Journal
PHYSICAL REVIEW B
Volume 66, Issue 1, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.66.014502
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A detailed and systematic angle-resolved photoemission spectroscopy investigation of the doping dependence of the normal-state Fermi surface (FS) of modulation-free (Pb,Bi)-2212 is presented. The FS does not change in topology away from hole like at any stage. The FS area does not follow the usual curve describing T-c vs x for the hole-doped cuprates, but is downshifted in doping by ca. 0.05 holes per Cu site, indicating the consequences of a significant bilayer splitting of the FS across the whole doping range. The strong k dependence of the FS width is shown to be doping independent. The relative strength of the shadow FS has a doping dependence mirroring that of T-c.
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