Anomalous Magnetic and Thermal Behavior in Some RMn2O5 Oxides

(2) Department of Solid State Physics; B. K. Chaudhuri (2); C. C. Chou (1); C. J. Ho (1); C. L. Huang (1); C. P. Sun (1); H. D. Yang (1) ((1) Department of physics; India); Indian Association for the Cultivation of Science; Kaohsiung

arxiv: cond-mat/0512293 · v1 · submitted 2005-12-14 · ❄️ cond-mat.mtrl-sci

Anomalous Magnetic and Thermal Behavior in Some RMn2O5 Oxides

C. L. Huang (1) , C. C. Chou (1) , C. J. Ho (1) , C. P. Sun (1) , B. K. Chaudhuri (2) , H. D. Yang (1) ((1) Department of physics , National Sun Yat-sen University , Kaohsiung

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Taiwan (2) Department of Solid State Physics Indian Association for the Cultivation of Science Kolkata India)

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classification ❄️ cond-mat.mtrl-sci

keywords magneticrmn2o5behaviorindicatingoxidesanalysisanomaliesanomalous

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The RMn2O5 (R=Pr, Nd, Sm, and Eu) oxides showing magnetoelectric (ME) behavior have been prepared in polycrystalline form by a standard citrate route. The lattice parameters, obtained from the powder XRD analysis, follow the rare-earth contraction indicating the trivalent character of the R ions. Cusp-like anomalies in the magnetic susceptibility curve and sharp peaks in the specific heat were reported at the corresponding temperatures in RMn2O5 (R=Pr, Nd, Sm, and Eu) indicating the magnetic or electric ordering transitions.

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Anomalous Magnetic and Thermal Behavior in Some RMn2O5 Oxides

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