Magnetization reversal study of Ni4-xZnNbOcompounds using Monte Carlo simulations.

J Phys Condens Matter

Instituto de Física Enrique Gaviola (IFEG-CONICET), Ciudad Universitaria, 5000 Córdoba, Argentina.

Published: September 2023

The magnetization reversal (MR) of the layered Ni4-xZnNbOferrimagnetic compounds, withx=0,0.25,0.50and 0.75, is studied in this work using Monte Carlo (MC) simulations and mean field (MF) calculations. First, we analyze the parent compound to set the parameters of our simulations; testing together MC simulations, MF calculations, and MR experiments reported by Bolletta(2022153901). Then using two different approaches we fit the MR curves of the series of compounds finding a quite good agreement between MC simulations and the experiments. According to these results, Zn substitutions change the relative contribution to the magnetization of the different layers. Here we present two possible hypotheses to explain this effect; one involving a heterogeneous distribution of Znamong the layers, and the other related to distortions of the NiOoctahedra.

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http://dx.doi.org/10.1088/1361-648X/acf986DOI Listing

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