Origin of the anomalous low temperature upturn in the resistivity of the electron-doped cuprate superconductors

The temperature, doping, and field dependences of the magnetoresistance (MR) in Pr2-xCexCuO4-delta films are reported. We distinguish between orbital MR, found when the magnetic field is applied perpendicular to the ab planes, and the nearly isotropic spin MR. The latter, the major MR effect in the...

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Bibliographic Details
Published in:Physical review letters 2005-02, Vol.94 (5), p.057005-057005, Article 057005
Main Authors: Dagan, Y, Barr, M C, Fisher, W M, Beck, R, Dhakal, T, Biswas, A, Greene, R L
Format: Article
Language:English
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Summary:The temperature, doping, and field dependences of the magnetoresistance (MR) in Pr2-xCexCuO4-delta films are reported. We distinguish between orbital MR, found when the magnetic field is applied perpendicular to the ab planes, and the nearly isotropic spin MR. The latter, the major MR effect in the superconducting samples, appears in the region of the doping-temperature phase diagram where drho/dT
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.94.057005