Abstract

We present the transport properties of the low-temperature normal-state for strained La2−xSrxCuO4 (LSCO) films achieved by suppressing superconductivity with high magnetic fields up to 50 T. Systematic measurements were performed on six MBE grown films with three different doping levels (underdope, optimumdope, and overdope) and also with either compressive or tensile epitaxial strain. The results showed that the low-temperature semiconducting upturn observed in under- or optimum-doped LSCO bulk single crystals is significantly suppressed by in-plane compressive strain.

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