N. El Mekkaoui

ORCID: 0000-0002-7034-6061
Publications
Citations
Views
---
Saved
---
About
Contact & Profiles
Research Areas
  • Magnetic and transport properties of perovskites and related materials
  • Multiferroics and related materials
  • Advanced Condensed Matter Physics
  • Heusler alloys: electronic and magnetic properties
  • Magnetic properties of thin films
  • Advanced Thermoelectric Materials and Devices
  • MXene and MAX Phase Materials
  • Theoretical and Computational Physics
  • Magnetic Properties and Synthesis of Ferrites
  • Rare-earth and actinide compounds
  • Magnetic Properties of Alloys
  • Ferroelectric and Piezoelectric Materials
  • Advanced Thermodynamics and Statistical Mechanics
  • Magnetic Properties and Applications
  • Thermal Expansion and Ionic Conductivity
  • Wireless Power Transfer Systems
  • Advanced Chemical Physics Studies
  • X-ray Diffraction in Crystallography
  • High-pressure geophysics and materials
  • Chalcogenide Semiconductor Thin Films
  • nanoparticles nucleation surface interactions

Mohammed V University
2018-2021

We present a theoretical study of the magnetic properties lanthanum copper manganate double perovskite La 2 CuMnO 6 ceramic, using Monte Carlo simulations. analyze and discuss ground state phase diagrams in different planes to show effect every physical parameter. Based on simulations, which combine Metropolis algorithm Ising model, we explore thermal behavior total magnetization susceptibility. also influence parameters such as external field, exchange coupling interactions between atoms,...

10.1088/1674-1056/ab7d95 article EN Chinese Physics B 2020-03-09

Motivated by spintronic devices and their applications, we engineer a model to investigate the magnetic properties of nano-alloy Fe[Formula: see text]Co[Formula: text]. Where [Formula: text] is fraction iron atoms Fe substituted cobalt Co atoms, corresponds 50% this compound then called equiatomic FeCo. The purpose work apply Monte-Carlo Simulations (MCS), under Metropolis algorithm predict such system. In first step, propose describing system including different exchange coupling...

10.1142/s2010324719500024 article EN SPIN 2019-02-01

In this paper, we have used the Monte Carlo simulations (MCSs) to investigate magnetic properties of brownmillerite KBiFe 2 O 5 (KBFO) compound. The different exchange coupling interactions [Formula: see text], text] and between irons Fe atom been outlined including angles 1 -O-Fe . double interaction is caused by existence oxygen atoms. a first step, present ground state phase diagrams in absence any temperature fluctuations, physical parameter planes. Then investigation behavior total...

10.1142/s2010324721500089 article EN SPIN 2020-12-02

Abstract We study the magnetic properties of double perovskite ruthenate compound Sr 2 YRuO 6 using Monte Carlo simulations (MCS). elaborate ground state phase diagrams for all possible and stable configurations. The magnetizations susceptibilities as a function temperature studied system are also reported. effects exchange coupling interactions crystal field examined discussed. On other hand, since exhibits an antiferromagnetic behavior, we find its Néel temperature, <mml:math...

10.1088/1674-1056/ab3441 article EN Chinese Physics B 2019-07-24

Purpose The purpose of this paper is to investigate the magnetic properties and ground state phase diagrams double perovskite La 2 NiMnO 6 using Monte Carlo simulations (MCS). Design/methodology/approach In work, authors propose a Hamiltonian modeling compound, described by an Ising model, with different exchange coupling interactions J11, J12 J22 between only atoms Ni Mn. Findings Starting diagrams, present discuss stable configurations in physical parameter planes. On other hand,...

10.1108/mmms-02-2019-0042 article EN Multidiscipline Modeling in Materials and Structures 2019-10-18

In order to investigate the magnetic properties and ground state phase diagrams of transition metal oxide perovskite-type Pb(Fe1/2Nb1/2)O3, we use Monte Carlo simulations under Metropolis algorithm. For this purpose, propose a Hamiltonian model compound when varying different exchange coupling interactions. first step, elaborate diagrams, showing stable configurations for physical parameter planes. non-null temperature values, present discuss behavior not only magnetizations but also...

10.1080/00150193.2020.1834776 article EN Ferroelectrics 2020-11-03

This manuscript presents a model and simulation of the copper chalcopyrite semiconductor CuGaSe2 in order to predict its magnetic properties. In material (CGS), atom Cu is only element with moment value S = 1/2. We propose Hamiltonian calculate energies corresponding different configurations system. first step, we presented magnetization behavior by using Monte Carlo simulations (MCS). The magnetizations as function temperature, exchange coupling have been studied discussed. also deduced...

10.48550/arxiv.1906.02542 preprint EN other-oa arXiv (Cornell University) 2019-01-01

Magnetic properties of the intermetallic compound NdCo$_2$Si$_2$ are investigated by using Monte Carlo simulation (MCs) under Metropolis algorithm. The magnetism is caused existence rare earth (Nd3+) ions with a magnetic moment taking value 2.7 muB. Firstly, ground state phase diagrams presented and discussed in different planes corresponding to physical parameters system. stable phases explored for configurations Hamiltonian These determined minimal energies. For non-null temperature...

10.48550/arxiv.1912.04245 preprint EN other-oa arXiv (Cornell University) 2019-01-01

In this work, a study of the magnetic behavior spinel ZnFe2O4 is presented by using Monte Carlo simulations (MCS). The iron atoms provide magnetism in material. fact, spin moment Fe3+ ions S=5/2. context, we propose Hamiltonian describing and modeling compound. Firstly, at zero temperature have studied ground state phase diagrams system order to find more stable configurations. On other hand, for non-null values, obtained results simulations, namely: magnetizations susceptibilities as...

10.48550/arxiv.2002.06889 preprint EN other-oa arXiv (Cornell University) 2020-01-01

The Half-Metallic Ferromagnetic behavior of some double perovskites attracts much interest. In this work, we studied the magnetic perovskite Pb2FeReO6. atoms are Fe and Re have spins S=5/2 σ=1, respectively. a first step, provide theoretical study ground state phase diagrams .In fact, present discuss stable configurations from all 6x3=18 possible configurations. Secondly, properties compound when varying different physical parameters is carried out. Besides, used Monte Carlo simulations...

10.48550/arxiv.2002.08122 preprint EN other-oa arXiv (Cornell University) 2020-01-01
Coming Soon ...