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Two-dimensional (2D) materials can host stable, long-range magnetic phases in the presence of underlying magnetic anisotropy. The ability to realize the full potential of 2D magnets necessitates systematic investigation of the role of…

We investigate the magnetization dynamics through the magnetoimpedance effect in ferromagnetic NiFe/Cu/Co films. We observe that the magnetoimpedance response is dependent on the thickness of the non-magnetic Cu spacer material, a fact…

Materials Science · Physics 2015-06-22 E. F. Silva , M. Gamino , A. M. H. de Andrade , M. A. Corrêa , M. Vázquez , F. Bohn

We demonstrate computationally the existence of magnetoelectric multipoles, arising from the second order term in the multipole expansion of a magnetization density in a magnetic field, in noncentrosymmetric magnetic metals. While…

Materials Science · Physics 2021-03-09 Florian Thöle , Nicola A. Spaldin

Magnetoelectric, dielectric and magnetic susceptibility tensors of multiferroic TbMnO3 with cycloidal antiferromagnetic structure in external electric and magnetic fields have been investigated with taking into account dynamics of spin,…

Materials Science · Physics 2013-04-17 Igor V. Bychkov , Dmitry A. Kuzmin , Sergey J. Lamekhov , Vladimir G. Shavrov

We review the phenomenology of coupled magnetic and electric order parameters for systems in which ferroelectric and incommensurate magnetic order occur simultaneously. We discuss the role that such materials might play in fabricating novel…

Materials Science · Physics 2007-05-23 A. B. Harris , G. Lawes

The temperature dependent order parameter provides important information on the nature of magnetism. Using traditional methods to study this parameter in two-dimensional (2D) magnets remains difficult, however, particularly for insulating…

We investigate the possible types of coupling between ferroelectricity and magnetism for the zig-zag spin chain multiferroic LiCu2O2 compound. We construct a multi-order parameter phenomenological model for the material based on a group…

Strongly Correlated Electrons · Physics 2009-01-15 Chen Fang , Trinanjan Datta , Jiangping Hu

This article presents a survey of many nontrivial effects connected with the coupling of electric and magnetic degrees of freedom in solids -- the field initiated by I.~E.~Dzyaloshinskii in 1959. I briefly consider the main physics of…

Strongly Correlated Electrons · Physics 2021-06-16 D. I. Khomskii

We revisit the description of the magnetic field around antiferromagnetic magnetoelectrics in the context of recent developments regarding magnetoelectric monopoles. Using Maxwell's equations, we calculate the magnetic and electric fields…

Materials Science · Physics 2014-05-28 Michael Fechner , Nicola A. Spaldin , I. E. Dzyaloshinskii

From the physical point of view multiferroics present an extremely interesting class of systems and problems. These are essentially of two kinds. One is what are the microscopic conditions, and sometimes constrains, which determine the…

Other Condensed Matter · Physics 2009-11-13 I. Radulov , V. Lovchinov , M. Daszkiewicz

A computation methodology based on ab initio evolutionary algorithms and the spin-polarized density functional theory was developed to predict two-dimensional (2D) magnetic materials. Its application to a model system borophene reveals an…

Besides a drastic reduction in saturation magnetization of disordered Sr2FeMoO6 compared to highly ordered samples, magnetizations as a function of the temperature for different disordered samples may also show qualitatively different…

Materials Science · Physics 2007-05-23 Dinesh Topwal , U. Manju , Sugata Ray , S. Raj , D. D. Sarma , S. R. Krishnakumar , M. Bertolo , S. La Rosa , G. Cautero

We develop a theory for waveguides that respects the duality of electromagnetism, namely the symmetry of the equations arising through inclusion of magnetic monopoles in addition to including electrons (electric monopoles). The term…

We have investigated magnetic field dependences of a ferroelectric incommensurate-helimagnetic order in a trigonal magneto-electric (ME) multiferroic CuFe1-xAlxO2 with x=0.015, which exhibits the ferroelectric phase as a ground state, by…

Strongly Correlated Electrons · Physics 2015-05-14 T. Nakajima , S. Mitsuda , S. Kanetsuki , M. Yamano , S. Iwamoto , Y. Yoshida , H. Mitamura , Y. Sawai , M. Tokunaga , K. Kindo , K. Prokes , A. Podlesnyak

Multiferroic materials are potential to be applied in novel magnetoelectric devices, for example, high-density non-volatile storage. Last decades, research on multiferroic materials was focused on three-dimensional (3D) materials. However,…

Materials Science · Physics 2019-02-25 Youfang Lai , Zhigang Song , Yi Wan , Mingzhu Xue , Yu Ye , Lun Dai , Wenyun Yang , Honglin Du , jinbo Yang

Diamagnetism, in which the magnetisation in a medium opposes the direction of an applied magnetic field, is a weak but familiar effect in a wide class of materials. Being weak it is also a linear response to any applied field. The problem…

Quantum Physics · Physics 2025-09-15 Niclas Westerberg , Stephen M. Barnett

We present a phenomenological model for magnetoelectricity in multiferroic materials. The distinctive feature of the model is a two-component complex order parameter that encodes the electric polarization, along with a direct coupling…

Materials Science · Physics 2024-04-11 Pei Wang , You-Quan Li

In this paper we study the magneto-resistance, i.e. the second-order term of the resistivity perturbed by a low magnetic field, of a three-dimensional composite material. Extending the two-dimensional periodic framework of [4], it is proved…

Analysis of PDEs · Mathematics 2012-07-03 Marc Briane , Laurent Pater

Composite multiferroics are materials exhibiting the interplay of ferroelectricity, magnetism, and strong electron correlations. Typical example --- magnetic nano grains embedded in a ferroelectric matrix. Coupling of ferroelectric and…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 O. G. Udalov , N. M. Chtchelkatchev , I. S. Beloborodov

We find that the chromomagnetic instability existing in neutral two- flavor color superconductivity at moderate densities is removed by the formation of an inhomogeneous condensate of charged gluons and the corresponding induction of a…

High Energy Physics - Phenomenology · Physics 2008-11-26 Efrain J. Ferrer , Vivian de la Incera
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