An effective-field theory study of trilayer Ising nanostructure: Thermodynamic and magnetic properties

Santos, J.P.; Barreto, F. C. Sá

doi:10.1016/j.jmmm.2017.05.017

Cited by 45 publications

(10 citation statements)

References 46 publications

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“…Among the few examples found in the literature, we mention an alternating spin-1/2, -1, and -3/2 Ising three-layered superlattice which was studied both in a mean-field approach [50] and through MC simulations [51]. We also cite a spin-1/2 Ising hexagonal lattice trilayer analyzed within the EFA [52] and a spin-1/2 Ising square lattice trilayer analyzed within both the MFA and the EFA [53].…”

Section: Introductionmentioning

confidence: 99%

Compensation temperature in spin-1∕2 Ising trilayers: A Monte Carlo study

Diaz

Branco

2020

Physica A: Statistical Mechanics and its Applications

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We study the magnetic and thermodynamic properties of a spin-1/2 Ising system containing three layers, each of which is composed exclusively of one out of two possible types of atoms, A or B. The A-A and B-B bonds are ferromagnetic while the A-B bonds are antiferromagnetic. The study is performed through Monte Carlo simulations using the Wolff algorithm and the data are analyzed with the aid of the multiple-histogram reweighting technique and finite-size scaling tools. We verify the occurrence of a compensation phenomenon and obtain the compensation and critical temperatures of the model as functions of the Hamiltonian parameters. The influence of each parameter on the overall behavior of the system is discussed in detail and we present our results in the form of phase diagrams dividing the parameter space in regions where the compensation phenomenon is present or absent. Our results may provide invaluable information for experimentalists seeking to build materials with desired characteristics. *

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Section: Introductionmentioning

confidence: 99%

Compensation temperature in spin-1∕2 Ising trilayers: A Monte Carlo study

Diaz

Branco

2020

Physica A: Statistical Mechanics and its Applications

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“…The shell can change the surface charge density, functional groups, reactivity, biocompatibility, and stability of these composite structures [15][16][17][18]. In recent papers, the authors paid attention to the investigation of the magnetic properties using Monte Carlo simulations and relevant results were found such as the compensation temperature and the transition temperature between the ferrimagnetic and paramagnetic phases [19][20][21][22][23][24][25][26][27][28][29][30][31].…”

Section: Introductionmentioning

confidence: 99%

Compensation Temperature Behavior in a Nanotube Core-Shell Structure with RKKY Interactions: Monte Carlo Simulations

et al. 2020

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In this paper, we have studied the magnetic properties of the nanotube core-shell structure with RKKY (Ruderman-Kittel-Kasuya-Yosida) interactions, using Monte Carlo simulations (MCS). The system consists of hexagonal core-shell nanotube structure with mixed spins σ = ± 3/2, ± 1/2 (of the core) and S = ±1, 0 (of the shell), separated by non-magnetic nanotubes. Initially, we start this study by discussing for zero temperature, the ground-state phase diagrams in different planes. Moreover, we investigate for the positive temperature values, the effect of the RKKY interactions on the thermal magnetization and magnetic susceptibility of the system. Additionally, we study the effects of the exchange coupling interactions of the core and of the shell on the compensation and transition temperatures. Finally, we explore the behavior of the magnetic hysteresis cycles as a function of the non-magnetic nanotubes number, the temperature, and the exchange coupling parameters.

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“…From the experimental point of view, single layer, double layer and few (3 to 10) layer honeycomb structures are classified as three different types of 2D crystals, and thin film limit is reached for thicker systems [7]. In this regard, investigation of magnetic properties of graphenelike multilayers gained particular attention, and a wide variety of such systems have been successfully modeled within the framework of Ising model and its variants [19,20,21,22,23]. For instance, using the effective field theory (EFT) formalism, Jiang and coworkers [21] investigated the magnetic properties such as magnetization and the magnetic susceptibility of a nanographene bilayer.…”

Section: Introductionmentioning

confidence: 99%

“…For instance, using the effective field theory (EFT) formalism, Jiang and coworkers [21] investigated the magnetic properties such as magnetization and the magnetic susceptibility of a nanographene bilayer. For a trilayer Ising nanostructure, EFT calculations have been performed and from the thermal variations of the total magnetization, six distinct compensation types have been reported by Santos and Sá Barreto [22]. In a recent paper, Kaneyoshi [23] investigated the magnetic behavior of an Ising bilayer with non-magnetic inter-layers.…”

Section: Introductionmentioning

confidence: 99%

Monte Carlo simulation of equilibrium and dynamic phase transition properties of an Ising bilayer

Yüksel

2018

Eur. Phys. J. B

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Magnetic properties of an Ising bilayer system defined on a honeycomb lattice with non-magnetic interlayers which interact via an indirect exchange coupling have been investigated by Monte Carlo simulation technique. Equilibrium properties of the system exhibit ferrimagnetism with P -, N-and Q-type behaviors. Compensation phenomenon suddenly disappears with decreasing strength of indirect ferrimagnetic interlayer exchange coupling. Qualitative properties are in a good agreement with those obtained by effective field theory. In order to investigate the stochastic dynamics of kinetic Ising bilayer, we have introduced two different types of dynamic magnetic fields, namely a square wave, and a sinusoidally oscillating magnetic field form. For both field types, compensation point and critical temperature decrease with increasing amplitude and field period. Dynamic ferromagnetic region in the presence of square wave magnetic field is narrower than that obtained for sinusoidally oscillating magnetic field when the amplitude and the field period are the same for each type of dynamic magnetic fields.

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An effective-field theory study of trilayer Ising nanostructure: Thermodynamic and magnetic properties

Cited by 45 publications

References 46 publications

Compensation temperature in spin-1∕2 Ising trilayers: A Monte Carlo study

Compensation temperature in spin-1∕2 Ising trilayers: A Monte Carlo study

Compensation Temperature Behavior in a Nanotube Core-Shell Structure with RKKY Interactions: Monte Carlo Simulations

Monte Carlo simulation of equilibrium and dynamic phase transition properties of an Ising bilayer

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