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We study an asymmetric in field magnetoresistance that is frequently observed in magnetic films and, in particular, the odd longitudinal voltage peaks that appear during magnetization reversal in ferromagnetic films, with out-of-plane…

Strongly Correlated Electrons · Physics 2015-05-13 A. Segal , O. Shaya , M. Karpovski , A. Gerber

The magnetoelectricity of garnets is considered by means of a symmetry and quantum mechanical combined analysis. It is shown, that the magnetoelectric effect is not realized in most garnets although the necessary condition of the crystal…

Mesoscale and Nanoscale Physics · Physics 2015-01-22 A. I. Popov , D. I. Plokhov , A. K. Zvezdin

We find that the Hall effect resistivity ($\rho_{xy}$) of thin films of \lsmo\ varies as a function of the angle $\theta$ between the applied magnetic field and the film normal as $\rho_{xy}=a\cos \theta + b\cos 3\theta$, where $|b|$…

Strongly Correlated Electrons · Physics 2015-06-12 Netanel Naftalis , Noam Haham , Jason Hoffman , Matthew S. J. Marshall , C. H. Ahn , Lior Klein

The resistivity, temperature, and magnetic field dependence of the anomalous Hall effect in a series of metallic Ga1-xMnxAs thin films with 0.015=<x=<0.08 is presented. A quadratic dependence of the anomalous Hall resistance on the…

Materials Science · Physics 2009-11-07 K W Edmonds , R P Campion , K-Y Wang , A C Neumann , B L Gallagher , C T Foxon , P C Main

Mn$_{3-x}$Ga (x = 0.1, 0.4, 0.7) thin films on MgO and SrTiO$_3$ substrates were investigated with magnetic anisotropy perpendicular to the film plane. An anomalous Hall-effect was observed for the tetragonal distorted lattice in the…

Materials Science · Physics 2015-06-12 Manuel Glas , Daniel Ebke , Inga-Mareen Imort , Patrick Thomas , Günter Reiss

The effect of magnetic domain boundaries displacement induced by electric field is observed in epitaxial ferrite garnet films (on substrates with the (210) crystallographic orientation). The effect is odd with respect to the electric field…

Materials Science · Physics 2008-01-29 A. S. Logginov , G. A. Meshkov , V. A. Nikolaev , A. P. Pyatakov , A. K. Zvezdin

A surface magnetoelectric effect is revealed by density-functional calculations that are applied to ferromagnetic Fe(001), Ni(001) and Co(0001) films in the presence of external electric field. The effect originates from spin-dependent…

The magnetic properties of anisotropic films have been studied using 3D-neutron polarization analysis. The experimental facts refer to essential distinction of the sample states, magnetized in opposite directions. For an explanation of…

Condensed Matter · Physics 2007-05-23 A. V. Kovalev , L. A. Akselrod

We present a theoretical investigation of the lateral shift of an infrared light beam reflected from a magnetic film deposited on a non-magnetic dielectric substrate, taking into account the linear magneto-electric interaction in the…

We report the observation of anomalous Hall effect in Mn$_3$Sn polycrystalline thin films deposited on Pt coated Al$_2$O$_3$ substrate with a large anomalous Hall conductivity of 65($\Omega$cm)$^{-1}$ at 3K. The Hall and magnetic…

Mesoscale and Nanoscale Physics · Physics 2023-07-26 W. AfzaL , Z. Yue , Z. Li , M. Fuhrer , X. Wang

Here, we present a micromagnetic theory of curvilinear ferromagnets, which allows discovering novel fundamental physical effects which were amiss. In spite of the firm confidence for more than 70 years, we demonstrate that there is an…

Mesoscale and Nanoscale Physics · Physics 2020-07-24 Denis D. Sheka , Oleksandr V. Pylypovskyi , Pedro Landeros , Yuri Gaididei , Attila Kákay , Denys Makarov

The analogy between general relativity and electromagnetism suggests that there is a galvano-gravitomagnetic effect, which is the gravitational analog of the Hall effect. This new effect takes place when a current carrying conductor is…

General Relativity and Quantum Cosmology · Physics 2009-11-13 B. J. Ahmedov

We study electron transport in granular film placed above the ferroelectric substrate. We show that the conductivity of granular film strongly depends on the ferroelectric state due to screening effects which modify the Coulomb blockade in…

Disordered Systems and Neural Networks · Physics 2015-06-22 O. G. Udalov , N. M. Chtchelkatchev , I. S. Beloborodov

This study conducts a numerical investigation into the three-dimensional film boiling of liquid under the influence of external magnetic fields. The numerical method incorporates a sharp phase-change model based on the volume-of-fluid…

Fluid Dynamics · Physics 2024-10-02 Hao-Tao Gu , Kirti Chandra Sahu , Jie Zhang , Ming-Jiu Ni

We have studied the magneto-optical Kerr effect and optical reflectance of perpendicular magnetized Co/Pt films on self-assembly two-dimensional polystyrene spheres. It is shown that the magneto-optical and the reflectance spectra are…

Materials Science · Physics 2009-03-04 Z. Liu , L. Shi , Z. Shi , X. H. Liu , J. Zi , S. M. Zhou , S. J. Wei , J. Li

The interplay between magnetism and strong topological insulator gives rise to distinct new topological phases and various intriguing phenomena, attracting significant attention in recent years. However, magnetic effects in weak topological…

Mesoscale and Nanoscale Physics · Physics 2024-09-05 Rui Chen , Xiao-Xia Yi , Bin Zhou , Dong-Hui Xu

We investigate the thermodynamic behavior of antiferromagnetic films in external magnetic fields oriented perpendicular to the staggered magnetization. Within the systematic effective Lagrangian framework we first calculate the two-point…

Strongly Correlated Electrons · Physics 2020-03-09 Christoph Peter Hofmann

Magnetoelectric multiferroic materials, particularly with the perovskite structure, are receiving a lot of attention because of their inherent coupling between electrical polarization and magnetic ordering. However, very few types of direct…

Applied Physics · Physics 2017-09-07 Hong Jian Zhao , M. N. Grisolia , Yurong Yang , Jorge Iniguez , M. Bibes , Xiang Ming Chen , L. Bellaiche

Magnetoelectric coupling in multiferroic materials opens new routes to control the propagation of light. The new effects arise due to dynamic magnetoelectric susceptibility that cross-couples the electric and magnetic fields of light and…

Materials Science · Physics 2019-10-14 D. Szaller , A. Shuvaev , A. A. Mukhin , A. M. Kuzmenko , A. Pimenov

We consider phase separated states in magnetic oxides (MO) thin films. We show that these states have a non-zero electric polarization. Moreover, the polarization is intimately related to a spatial distribution of magnetization in the film.…

Strongly Correlated Electrons · Physics 2019-10-09 O. G. Udalov , I. S. Beloborodov
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