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arXiv · 1706.07836

Fermi Surface reconstruction and anomalous low temperature resistivity in electron-doped La2-xCexCuO4

Tarapada Sarkar·P. R. Mandal·J. S. Higgins·Yi Zhao·Heshan Yu·Kui Jin·Richard L. Greene
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Abstract

We report ab-plane Hall Effect and magnetoresistivity measurements on La2-xCexCuO4 thin films as a function of doping for magnetic fields up to 14T and temperatures down to 1.8K. A dramatic change in the low temperature (1.8 K) normal state Hall coefficient is found near a doping Ce=0.14. This, along with a nonlinear Hall resistance as a function of magnetic field, suggests that the Fermi surface reconstructs at a critical doping of Ce= 0.14. A competing antiferromagnetic phase is the likely cause of this Fermi surface reconstruction. Low temperature linear-in-T resistivity is found at Ce=0.14, but anomalously, also at higher doping. We compare our data with similar behavior found in hole-doped cuprates at a doping where the pseudogap ends

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Tarapada Sarkar, P. R. Mandal, J. S. Higgins, Yi Zhao, Heshan Yu, Kui Jin, Richard L. Greene. 2017-06-23. Fermi Surface reconstruction and anomalous low temperature resistivity in electron-doped La2-xCexCuO4. https://doi.org/10.1103/physrevb.96.155449

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