EPJ Web of Conferences
Volume 40, 2013JEMS 2012 – Joint European Magnetic Symposia
|Number of page(s)||4|
|Section||Perovskites and multiferroics|
|Published online||14 January 2013|
Magnetic Properties of La0.9Ag0.1(Mn1-xCox)O3 under Pressure
Institute of Experimental Physics SAS, Watsonova 47, 040 01 Košice, Slovak Republic
2 Institute of Physics ASCR, v.v.i., Na Slovance 2, 182 21 Prague 8, Czech Republic
3 Institute for Chemical Technology of Inorganic Materials, Johannes Kepler University, 4040 Linz, Austria
In our paper we report on magnetic properties of La0.90Ag0.10(CoxMn1-x)O3 ferromagnetic ceramics (x = 0.00 and0.03) which were studied in pressures up to 0.9 GPa. Magnetic transition at the Curie temperature TC is accompanied with metal insulator transition with a maximum at T* which is shifted to lower temperature with applied magnetic field. The Curie temperature is decreasing with substitution of Co for Mn and is ranging from 178 K to 126.5 K. Hydrostatic pressure increases TC for sample with x = 0.03 nearly linearly with the pressure coefficient dTc/dp = 5.7 K/GPa. Hysteresis loop is affected marginally; µs increases and Hc decreases with pressure.
© Owned by the authors, published by EDP Sciences, 2013
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