EPJ Web Conf.
Volume 185, 2018Moscow International Symposium on Magnetism (MISM 2017)
|Number of page(s)||4|
|Section||Magnetic Semiconductors and Oxides|
|Published online||04 July 2018|
Magnetic properties of Pb1-x-ySnxVyTe alloys
M.V. Lomonosov Moscow State University, Faculty of Physics, 119991 Moscow, Russia
2 M.V. Lomonosov Moscow State University, Faculty of Chemistry, 119991 Moscow, Russia
3 I.M. Frantsevich Institute of Materials Science Problems, NAS of Ukraine, 58001 Chernivtsi, Ukraine
* Corresponding author : firstname.lastname@example.org
Published online: 4 July 2018
We study the field and temperature dependences of the magnetization (B≤7.5 T, T=2.0-75 K) of samples from a single crystal Pb1-x-ySnxVyTe (x=0.08, y=0.01) ingot synthesized by the Bridgman method. It is established that the magnetization of the samples contains two main contributions: the Brillouin-type paramagnetism of vanadium ions and the diamagnetism of the crystal lattice. Experimental field and temperature dependences of the magnetization are discussed in the framework of a theoretical model of electronic structure rearrangement in Pb1-x-ySnxVyTe with doping and approximated as the sums of two terms based on the modified Brillouin functions for vanadium ions in the V3+ and V2+ states. The concentrations of magnetically active vanadium ions in two different charge states with increasing impurity concentration along the ingot are determined.
© The Authors, published by EDP Sciences, 2018
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