The electronic structure of a high quality superconducting Bi2Sr2CaCu2O8+delta (Bi2212) single crystal is studied by angle resolved ultra violet photoemission (ARUPS) using He I (21.2 eV). Our results appear to show two bands crossing the Fermi level in GAMMAX direction of the Brillouin zone as reported by Takahashi et al. The bands at higher binding energy do not show any appreciable dispersion. The nature of the states near the Fermi level is and the observed band structure is compared with the band structure calculations.

Electronic Structure of a superconducting Bi2212 Crystal by angle resolved ultra violet photoemission / Saini, Naurang Lal; J., Kanski; P., Srivastava; L., Ilver; K. B. GARG, S. DURCOK. - In: PRAMANA-JOURNAL OF PHYSICS. - ISSN 0304-4289. - STAMPA. - 41:(1993), pp. 67-73. [10.1007/BF02847319]

Electronic Structure of a superconducting Bi2212 Crystal by angle resolved ultra violet photoemission

SAINI, Naurang Lal;
1993

Abstract

The electronic structure of a high quality superconducting Bi2Sr2CaCu2O8+delta (Bi2212) single crystal is studied by angle resolved ultra violet photoemission (ARUPS) using He I (21.2 eV). Our results appear to show two bands crossing the Fermi level in GAMMAX direction of the Brillouin zone as reported by Takahashi et al. The bands at higher binding energy do not show any appreciable dispersion. The nature of the states near the Fermi level is and the observed band structure is compared with the band structure calculations.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/133771
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