Fermi Surface of Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8}
Journal Article
·
· Physical Review Letters
- Department of Physics, University of Illinois at Chicago, Chicago, Illinois 60607 (United States)
- Materials Sciences Division, Argonne National Laboratory, Argonne, Illinois 60439 (United States)
- Tata Institute of Fundamental Research, Mumbai 400005, (India)
- Department of Physics, Tohoku University, 980-8578 Sendai, (Japan)
- Institute of Materials Science, University of Tsukuba, Ibaraki 305, (Japan)
We study the Fermi surface of Bi{sub 2}Sr {sub 2}CaCu{sub 2}O{sub 8} using angle resolved photoemission spectroscopy (ARPES) with a momentum resolution of {approx}0.01 of the Brillouin zone. We show that, contrary to recent suggestions, the ARPES derived Fermi surface is a large hole barrel centered at ({pi}, {pi}) , independent of the incident photon energy. We caution that the photon energy and k dependence of the matrix elements, if not properly accounted for, can lead to misinterpretation of ARPES intensities. (c) 2000 The American Physical Society.
- OSTI ID:
- 20216443
- Journal Information:
- Physical Review Letters, Vol. 84, Issue 19; Other Information: PBD: 8 May 2000; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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