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Analysis of the Magnetization as a Function of the Magnetic Field at the Transition Temperature for La0.6Nd0.4Mn2Si2
Date
2015-03-01
Author
Yurtseven, Hasan Hamit
Doğan, Ezgi
Emre, B.
Acet, M.
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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We analyze in this study our experimental data for the magnetization (M) as a function of the magnetic field (H) at various constant temperatures for the multilayer structure of La Nd-0.6 Mn-0.4 Si-2 (2) close to the ferromagnetic-antiferromagnetic transitions. This analysis is performed at the transition temperatures (T (c)) for the M vs. H- H (c) (H (c) is the critical field) according to a power-law formula above and below H (c), and the values of the critical isotherm delta are deduced for La Nd-0.6 Mn-0.4 Si-2 (2). We also calculate the magnetic field (H- H (c)) dependence of the isothermal susceptibility chi (T) at constant temperatures above and below H (c), and we obtain the critical behaviour of chi (T) for this multilayer structure. Our delta values indicate that the ferromagnetic-antiferromagnetic transition in La Nd-0.6 Mn-0.4 Si-2 (2) changes its character from a first order (discontinuous) toward a second-order (continuous) one as the constant temperature changes.
Subject Keywords
Magnetization
,
Isothermal susceptibility
,
Ferromagnetic-antiferromagnetic transitions
,
La0.6Nd0.4Mn2Si2
,
RMN2GE2 COMPOUNDS
,
MN
,
BEHAVIOR
URI
https://hdl.handle.net/11511/38060
Journal
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
DOI
https://doi.org/10.1007/s10948-014-2697-7
Collections
Department of Physics, Article