11.07.2015 Views

E - 磁学国家重点实验室 - 中国科学院物理研究所

E - 磁学国家重点实验室 - 中国科学院物理研究所

E - 磁学国家重点实验室 - 中国科学院物理研究所

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Typical CMR behavior in La 0.65(CaPb) 0.35MnO 380002.50.860002.0H=0T0.70.64πM (Gauss)40002000H≈0 TH=5.5 TResistivty (Ωcm)1.51.00.55.5T[R(0)-R(H)]/R(0)0.50.40.30.20.100 100 200 300 400Temperature (K)0.00 100 200 300 400Temperature (K)0.00 100 200 300 400Temperature (K)Magnetic field align magnetic moment(spin)⇒Decrease resistance

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