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Anomalies in the superconducting dome of the Bi-cuprates
L. Dudy, A. Krapf, H. Dwelk +5
We report characterization results by energy dispersive x-ray analysis and AC-susceptibility for a statistically relevant number of single layer Bi-cuprate single crystals. We show…
Structural behavior of PbBiSrLaCuO for 0<y<0.53
O. Lübben, L. Dudy, A. Krapf +2
In the Bi cuprates, the presence of a near 15 superstructure is well known. Usually, this superstructure is suppressed by the substitution of lead, but there have been repo…
Charge modulation driven Fermi surface of Pb-Bi2201
L. Dudy, B. Mueller, B. Ziegler +7
It is well known that the (1x5) superstructure of Bi cuprate superconductors will be suppressed due to optimum doping with Pb. Nevertheless, a Fermi surface map of (Pb,La)-Bi2201 (…
Fermi surface and superconducting gap of triple-layered Bi2Sr2Ca2Cu3O10+d
R. Mueller, C. Janowitz, M. Schneider +7
We present a comprehensive study performed with high-resolution angle-resolved photoemission spectroscopy on triple-layered Bi2Sr2Ca2Cu3O10+d single crystals. By measurements above…
Unusual electronic ground state of a prototype cuprate: band splitting of single CuO_2-plane Bi_2 Sr_(2-x) La_x CuO_(6+delta)
C. Janowitz, R. Mueller, L. Dudy +4
By in-situ change of polarization a small splitting of the Zhang-Rice singlet state band near the Fermi level has been resolved for optimum doped (x=0.4) BiSrLa…