MONTE CARLO STUDY OF MULTILAYER FILMS USING ANISOTROPIC EXTENDED HEISENBERG MODEL WITH DIPOLAR INTERACTION

Using the Monte Carlo technique, we study the multilayer Heisenberg thin film with long range dipolar interactions, in order to investigate the antiferromagnetic basal layer influence on the superior layers. We find out that the basal layer's influence over the magnetic ordering of the superior layers is dependent on the distance between that layer and the basal layer, and the exchange anisotropy discontinuity has a direct effect on the critical temperatures associated with the magnetic phase transitions that can occur for different settings of the investigated system physical parameters. In the intermediate dipolar parameter region, due to antiferromagnetic ordering of the basal layer spins, we found out the mixed phase appearance in the superior layers and we relieved two phase transitions which can take place in the system, the critical temperature we obtained by studying the specific heat and the magnetic susceptibility, respectively, being in good agreement.

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Monte Carlo study of magnetic phase transitions in a model forFeCl2

Physical Review B ◽

10.1103/physrevb.47.2602 ◽

1993 ◽

Vol 47 (5) ◽

pp. 2602-2606 ◽

Cited By ~ 16

Author(s):

Laura Hernández ◽

H. T. Diep ◽

D. Bertrand

Keyword(s):

Monte Carlo ◽

Phase Transitions ◽

Magnetic Phase ◽

Monte Carlo Study ◽

Magnetic Phase Transitions

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Sign-Problem-Free Quantum Monte Carlo Study on Thermodynamic Properties and Magnetic Phase Transitions in Orbital-Active Itinerant Ferromagnets

Physical Review X ◽

10.1103/physrevx.5.021032 ◽

2015 ◽

Vol 5 (2) ◽

Cited By ~ 10

Author(s):

Shenglong Xu ◽

Yi Li ◽

Congjun Wu

Keyword(s):

Monte Carlo ◽

Phase Transitions ◽

Thermodynamic Properties ◽

Quantum Monte Carlo ◽

Magnetic Phase ◽

Monte Carlo Study ◽

Magnetic Phase Transitions ◽

Sign Problem ◽

Itinerant Ferromagnets

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Magnetic phase transitions of phosphorene-like nano-structure: Monte Carlo study

The Philosophical Magazine A Journal of Theoretical Experimental and Applied Physics ◽

10.1080/14786435.2021.1936260 ◽

2021 ◽

pp. 1-13

Author(s):

T. Sahdane ◽

S. Mtougui ◽

F. Goumrhar ◽

N. Mamouni ◽

E. Salmani ◽

...

Keyword(s):

Monte Carlo ◽

Phase Transitions ◽

Magnetic Phase ◽

Monte Carlo Study ◽

Magnetic Phase Transitions ◽

Nano Structure

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Monte Carlo study on bilayer thin films magnetic properties dependence with discontinouos anisotropy parameters

Open Physics ◽

10.2478/s11534-008-0014-4 ◽

2008 ◽

Vol 6 (2) ◽

Cited By ~ 1

Author(s):

Eugen Bîrsan

Keyword(s):

Thin Films ◽

Monte Carlo ◽

Magnetic Properties ◽

Magnetic Ordering ◽

Monte Carlo Study ◽

Base Layer ◽

Model Parameters ◽

Critical Temperatures ◽

Out Of Plane ◽

Anisotropy Parameters

AbstractIn the last few years there has been significant interest in the field of thin films, due to numerous specific phenomena related to the low dimension of these systems, and to the large opportunities in development of high technologies based on their specific magnetic and electronic properties. When dealing with systems of reduced dimensionality it is important to take into account the influence of magnetic anisotropies. In this paper we investigate the magnetic properties of bilayer thin film. This behavior is modeled using Monte Carlo simulations, in the Extended Anisotropic Heisenberg Model. The magnetization, out-of-plane and in-plane magnetic susceptibilities, and also the specific heat bearings according to temperature are investigated in order to find the potential magnetic ordering phases and the critical temperatures, for two sets parameter assignments. For quasi-uniform anisotropy parameters of the film we detect the ferromagnetism-paramagnetism transition and then, by changing the model parameters values, we relieve a short range ferromagnetic ordering phase arising from the antiferromagnetic base layer coupling influence and from easy-plane anisotropy discontinuity on the layers interface.

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Surface behavior of magnetic phase transitions: A Monte Carlo study

Applied Surface Science ◽

10.1016/j.apsusc.2017.08.063 ◽

2018 ◽

Vol 432 ◽

pp. 78-84 ◽

Cited By ~ 9

Author(s):

R. Masrour ◽

A. Jabar

Keyword(s):

Monte Carlo ◽

Phase Transitions ◽

Magnetic Phase ◽

Monte Carlo Study ◽

Magnetic Phase Transitions ◽

Surface Behavior

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Monte Carlo Study of Magnetostructural Phase Transitions in Ni50Mn25+xSb25-x Heusler Alloys

Solid State Phenomena ◽

10.4028/www.scientific.net/ssp.154.139 ◽

2009 ◽

Vol 154 ◽

pp. 139-144 ◽

Cited By ~ 1

Author(s):

V.V. Sokolovskiy ◽

Vasiliy D. Buchelnikov ◽

Sergey Taskaev

Keyword(s):

Monte Carlo ◽

Phase Transitions ◽

Monte Carlo Simulations ◽

Magnetic Phase ◽

Heusler Alloys ◽

Monte Carlo Study ◽

Magnetic Phase Transitions ◽

Antiferromagnetic Exchange ◽

Magnetization Curves ◽

Model Hamiltonian

On the basis of Monte Carlo simulations, we investigate the temperature dependence of magnetization of Ni-Mn-Sb Heusler alloys, in which the part of the Mn atoms interact antiferromagnetically. It is shown that this antiferromagnetic exchange is responsible for existence of several magnetic phase transitions in the Heusler alloys. For a certain set of parameters of the model Hamiltonian we obtain coupled martensitic and magnetic phase transitions. Results of simulations agree in an excellent way with the experimental magnetization curves.

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