| Issue |
Europhys. Lett.
Volume 51, Number 1, July I 2000
|
|
|---|---|---|
| Page(s) | 103 - 109 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2000-00342-y | |
| Published online | 01 September 2002 | |
Temperature-dependent photoemission features
for overdoped 
cuprates
1
Physics Department, University of Wisconsin - Madison, WI
53706, USA
2
Institut de Physique Appliquée, École Polytechnique
Fédérale
Lausanne CH-1015 Lausanne, Switzerland
Received:
2
February
2000
Accepted:
5
May
2000
We report temperature-dependent angle-resolved photoemission spectra
for
overdoped
single-crystal samples. The data indicate that there is a
special temperature (T+) where the spectral function changes
intensity, and where the energy
difference between the peak and dip features changes. The data also
demonstrate that immediately
above the superconducting transition temperature, the system exhibits a non-Lorentzian
lineshape. We discuss implications of the data.
PACS: 74.25.Jb – Electronic structure / 74.72.Hs – Bi-based cuprates / 79.60.Bm – Clean metal, semiconductor, and insulator surfaces
© EDP Sciences, 2000
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