Issue |
EPJ Web of Conferences
Volume 40, 2013
JEMS 2012 – Joint European Magnetic Symposia
|
|
---|---|---|
Article Number | 15007 | |
Number of page(s) | 4 | |
Section | Perovskites and multiferroics | |
DOI | https://doi.org/10.1051/epjconf/20134015007 | |
Published online | 14 January 2013 |
https://doi.org/10.1051/epjconf/20134015007
Magnetic properties of NdMn1-xFexO3+δ system
1
Institute of Experimental Physics SAS,
Watsonova 47,
040 01
Košice, Slovak
Republic
2
Institute of Nuclear Physics Polish Academy of
Sciences, Radzikowskiego 152, 31-342
Kraków,
Poland
3
P. J. Šafárik University, Moyzesova 11, 041 54
Košice, Slovak
Republic
Magnetization, AC susceptibility and specific heat measurements were performed on polycrystalline NdMn1-xFexO3+δ compounds (x = 0.0, 0.1 and 0.2). Substitution of Fe for Mn reduces the Néel temperature TN, which is associated with magnetic ordering of Mn sublattice, from 85.5 K to 57.0 K. The temperature dependence of magnetization for x = 0.2 exhibits the compensation temperature and the pole inversion below Tcomp = 26.7(5) K. Initial magnetization curves present a remnant magnetization in the ordered region with the sign of remnant magnetization depending on temperature. The substitution of Fe for Mn changes hysteresis loop of NdMnO3+δ from the ferromagnetic-like one (μ0Hc = 0.09 T) by expanding the width of the loop (μ0Hc = 0.55 T) for x = 0.1 and then shrinking the central part of the loop to “butterfly” type (μ0Hc = 0.35 T) for x = 0.2.
© Owned by the authors, published by EDP Sciences, 2013
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