR | Zendy

Wang Nan-Lin | Zendy; Ming-Qiu Tan | Zendy; Zhao Zhan-chun | Zendy; Jingsong Wang | Zendy; Sha Jian | Zendy; Xianming Liu | Zendy; Mingrong Ji | Zendy; Qirui Zhang | Zendy

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X-RAY PHOTOELECTRON SPECTROSCOPY STUDY ON THE HOLE STATES IN YBa2Cu3O7 SUPERCONDUCTOR

Author(s) -

Wang Nan-Lin,

Ming-Qiu Tan,

Zhao Zhan-chun,

Jingsong Wang,

Sha Jian,

Xianming Liu,

Mingrong Ji,

Qirui Zhang

Publication year - 1991

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.40.821

Subject(s) - x ray photoelectron spectroscopy , superconductivity , valence (chemistry) , materials science , condensed matter physics , electronic structure , physics , nuclear magnetic resonance , quantum mechanics

XPS measurements have been performed on the orthogonal single phase YBa2Cu3O7 superconductor. The higher valence-like state of Cu is observed clearly. The electronic states corresponding to the peaks in Cu2p and O1s XPS are discussed. It is suggested that the extra holes due to the excess oxygen are created on the O2p orbit. The higher valence-like state of Cu corresponds to the combination of Cu3d9L and Cu3d10L3 states.

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