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Structural origin of apparent Fermi surface pockets in angle-resolved photoemission of BiSrLaCuO
P. D. C. King, J. A. Rosen, W. Meevasana +11
We observe apparent hole pockets in the Fermi surfaces of single-layer Bi-based cuprate superconductors from angle-resolved photoemission (ARPES). From detailed low-energy electron…
Momentum-Resolved Ultrafast Electron Dynamics in Superconducting Bi2Sr2CaCu2O8+delta
R. Cortes, L. Rettig, Y. Yoshida +3
The non-equilibrium state of the high-Tc superconductor Bi2Sr2CaCu2O8+delta and its ultrafast dynamics have been investigated by femtosecond time- and angle-resolved photoemission…
Absence of an appreciable iron isotope effect on the transition temperature of the optimally doped SmFeAsO_{1-y} superconductor
Parasharam M. Shirage, Kiichi Miyazawa, Kunihiro Kihou +5
We report the iron (Fe) isotope effect on the transition temperature (Tc) in the oxygen-deficient SmFeAsO_{1-y}, a 50 K-class Fe-based superconductor. For the optimally-doped sampl…