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Electronic structure of monoclinic BaBiO3

 

作者: Z.‐X. Shen,   P. A. P. Lindberg,   B. O. Wells,   D. S. Dessau,   A. Borg,   I. Lindau,   W. E. Spicer,   W. P. Ellis,   G. H. Kwei,   K. C. Ott,   J.‐S. Kang,   J. W. Allen,  

 

期刊: AIP Conference Proceedings  （AIP Available online 1990）
卷期: Volume 200, issue 1  

页码: 30-35

 

ISSN:0094-243X

 

年代: 1990

 

DOI:10.1063/1.39049

 

出版商: AIP

 

数据来源: AIP

 

摘要:

We present the results of photoemission studies of ‘‘valence disordered’’ monoclinic BaBiO3in the photon energy range 15–120 eV. The line‐shapes of the valence band photoemission spectra and the Ba contributions to the valence band are very similar to the line shapes of the total density of states and Ba partial density of states, respectively. Oxygen resonance is observed, demonstrating the existence of empty O 2p states. These results support a more covalent rather than a simple ionic picture for the electronic states of BaBiO3.

 

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