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Normal state magnetoresistance in stable magnetic fields up to 20 T in single crystalline La1.76Sr0.24CuO4 |
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| Authors: | SL Yuan JL Chen X Sun Y Chen Z Huang P Tang G Li S Wang LR Ding FT Wang ZM Liu ZY Chen Q Chen WF Yuan BJ Gao |
| Affiliation: | High Magnetic Field Laboratory, Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, Hefei 230031, China |
| Abstract: | The in-plane normal state resistance Rn(T, H) in an overdoped La2?xSrxCuO4 crystal (x = 0.24) has been measured in magnetic fields up to 20 T parallel to the c-axis. The Rn(T) curves in constant fields show a quadratic behavior in a wide range of temperature above Tc(H). Some characteristic features in Rn(H) are observed. In the low-field region Rn(H) increases with increasing H, reaches a maximum and then decreases with further increasing H. Possible origins for the observed unusual Rn(T, H) behavior are discussed. |
| Keywords: | High Tc superconductor Normal state resistance Magnetoresistance |
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