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Magnetic bilayers with different magnetic anisotropy directions are interesting for spintronic appli- cations as they offer the possibility to engineer tilted remnant magnetization states. We investigate the ferromagnetic resonance (FMR)…

Mesoscale and Nanoscale Physics · Physics 2018-12-05 Jun-Wen Xu , Volker Sluka , Bartek Kardasz , Mustafa Pinarbasi , Andrew D. Kent

Two ferromagnetic layers magnetically decoupled by a thick normal metal spacer layer can be, nevertheless, dynamically coupled via spin currents emitted by the spin-pump and absorbed through the spin-torque effects at the neighboring…

Mesoscale and Nanoscale Physics · Physics 2014-04-14 A. A. Timopheev , Yu. G. Pogorelov , S. Cardoso , P. P. Freitas , G. N. Kakazei , N. A. Sobolev

We examine the anisotropic properties of the exchange stiffness constant, $\mathcal{A}$, for rare-earth permanent magnet, Nd$_2$Fe$_{14}$B, by connecting analyses with two different scales of length, i.e., Monte Carlo (MC) method with an…

Materials Science · Physics 2018-08-22 Yuta Toga , Masamichi Nishino , Seiji Miyashita , Takashi Miyake , Akimasa Sakuma

In antiferromagnetically coupled multilayers with perpendicular anisotropy unusual multidomain textures can be stabilized due to a close competition between long-range demagnetization fields and short-range interlayer exchange coupling. In…

Mesoscale and Nanoscale Physics · Physics 2011-09-30 N. S. Kiselev , U. K. Roessler , A. N. Bogdanov , O. Hellwig

We report an unusual, non-monotonous dependence of the exchange bias on the thickness of the ferromagnetic layer in a ferromagnet/antiferromagnet bilayer system. We show that in epitaxial CoO/Fe(110) bilayers, the evolution of the Fe…

Mesoscale and Nanoscale Physics · Physics 2017-09-29 M. Ślęzak , T. Ślęzak , P. Dróżdż , B. Matlak , K. Matlak , J. Korecki

Multiferroics with coexistent ferroelectric and magnetic orders can provide an interesting laboratory to test unprecedented magnetoelectric responses and their possible applications. One such example is the dynamical and/or resonant…

Strongly Correlated Electrons · Physics 2015-05-27 Y. Tokura , N. Kida

Crystallographic anisotropy of the spin-dependent conductivity tensor can be exploited to generate transverse spin-polarized current in a ferromagnetic film. This ferromagnetic spin Hall effect is analogous to the spin-splitting effect in…

Materials Science · Physics 2024-02-09 K. D. Belashchenko

We observe magnetic domain structures of MgO/CoFeB with a perpendicular magnetic easy axis under an electric field. The domain structure shows a maze pattern with electric-field dependent isotropic period. We find that the electric-field…

Materials Science · Physics 2016-03-29 T. Dohi , S. Kanai , A. Okada , F. Matsukura , H. Ohno

Stemming from antiferromagnetic coupling, exchange bias allows inverted hysteresis in a magnetic system. Such room temperature magnetic reversal has yet to be observed in an amorphous antiferromagnet. Furthermore, the impact of this…

Materials Science · Physics 2025-12-04 Xiangning Du , Yuxiang Zhu , Na Chen

We use temperature-dependent Hall measurements to identify contributions of spin Hall, magnetic proximity, and sublattice effects to the anomalous Hall signal in heavy metal/ferrimagnetic insulator heterostructures with perpendicular…

We present a theoretical study of spin-dependent transport through a ferromagnetic domain wall. With an increase of the number of components of the exchange coupling, we have observed that the variance of the conductance becomes half. As…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 J. Ohe , M. Yamamoto , T. Ohtsuki , K. Slevin

The multicaloric effect, which represents the reversible entropy change that occurs when both external magnetic and electric fields are applied, is an interesting phenomenon characteristic to multiferroics. Targeting the multicaloric effect…

Synthetic ferrimagnets are an attractive materials class for spintronics as they provide access to all-optical switching of magnetization and, at the same time, allow for ultrafast domain wall motion at angular momentum compensation. In…

Electric field control of magnetic anisotropy in ferromagnets has been intensively pursued in spintronics to achieve efficient memory and computing devices with low energy consumption. Compared with ferromagnets, antiferromagnets hold huge…

We investigate the dynamic magnetic response of ferromagnetic flexible NiFe/Ta and FeCuNbSiB/Ta multilayers under external stress. We explore the possibility of handling magnetic anisotropy and dynamic magnetic response of flexible…

Materials Science · Physics 2016-06-13 K. Agra , G. L. Callegari , L. S. Dorneles , F. Bohn , M. A. Correa

Symmetry arguments are used to show that a boundary of a magnetoelectric antiferromagnet has an equilibrium magnetization. This magnetization is coupled to the bulk antiferromagnetic order parameter and can be switched along with it by a…

Materials Science · Physics 2010-10-04 K. D. Belashchenko

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

We propose the spin swapping effect for an exchange magnon spin current in a perpendicularly magnetized ferromagnetic medium with in plane anisotropy on the surface. The excitation of a magnon current flowing along an in-plane direction…

Mesoscale and Nanoscale Physics · Physics 2023-07-03 Shuting Cui , Peng Yan , Wei Luo , Xiaofei Yang , Yue Zhang

Electric field control of magnetic properties offers a broad and promising toolbox for enabling ultra-low power electronics. A key challenge with high technological relevance is to master the interplay between the magnetic anisotropy of a…

We discuss some recent results obtained in the study of strong quark-antiquark interactions in the presence of intense external magnetic fields by means of lattice QCD simulations. We confirm previous findings and show that both at zero and…

High Energy Physics - Lattice · Physics 2017-02-21 Claudio Bonati , Massimo D'Elia , Marco Mariti , Michele Mesiti , Francesco Negro , Andrea Rucci , Francesco Sanfilippo
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