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相关论文: Monte Carlo simulations study of the intermetallic…

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Using Monte Carlo Simulations (MCS), based the Metropolis algorithm, we examine in this study, the magnetic properties of the rare earth based compound GdN. In a first step, we discuss and study the ground state phase diagrams explored in…

材料科学 · 物理学 2020-04-14 S. Idrissi , S. Ziti , H. Labrim , L. Bahmad

In this work, a study of the magnetic behavior of the spinel ZnFe2O4 is presented by using the Monte Carlo simulations (MCS). The iron atoms provide the magnetism in this material. In fact, the magnetic spin of moment of the Fe3+ ions is…

材料科学 · 物理学 2020-02-18 R. Khalladi , S. Idrissi , N. El Mekkaoui , H. Labrim , I. El Housni , S. Ziti , S. Mtougui , L. Bahmad

Here, a dynamical Monte-Carlo (DMC) method is used to study temperature-dependent dynamical magnetization of famous Mn2Ni system as typical example of single-chain magnets with strong magnetic anisotropy. Simulated magnetization curves are…

介观与纳米尺度物理 · 物理学 2015-05-21 Jun Li , Bang-Gui Liu

The magnetic properties of Mn-doped ZnO semi-conductor have been investigated using the Monte Carlo method within the Ising model. The temperature dependences of the spontaneous magnetization, specific heat and magnetic susceptibility have…

材料科学 · 物理学 2015-05-28 L. B Drissi , A. Benyoussef , E. H Saidi , M. Bousmina

We investigate the effects of magnetic inhomogeneities and thermal fluctuations on the magnetic properties of a rare earth intermetallic compound, Nd$_2$Fe$_{14}$B. The constrained Monte Carlo method is applied to a Nd$_2$Fe$_{14}$B bulk…

This discussion serves as an introduction to the use of Monte Carlo simulations as a useful way to evaluate the observables of a ferromagnet. Key background is given about the relevance and effectiveness of this stochastic approach and in…

统计力学 · 物理学 2008-03-04 Jacques Kotze

In this paper, we study the critical magnetic properties of the Half Heusler alloy RhCrSi, using Monte Carlo simulations (MCS) under the Metropolis algorithm. In fact, to study this alloy, we apply an Ising model using the MCS simulations,…

材料科学 · 物理学 2021-08-12 S. Idrissi , S. Ziti , H. Labrim , L. Bahmad

Monte Carlo simulations, in which the Schrodinger equation is solved at each Monte Carlo sweep, are employed to assess the influence of magnetization fluctuations,short-range antiferromagnetic interactions, disorder, magnetic polaron…

材料科学 · 物理学 2007-05-23 D. Kechrakos , N. Papanikolaou , K. N. Trohidou , T. Dietl

We employ Monte Carlo techniques, utilizing the Metropolis and Wolff algorithms, to investigate phase behavior and phase transitions in anisotropic Ising models. Our study encompasses the thermodynamic properties, evaluating energy,…

统计力学 · 物理学 2024-12-31 Basit Iqbal , Kingshuk Sarkar

This manuscript presents a model and simulation of the copper chalcopyrite semiconductor CuGaSe2 in order to predict its magnetic properties. In the semiconductor material CuGaSe2 (CGS), the atom Cu is the only magnetic element with a…

材料科学 · 物理学 2019-06-07 S. Idrissi , N. El Mekkaoui , S. Ziti , H. Labrim , R. Khalladi , S. Mtougui , I. Elhousni , L. Bahmad

We have used the Monte Carlo (MC) simulation method with Metropolis algorithm to study the finite temperature phase transition properties of a binary alloy spherical nanoparticle with radius $r$ of the type $A_{p}B_{1-p}$. The system…

统计力学 · 物理学 2017-03-08 Z. D. Vatansever , E. Vatansever

The magnetocaloric effect (MCE) in many rare earth (RE) based intermetallic compounds has been extensively investigated during last two decades, not only due to their potential applications for magnetic refrigeration but also for better…

材料科学 · 物理学 2016-01-18 Lingwei Li

Recent discovery of several van der waals magnetic material and moire magnet introduce to us an extremely challenging and revolutionary era of 2D magnetism and correlated phenomena for low dimensional material.More often the simplest spin…

统计力学 · 物理学 2023-06-06 Nepal Banerjee

The emergence of local phases in a trapped two-component Fermi gas in an optical lattice is studied using quantum Monte Carlo simulations. We treat temperatures that are comparable or lower than those presently achievable in experiments and…

量子气体 · 物理学 2015-03-14 Simone Chiesa , Christopher N. Varney , Marcos Rigol , Richard T. Scalettar

We report the magnetic, thermal, magnetocaloric and transport properties of polycrystalline NdCuSi. The compound shows a weak antiferromagnetic ordering, as confirmed by different measurements. Arrott plots indicate that the magnetic phase…

强关联电子 · 物理学 2019-09-19 Sachin Gupta , K. G. Suresh1 , A. K. Nigam

Quantum Monte Carlo methods are used to calculate various ground state properties of charged bosons in two dimensions, throughout the whole density range where the fluid phase is stable. Wigner crystallization is predicted at $r_s\simeq…

凝聚态物理 · 物理学 2018-05-01 S. De Palo , S. Conti , S. Moroni

In this paper, we study the effect of both an external and crystal magnetic fields for a superlattice with mixed spins (1/2, 1), using Monte Carlo simulations. The ground state phase diagrams, in the external magnetic field, coupling…

强关联电子 · 物理学 2017-11-07 A. Mhirech , L. Bahmad

This work presents the remarkable experimental magnetocaloric properties of the perovskites Pr$_{0.9}$Sr$_{0.1}$Mn$_{0.9}^{3+}$Mn$_{0.1}^{4+}$O$_{3}$, including the magnetic entropy change $|\Delta S_m|$ and the Relative Cooling Power…

材料科学 · 物理学 2023-11-07 Y. Essouda , H. T. Diep , M. Ellouze , E. -K. Hlil

The structural and magnetic properties of functional Ni-Mn-Z (Z = Ga, In, Sn) Heusler alloys are studied by first-principles and Monte Carlo methods. The \textit{ab initio} calculations give a basic understanding of the underlying physics…

The unusual thermodynamic properties of the Ising antiferromagnet supplemented with a ferromagnetic, mean-field term are outlined. This simple model is inspired by more realistic models of spin-crossover materials. The phase diagram is…

统计力学 · 物理学 2014-12-23 Gregory Brown , Per Arne Rikvold , Seiji Miyashita
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