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Using the example of a pressed sample consisting of chromium dioxide nanoparticles coated with insulating shells, we study the relationship between the electronic transport system and magnetic subsystem in granular spin-polarized metals. It…

Mesoscale and Nanoscale Physics · Physics 2025-03-11 E. Yu. Beliayev , I. G. Mirzoiev , V. V. Andrievskii , A. V. Terekhov , Yu. A. Kolesnichenko , V. A. Horielyi , I. A. Chichibaba

The Monte Carlo method in the canonical ensemble is used to investigate magnetization reversal in amorphous transition metal - rare earth multilayers. Our study is based on a model containing diluted clusters which exhibit an effective…

Materials Science · Physics 2009-12-01 Etienne Talbot , Denis Ledue , Pierre Emmanuel Berche

We have studied the magnetization reversal process in FM/AFM bilayer structures through of spin dynamics simulation. It has been observed that the magnetization behavior is different at each branch of the hysteresis loop as well as the…

Materials Science · Physics 2014-03-24 E. B. Santos , P. Z. Coura , R. A. Dias , S. A. Leonel , J. C. S. Rocha

The purpose of this article is to review the current status of a frontier in dynamic spintronics and contemporary magnetism, in which much progress has been made in the past decade, based on the creation of a variety of micro- and…

Materials Science · Physics 2016-11-17 Michael Harder , Yongsheng Gui , Can-Ming Hu

Voltage control of magnetism (VCM) is attracting increasing interest and exciting significant research activity driven by its profound physics and enormous potential for application. This review article aims to provide a comprehensive…

Materials Science · Physics 2017-02-14 Cheng Song , Bin Cui , Fan Li , Xiangjun Zhou , Feng Pan

We present Monte Carlo simulations of hysteresis loops of a model of a magnetic nanoparticle with a ferromagnetic core and an antiferromegnetic shell with varying values of the core/shell interface exchange coupling which aim to clarify the…

Materials Science · Physics 2011-11-09 Oscar Iglesias , Xavier Batlle , Amilcar Labarta

Recent experiments on bismuth have uncovered remarkably rich magnetization structure at fields well beyond the regime in which all carriers are expected to reside in the lowest Landau level. Motivated by these findings, we start from a…

Strongly Correlated Electrons · Physics 2015-05-13 Jason Alicea , Leon Balents

We discuss superstring theory based on the reader's intuition and her college knowledge of general physics and calculus. Nowadays, superstring theory is considered the best candidate to explain physical phenomena that involve all of the…

Popular Physics · Physics 2014-12-19 Herbert Morales

Magnetic shape memory alloys are characterized by the coupling between a structural phase transition and magnetic one. This permits to control the shape change via an external magnetic field, at least in single crystals. Composite materials…

Numerical Analysis · Mathematics 2018-05-01 Sergio Conti , Martin Lenz , Martin Rumpf

Some conceptual issues in the semi-classical approaches to giant magnetoresistance in magnetic multilayers are discussed.

Condensed Matter · Physics 2007-05-23 Yu Shi

In this work, we comprehensively investigate and discuss the structural, magnetostatic, dynamic, and magnetoresistive properties of epitaxial Co/Mo superlattices. The magnetization of the Co sublayers is coupled antiferromagnetically with a…

We perform Monte Carlo simulations to study the interplay of structural and magnetic order in single layer graphene covered with magnetic adatoms. We propose that the presence of ripples in the graphene structure can lead to clustering of…

Strongly Correlated Electrons · Physics 2009-12-08 T. G. Rappoport , Bruno Uchoa , A. H. Castro Neto

We propose an explanation for the experimentally observed temperature hysteresis of magnetization in single crystals of lanthanum manganite (La0.8Sr0.2MnO3). The phenomenon is interpreted within the framework of a double-exchange model with…

Materials Science · Physics 2007-05-23 A. P. Saiko , S. A. Markevich

In this contribution to the special issue on magnetoelectrics and their applications, we focus on some single phase multiferroics theoretically predicted and/or experimentally discovered by the authors in recent years. In these materials,…

Materials Science · Physics 2018-07-03 Jin Peng , Yang Zhang , Ling-Fang Lin , Lin Lin , Meifeng Liu , Jun-Ming Liu , Shuai Dong

A fundamental motif in frustrated magnetism is the fully mutually coupled cluster of $N$ spins, with each spin coupled to every other spin. Clusters with $N=2$ and $3$ have been extensively studied as building blocks of square and…

Strongly Correlated Electrons · Physics 2018-02-07 Subhankar Khatua , R. Shankar , R. Ganesh

We present exact expressions for hysteresis loops in the ferromagnetic random field Ising model in the limit of zero temperature and zero driving frequency for an arbitrary initial state of the model on a Bethe lattice. This work extends…

Statistical Mechanics · Physics 2007-05-23 Prabodh Shukla , R Kharwanlang

Motivated by recent experimental results reporting giant coercive fields in Co(II)-based molecular magnets we present a theory of hysteresis phenomena based on the Glauber stochastic dynamics. Unusual form of hysteresis loops is similar to…

Statistical Mechanics · Physics 2015-05-13 A. A. Bukharov , A. S. Ovchinnikov , N. V. Baranov , K. Inoue

Magneto-optical Kerr effect hysteresis loops at various wavelengths in the visible/near-infrared range have been used to characterize the magnetic properties of alloys obtained by implanting Mn ions at fixed energy in a Ge matrix. The…

Materials Science · Physics 2015-06-25 F. D'Orazio , F. Lucari , M. Passacantando , L. Ottaviano , A. Verna , G. Impellizzeri , F. Priolo

Although superspace formalism has become the standard approach for the analysis of structurally modulated crystals, it has remained during the last thirty years almost unexplored as a practical tool to deal with magnetic incommensurate…

Materials Science · Physics 2015-05-28 J. M. Perez-Mato , J. L. Ribeiro , V. Petricek , M. I. Aroyo

Description of domains switching processes in crystalline ferroelectrics by means of relaxation type equations with account of variable external electric field is proposed. Exact solution of these equations in closed analytical form at…

Materials Science · Physics 2014-07-04 A. Yu. Zakharov , M. I. Bichurin
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