Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0038-1098(01)00450-1
Title: The effects of Cu doping on the magnetoresistive behavior of perovskites La0.7Ca0.3MnO3
Authors: Yuan, C.L. 
Zhu, Y. 
Ong, P.P. 
Keywords: A. Magnetically ordered materials
D. Electric transport
D. Magnetoresistance
Issue Date: 30-Nov-2001
Citation: Yuan, C.L., Zhu, Y., Ong, P.P. (2001-11-30). The effects of Cu doping on the magnetoresistive behavior of perovskites La0.7Ca0.3MnO3. Solid State Communications 120 (12) : 495-499. ScholarBank@NUS Repository. https://doi.org/10.1016/S0038-1098(01)00450-1
Abstract: The electronic and magnetic properties of Cu-doped perovskite La0.7Ca0.3Mn1-xCux O3 obtained by doping Cu on its Mn sites have been studied. The perovskite structure was found to remain intact up to the highest doping level of x = 0.20. At low Cu concentration (x = 0.05) the temperature-dependence of resistivity of the material exhibited up to two peaks corresponding to the magnetic transitions from the PM to the FM phase, and from the FM to the AFM phase. In general, the doping level was found to suppress the ferromagnetic ordering of the material, increase its resistivity, and produce large values of magnetoresistance near the resistivity peak. These results were explained as due to the formation of the antiferromagnetic phase. © 2001 Published by Elsevier Science Ltd.
Source Title: Solid State Communications
URI: http://scholarbank.nus.edu.sg/handle/10635/98263
ISSN: 00381098
DOI: 10.1016/S0038-1098(01)00450-1
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