Volume 51, Number 1, July I 2000
|Page(s)||103 - 109|
|Section||Condensed matter: electronic structure, electrical, magnetic, and optical properties|
|Published online||01 September 2002|
Temperature-dependent photoemission features for overdoped cuprates
Physics Department, University of Wisconsin - Madison, WI
2 Institut de Physique Appliquée, École Polytechnique Fédérale Lausanne CH-1015 Lausanne, Switzerland
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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