High-field Hall resistivity and magnetoresistance of electron-doped Pr2-xCexCuO4-delta.
We report resistivity and Hall effect measurements in electron-doped Pr2-xCexCuO4-delta films in magnetic field up to 58 T. In contrast to hole-doped cuprates, we find a surprising nonlinear magnetic field dependence of Hall resistivity at high field in the optimally doped and overdoped films. We also observe a crossover from quadratic to linear field dependence of the positive magnetoresistance in the overdoped films. A spin density wave induced Fermi surface reconstruction model can be used to qualitatively explain both the Hall effect and magnetoresistance.
Center for Superconductivity Research and Department of Physics, University of Maryland, College Park, Maryland 20742-4111, USA.
Pengcheng
P
Li
F F
FF
Balakirev
R L
RL
Greene