Work supported in part by US Department of Energy contract DE-AC02-76SF00515. Analysis of the spectral function of Nd1.85Ce0.15CuO4, obtained by angle resolved photoemission spectroscopy
نویسندگان
چکیده
Samples of Nd2−xCexCuO4, an electron-doped high temperature superconducting cuprate (HTSC), near optimal doping at x = 0.155 were measured via angle resolved photoemission (ARPES). We report a renormalization feature in the self energy (“kink”) in the band dispersion at ≈ 50 − 60 meV present in nodal and antinodal cuts across the Fermi surface. Specifically, while the kink had been seen in the antinodal region, it is now observed also in the nodal region, reminiscent of what has been observed in hole-doped cuprates.
منابع مشابه
Work supported in part by US Department of Energy contract DE-AC02-76SF00515. Bogoliubov Angle, Particle-Hole Mixture and Angular Resolved Photoemission Spectroscopy in Superconductors
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