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On the basis of a first-principles electronic structure theory of finite temperature metallic magnetism in layered materials, we investigate the onset of magnetic order in thin (2-8 layers) fcc-Fe films on Cu(100) substrates. The nature of…

Materials Science · Physics 2009-11-07 S. S. A. Razee , J. B. Staunton , L. Szunyogh , B. L. Gyorffy

In this communication we study the behaviour of spin current components in a ballistic junction consisting of two semi-infinite leads and a scattering region composed of two magnetic layers separated by a non-magnetic metallic spacer. We…

Mesoscale and Nanoscale Physics · Physics 2024-07-02 Valentin Fadeev , Andrey Umerski

For epitaxial trilayers of the magnetic rare-earth metals Gd and Tb, exchange coupled through a non-magnetic Y spacer layer, element-specific hysteresis loops were recorded by the x-ray magneto-optical Kerr effect at the rare-earth $M_5$…

Materials Science · Physics 2009-11-13 K. M. Doebrich , M. Wietstruk , J. E. Prieto , F. Heigl , O. Krupin , K. Starke , G. Kaindl

We investigate the origin of the long period oscillation of the interlayer exchange coupling in Fe/Cr trilayer systems. Within the stationary phase approximation the periods of the oscillations are associated with extremal vectors of the…

Strongly Correlated Electrons · Physics 2009-10-28 L. Tsetseris , Byungchan Lee , Yia-Chung Chang

We study interlayer exchange coupling (IEC) based on the many-body Coulomb interaction between conduction electrons in magnetic tunnel junction (MTJ). This mechanism complements the known IEC based on virtual electron hopping (or spin…

Mesoscale and Nanoscale Physics · Physics 2017-04-10 O. G. Udalov , I. S. Beloborodov

When the thickness of metal film approaches the nanoscale, itinerant carriers resonate between its boundaries and form quantum well states (QWSs), which are crucial to account for the film electrical, transport and magnetic properties.…

Materials Science · Physics 2015-10-28 Ching-Hao Chang , Kun-Peng Dou , Ying-Chin Chen , Tzay-Ming Hong , Chao-Cheng Kaun

Magnetic multilayers with interlayer exchange coupling have been widely studied for both static and dynamic regimes. Their dynamical responses depend on the exchange coupling strength and magnetic properties of individual layers. Magnetic…

Materials Science · Physics 2023-08-29 A. Sud , K. Yamamoto , K. Z. Suzuki , S. Mizukami , H. Kurebayashi

When monolayers of two-dimensional (2D) materials are stacked into van der Waals structures, interlayer electronic coupling can introduce entirely new properties, as exemplified by recent discoveries of moir\'e bands that host highly…

The interlayer spin correlations in the magnetic/non-magnetic semiconductor superlattices are reviewed. The experimental evidences of interlayer exchange coupling in different all-semiconductor structures, based on neutronographic and…

Materials Science · Physics 2007-05-23 P. Kacman , J. Blinowski , H. Kepa , T. M. Giebultowicz

The effect of incoherent interlayer transport on the interlayer resistance of a layered metal is considered. We find that for both quasi-one-dimensional and quasi-two-dimensional Fermi liquids the angular dependence of the magnetoresistance…

Strongly Correlated Electrons · Physics 2009-10-31 Ross H. McKenzie , Perez Moses

The electric-field control of magnetism is a highly promising and potentially effective approach for achieving energy-efficient applications. In recent times, there has been significant interest in the magneto-ionic effect in synthetic…

We quantitatively identify the multiple distinct microscopic mechanisms contributing to effective interlayer couplings (EICs) by performing first-principle calculations for two prototype superconducting cuprate families, pristine and doped…

Superconductivity · Physics 2025-10-28 Zheting Jin , Sohrab Ismail-Beigi

Ion-beam sputtering has been used to prepare Fe/Si multilayers on a variety of substrates and over a wide range of temperatures. Small-angle x-ray diffraction and transmission electron microscopy experiments show that the layers are heavily…

Condensed Matter · Physics 2009-10-28 A. Chaiken , R. P. Michel , M. A. Wall

We describe the effect of the Fe layer thickness on the antiferromagnetic interlayer exchange coupling in [Fe/MgO]$_N$ superlattices. An increase in coupling strength with increasing Fe layer thickness is observed, which highlights the need…

Materials Science · Physics 2024-06-04 Anna L. Ravensburg , Matías P. Grassi , Björgvin Hjövarsson , Vassilios Kapaklis

Magnetic skyrmions have emerged as promising elements for encoding information towards biomimetic computing applications due to their pseudoparticle nature and efficient coupling to spin currents. A key hindrance for skyrmionic devices is…

Materials Science · Physics 2025-01-13 Xiaoye Chen , Tommy Tai , Hui Ru Tan , Hang Khume Tan , Royston Lim , Pin Ho , Anjan Soumyanarayanan

Nanomagnetism concerns the engineering of magnetic interactions in heterostructures that consist of layers of magnetic and non-magnetic materials. Mostly, these interactions are dominated by the minimization of energy. Here, we propose an…

Mesoscale and Nanoscale Physics · Physics 2025-05-21 William Huddie , Laura Filion , Marjolein Dijkstra , Rembert Duine

We consider mechanism of exchange coupling based on interaction between electrons in nonmagnetic layer. Depending on ratio of inverse time of diffusion of electrons between ferromagnetic layers and ferromagnetic splitting of conducting…

Mesoscale and Nanoscale Physics · Physics 2009-09-29 Zyuzin A. Yu

The manipulation of the antiferromagnetic interlayer coupling in the epitaxial Fe/Cr/Fe(001) trilayer system by moderate 5 keV He ion beam irradiation has been investigated experimentally. It is shown that even for irradiation with very low…

This paper investigates the relationship among interlayer exchange coupling (IEC), Dzyaloshinskii-Moriya interaction (DMI), and multilevel magnetization switching within a Co/Pt/Co heterostructure, where varying Pt thicknesses enable…

Mesoscale and Nanoscale Physics · Physics 2023-12-21 Krzysztof Grochot , Piotr Ogrodnik , Jakub Mojsiejuk , Piotr Mazalski , Urszula Guzowska , Witold Skowroński , Tomasz Stobiecki

Using temperature-dependent magnetoresistance and magnetization measurements on Fe/Cr multilayers that exhibit pronounced giant magnetoresistance (GMR), we have found evidence for the presence of a glassy antiferromagnetic (GAF) phase. This…

Materials Science · Physics 2009-11-07 N. Theodoropoulou , A. F. Hebard , M. Gabay , A. K. Majumdar , C. Pace , J. Lannon , D. Temple