Study of magnetic ordering in the perovskite manganites Pr0.6Sr0.4CrxMn1-xO3
Source abstract
Abstract
Powder samples of the ABO3 perovskite manganites Pr0.6Sr0.4CrxMn1-xO3 (0.00≤x≤0.30) were synthesized using the sol-gel method. X-ray diffraction analyses showed that all the samples had a single-phase orthorhombic structure. By analyzing magnetic parameters on the basis of the O2p itinerant electron model, we found that there are two magnetic transition temperatures, TCM and TCP, corresponding to changes in the magnetic ordering for the Mn and Pr cations, respectively. The magnetic moments of Mn3+ and Cr3+ cations within the B sublattice show canted ferromagnetic coupling, and the magnetic moments of the Pr cations within the A sublattice also show canted ferromagnetic coupling. However, the total magnetic moment of the A sublattice shows antiferromagnetic coupling against that of the B sublattice. The assumption of the canted ferromagnetic coupling within the B sublattice was confirmed using magnetoresistance experimental results.
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Research context
OpenAlex topics: Magnetic and transport properties of perovskites and related materials · Multiferroics and related materials · Advanced Condensed Matter Physics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Hebei Normal University 1 Hebei Advanced Thin Film Laboratory, Department of Physics, , Shijiazhuang 050024, People’s Republic of China
Hebei University of Science and Technology 2 School of Sciences, , Shijiazhuang 050018, People’s Republic of China
Funding
National Natural Science Foundation of China
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