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The exchange coupling underlies ferroic magnetic coupling and is thus the key element that governs statics and dynamics of magnetic systems. This fundamental interaction comes in two flavors - symmetric and antisymmetric coupling. While…

We investigate the superconducting instabilities induced by altermagnetic fluctuations. Because of the non-trivial sublattice structure of the altermagnetic order, shorter-range and longer-range fluctuations favor qualitatively different…

Superconductivity · Physics 2025-12-16 Yi-Ming Wu , Yuxuan Wang , Rafael M. Fernandes

The thermodynamics of a spin-1/2 magnetic multilayer system with antiferromagnetic interplanar couplings is studied using the Pair Approximation method. The special attention is paid to magnetocaloric properties, quantified by isothermal…

Materials Science · Physics 2014-09-09 Karol Szałowski , Tadeusz Balcerzak

It is shown that the current-perpendicular-to-plane giant magneto-resistance (CPP-GMR) oscillations, in the ballistic regime, are strongly correlated with those of the exchange coupling (J). Both the GMR and J are treated on equal footing…

Mesoscale and Nanoscale Physics · Physics 2008-02-03 S. Krompiewski , M. Zwierzycki , U. Krey

In layered single band systems, the interlayer conductivity depends on the orientation of the in-plane magnetic field and takes maximum values when the magnetic field is perpendicular to flat regions of the Fermi surface. Extending this…

Superconductivity · Physics 2009-10-26 Takao Morinari , Hiroki Nakamura , Masahiko Machida , Takami Tohyama

The interlayer exchange coupling mediated by the valence band electrons in $\textrm{(MnTe)}_{\textrm{m}} \textrm{(ZnTe)}_{\textrm{n}}$ superlattices has been examined theoretically. The calculations have been performed within the framework…

Soft Condensed Matter · Physics 2007-05-23 R. Wasowicz

Magnetic skyrmions are topologically non-trivial spin structure, and their existence in ferromagnetically coupled multilayers has been reported with disordered arrangement. In these multilayers, the heavy metal spacing layers provide an…

Strongly Correlated Electrons · Physics 2019-10-30 Yong Li , Qiyuan Feng , Sihua Li , Ke Huang , Weiliang Gan , Haibiao Zhou , Xiangjun Jin , Xiao Renshaw Wang , Fusheng Ma , Qingyou Lu , Wen Siang Lew

Metallic superlattices where the magnetization vectors in the adjacent ferromagnetic layers are antiferromagnetically coupled by the interlayer exchange coupling through nonmagnetic spacer layers are systems available for the systematic…

Materials Science · Physics 2020-07-01 Hiroto Masuda , Takeshi Seki , Yong-Chang Lau , Takahide Kubota , Koki Takanashi

The topological insulators have a gap in the bulk but extended states at the edge that can carry current. We study a geometry in which such edge states will manifest themselves through periodic oscillations in the magnetoconductance of a…

Mesoscale and Nanoscale Physics · Physics 2009-09-19 Rui-Lin Chu , Jian Li , J. K. Jain , Shun-Qing Shen

Collinear antiferromagnets (AFs) support two degenerate magnon excitations carrying opposite spin polarizations, by which magnons can function as electrons in various spin-related phenomena. In an insulating ferromagnet(F)/AF/F trilayer, we…

Mesoscale and Nanoscale Physics · Physics 2018-11-21 Ran Cheng , Di Xiao , Jian-Gang Zhu

Magnetic topological insulators such as Cr-doped (Bi,Sb)2Te3 provide a platform for the realization of versatile time-reversal symmetry-breaking physics. By constructing heterostructures with N\'eel order in an antiferromagnetic CrSb and…

We study the combined effect of temperature and disorder in the spacer on the interlayer exchange coupling. The temperature dependence is treated on ab initio level. We employ the spin-polarized surface Green function technique within the…

Mesoscale and Nanoscale Physics · Physics 2017-02-08 Vaclav Drchal , Josef Kudrnovsky , Patrick Bruno , Peter Dederichs , Peter Weinberger

The quasi-two-dimensional nature of the charge carriers energy spectrum in layered conductors leads to specific effects in an external magnetic field. The magnetoresistance of layered conductors in a wide range of strong magnetic fields…

Statistical Mechanics · Physics 2010-06-09 O. V. Kirichenko , Yu. A. Kolesnichenko , V. G. Peschansky

Layered magnets have recently received tremendous attention, however, spin-exchange coupling mechanism across their interlayer regions is yet to be revealed. Here, we report a Bethe-Slater-curve (BSC) like behavior in nine transition metal…

Materials Science · Physics 2020-07-15 Cong Wang , Xieyu Zhou , Linwei Zhou , Yuhao Pan , Zhong-Yi Lu , Xiangang Wan , Xiaoqun Wang , Wei Ji

A key element to tailor the properties of magnetic multilayers is the coupling between the individual magnetic layers. In case of skyrmion hosting multilayers, coupling of skyrmions across the magnetic layers is highly desirable. Here the…

In this work, we comprehensively investigate and discuss the structural, magnetostatic, dynamic, and magnetoresistive properties of epitaxial Co/Mo superlattices. The magnetization of the Co sublayers is coupled antiferromagnetically with a…

First-principles calculations have been performed in order to determine effective exchange integrals between {\it strongly} and {\it weakly} exchange-coupled Co monolayers in certain modulated periodic $CoCu_2/CoCu_n$-type superlattices…

Condensed Matter · Physics 2009-10-28 S. Krompiewski , F. Süss , U. Krey

This paper presents a review of the phenomenon of interlayer exchange coupling in magnetic multilayers. The emphasis is put on a pedagogical presentation of the mechanism of the phenomenon, which has been successfully explained in terms of…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Patrick Bruno

The angle-dependences of the magnetoresistance of two different isotopic substitutions (deuterated and undeuterated) of the layered organic superconductor \kappa-(ET)2Cu(NCS)2 are presented. The angle dependent magnetoresistance…

Strongly Correlated Electrons · Physics 2009-11-10 P. A. Goddard , S. J. Blundell , J. Singleton , R. D. McDonald , A. Ardavan , A. Narduzzo , J. A. Schlueter , A. M. Kini , T. Sasaki

We theoretically investigate the interlayer dipolar and exchange couplings for an array of metallic magnetic nanowires grown on top of an extended ultrathin yttrium iron garnet film. The calculated interlayer dipolar coupling agrees with…

Mesoscale and Nanoscale Physics · Physics 2019-04-24 Tao Yu , Chuanpu Liu , Haiming Yu , Yaroslav M. Blanter , Gerrit E. W. Bauer