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Applicability of dilute magnetic semiconductors (DMS) in electronic devices relies upon the understanding and control of their magnetic anisotropy. This paper explores one of the ways in engineering magnetic anisotropy in epitaxial layers…

Materials Science · Physics 2016-05-02 K. Dziatkowski , W. P. Staszewski , R. Bożek , J. Szczytko , J. Gosk , A. Twardowski , X. Liu , J. K. Furdyna

Control of magnetization and electric polarization is attractive in relation to tailoring materials for data storage and devices such as sensors or antennae. In magnetoelectric materials, these degrees of freedom are closely coupled,…

To characterize the possible magnetic structures created on magnetic multilayers a model has been formulated and studied. The interlayer inhomogeneous structures found indicate either (i) a regular periodic, (ii) a quasiperiodic change in…

Materials Science · Physics 2009-10-31 F. V. Kusmartsev , H. S. Dhillon , M. D. Crapper

It is of common knowledge that the direction of easy axis in the finite-size ferromagnetic sample is controlled by its shape. In the present paper we show that a similar phenomenon should be observed in the compensated antiferromagnets with…

Statistical Mechanics · Physics 2010-03-16 Helen V. Gomonay , Vadim M. Loktev

We have explored, computationally and experimentally, the magnetic properties of \fecob{} alloys. Calculations provide a good agreement with experiment in terms of the saturation magnetization and the magnetocrystalline anisotropy energy…

RT\textsubscript{12} materials continue to attract attention due to their potential use as ``rare-earth-lean'' permanent magnets, but converting their promising intrinsic properties into practical high performance remains an elusive goal.…

Materials Science · Physics 2025-08-12 Christopher E Patrick

We have systematically investigated the magnetic properties and magnetocaloric effect (MCE) in $R$MnO$_3$ ($R$$=$Dy, Tb, Ho and Yb) single crystals. Above a critical value of applied field ($H_c$), $R$MnO$_3$ undergo a first-order…

Strongly Correlated Electrons · Physics 2011-12-23 A. Midya , S. N. Das , P. Mandal , S. Pandya , V. Ganesan

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…

The key physical property of multiferroic materials is the existence of a coupling between magnetism and polarization, i.e. magnetoelectricity. The origin and manifestations of magnetoelectricity can be very different in the available…

Materials Science · Physics 2019-03-12 Shuai Dong , Hongjun Xiang , Elbio Dagotto

We propose that macroscopic objects built from negative-permeability metamaterials may experience resonantly enhanced magnetic force in low-frequency magnetic fields. Resonant enhancement of the time-averaged force originates from…

The multiferroic properties of EuTiO3 are greatly enhanced when a sample is strained, signifying that coupling between strain and structural, magnetic or ferroelectric order parameters is extremely important. Here resonant ultrasound…

Materials Science · Physics 2015-03-19 J. Schiemer , L. J. Spalek , S. S. Saxena , C. Panagopoulos , T. Katsufuji , M. A. Carpenter

The influence of a strain-induced uniaxial magnetoelastic anisotropy on the magnetic vortex core dynamics in microstructured magnetostrictive Co$_{40}$Fe$_{40}$B$_{20}$ elements was investigated with time-resolved scanning transmission…

Controlling multiferroic behavior in materials will enable the development of a wide variety of technological applications. However, the exact mechanisms driving multiferroic behavior are not well understood in most materials. Two such…

Materials Science · Physics 2018-06-27 B. Wolin , X. Wang , T. Naibert , S. L. Gleason , G. J. MacDougall , H. D. Zhou , S. L. Cooper , R. Budakian

We present combined experimental and theoretical investigation of the low-frequency ESR dynamics in the ordered phases of magnetic mineral linarite. This material consists of weakly coupled spin-1/2 chains of copper ions with frustrated…

Strongly Correlated Electrons · Physics 2019-11-19 S. K. Gotovko , L. E. Svistov , A. M. Kuzmenko , A. Pimenov , M. E. Zhitomirsky

Commensurability oscillations in the magnetotransport of periodically patterned systems, emerging from the interplay of cyclotron orbit and the pattern periodicity, are a benchmark of mesoscopic physics in electron gas systems. Exploiting…

Mesoscale and Nanoscale Physics · Physics 2017-08-30 Stephen R. Power , Morten Rishøj Thomsen , Antti-Pekka Jauho , Thomas Garm Pedersen

The exploration of two-dimensional (2D) antiferromagnetic (AFM) materials has shown great promise and interest in tuning the magnetic and electronic properties as well as studying magneto-optical effects. The current work investigates the…

Single crystals of $\alpha$-MnTe were synthesized by chemical vapor transport using iodine as the transport reagent. Structural characterization by powder x-ray diffraction confirmed the hexagonal structure (space group P6$_{3}$/mmc).…

We observe a thermally induced spontaneous magnetization reversal of epitaxial ferromagnet/antiferromagnet heterostructures under a constant applied magnetic field. Unlike any other magnetic system, the magnetization spontaneously reverses,…

Materials Science · Physics 2009-11-11 Zhi-Pan Li , Johannes Eisenmenger , Casey W. Miller , Ivan K. Schuller

Studies on the phenomenon of magnetoresistance (MR) have produced intriguing and application-oriented outcomes for decades--colossal MR, giant MR and recently discovered extremely large MR of millions of percents in semimetals can be taken…

Strongly Correlated Electrons · Physics 2017-02-28 Abhishek Pandey , Chandan Mazumdar , R. Ranganathan , D. C. Johnston

The energetics of thin elongated ferromagnetic nano-islands is considered for some different shapes, aspect ratios, and applied magnetic field directions. These nano-island particles are important for artificial spin-ice materials. For low…

Mesoscale and Nanoscale Physics · Physics 2012-07-11 G. M. Wysin , W. A. Moura-Melo , L. A. S. Mól , A. R. Pereira