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The Positive and Negative Magnetodielectric Effects in Double Perovskite Pr 2 CoMnO 6
Author(s) -
Wang Liao Yu,
Li Qian,
Gong Yuan Yuan,
Wang Dun Hui,
Cao Qing Qi,
Du You Wei
Publication year - 2014
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/jace.13009
Subject(s) - magnetoresistance , perovskite (structure) , materials science , dielectric , condensed matter physics , colossal magnetoresistance , chemistry , magnetic field , crystallography , physics , optoelectronics , quantum mechanics
The magnetic, electric, and dielectric properties of a B‐site ordered double perovskite Pr 2 CoMnO 6 were investigated. A charge localization state and a negative magnetoresistance effect were observed below 250 K. Different from other double perovskites, one negative and two positive magnetodielectric effects were simultaneously observed in this sample. The physical origins of these interesting magnetodielectric properties were discussed.