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Angle-resolved inverse photoemission study of Bi2Sr2CaCu2O8: Existence of two CuO2 bands across the Fermi level

โœ Scribed by T. Watanabe; T. Takahashi; S. Suzuki; S. Sato; H. Katayama-Yoshida; A. Yamanaka; F. Minami; S. Takekawa


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
413 KB
Volume
176
Category
Article
ISSN
0921-4534

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โœฆ Synopsis


Angle-resolved inverse photoemission spectroscopy was performed on a Bi2Sr,CaCu20s single crystal to study the electronic structure in the vicinity of the Fermi level. Inverse photoemission intensity shows two maxima at about 0.2 TX and 0.6FX from the F point along the TX direction, suggesting that there are two bands crossing the Fermi level. The present experimental result was compared with angle-resolved photoemission results and band structure calculations.


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Angle-resolved photoemission study of no
โœ T. Takahashi; H. Matsuyama; H. Katayama-Yoshida; K. Seki; K. Kamiya; H. Inokuchi ๐Ÿ“‚ Article ๐Ÿ“… 1990 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 277 KB

A comparative angle-resolved photoemission measurement has been performed on nonsuperconductive BiZSrZCa0.4Y0.6CuZ08 and superconductive Bi2Sr2CaCu20s to study the nature and origin of the electronic states near the Fermi level. It was found that hole-doping does not cause a rigid shift of the densi