Weak magnetic order in the normal state of the high-Tc superconductor La2-xSrxCuO4.
We report magnetization measurements in the normal state of the high transition temperature (high-Tc) superconductor La2-xSrxCuO4. A magnetic order in the form of hysteresis in the low-field magnetization is observed at temperatures well above Tc. The doping (x) dependence of the onset and strength of this order follows Tc(x) and falls within the pseudogap regime.
Panagopoulos
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Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, United Kingdom.
Majoros
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Nishizaki
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Iwasaki
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