Anomalous magnetism of La2CuO4+x single crystals |
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| Authors: | A. A. Nikonov O. E. Parfenov |
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| Affiliation: | (1) Russian Research Center Kurchatov Institute, pl. Kurchatova 1, Moscow, 123182, Russia |
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| Abstract: | Measurements of the differential magnetic susceptibility are performed to study the changes in the magnetic properties of La2CuO4+x due to oxygen doping in the concentration interval 0<x<0.011. For crystals with 0.005<x<0.011, a ferromagnetic-type phase transition is observed at T c >T N , and it occurs even in crystals with T N ～0. The concentration dependence of the transition temperature T c (x) is obtained. |
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