High-field Hall resistivity and magnetoresistance in electron-doped Pr_2-xCe_xCuO_{4-δ}

Details High-field Hall resistivity and magnetoresistance in electron-doped Pr_2-xCe_xCuO_{4-δ} High-field Hall resistivity and magnetoresistance in electron-doped Pr_2-xCe_xCuO_{4-δ}

2007-02-22

arxiv.org/abs/cond-mat/0702534v2

Phys. Rev. Lett. 99, 047003 (2007)

Physics

Condensed Matter

Superconductivity

PRL in press

Scientific paper

10.1103/PhysRevLett.99.047003

We report resistivity and Hall effect measurements in electron-doped Pr$_{2-x}$Ce$_{x}$CuO$_{4-\delta}$ films in magnetic field up to 58 T. In contrast to hole-doped cuprates, we find a surprising non-linear 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.

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