Bilayer Splitting in the Electronic Structure of Heavily Overdoped Bi{sub 2}Sr{sub 2}CaCu{sub 2}O

Journal Article · Mon Jun 11 04:00:00 EDT 2001 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.86.5550· OSTI ID:40204634

Feng, D L; Armitage, N P; Lu, D H; Damascelli, A; Hu, J P; Bogdanov, P; Lanzara, A; Ronning, F; Shen, K M; Eisaki, H ^[1]

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1. and others

The electronic structure of heavily overdoped Bi{sub 2}Sr {sub 2}CaCu{sub 2}O{sub 8+{delta}} is investigated by angle-resolved photoemission spectroscopy. The long-sought bilayer band splitting in this two-plane system is observed in both normal and superconducting states, which qualitatively agrees with the bilayer Hubbard model calculations. The maximum bilayer energy splitting is about 88meV for the normal state feature, while it is only about 20meV for the superconducting peak.

• Sponsoring Organization: (US)
• OSTI ID: 40204634
• Journal Information: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 24 Vol. 86; ISSN 0031-9007
• Publisher: The American Physical Society
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ELECTRONIC STRUCTURE
HUBBARD MODEL
PHOTOEMISSION
SPECTROSCOPY