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Related papers: Electric-Field Control of the Interlayer Exchange …

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We demonstrate, using computer simulations and a non-equilibrium Greens function approach, that the sign of the out-of-equilibrium interlayer exchange coupling (ooeIEC) can change in the presence of an externally applied electrical bias.…

Mesoscale and Nanoscale Physics · Physics 2026-04-08 Nathan A. Walker , Alex D. Durie , Andrey Umerski

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…

The interlayer exchange coupling (IEC) of two local moment ferromagnetic layers separated by a non-magnetic spacer layer (M/N/M multilayer) is studied using the modified RKKY method along with the s-f model. The IEC exhibits oscillatory…

Condensed Matter · Physics 2009-11-07 S. Mathi Jaya , M. C. Valsakumar , W. Nolting

Ab initio formulations of the interlayer exchange coupling (IEC) between two, in general non-collinearly aligned magnetic slabs embedded in a non-magnetic spacer are reviewed whereby both the spacer and the magnetic slabs as well as their…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Josef Kudrnovsky , Vaclav Drchal , Ilja Turek , Patrick Bruno , Peter Dederichs , Peter Weinberger

We show, theoretically, that the phase of the interlayer exchange coupling (IEC) undergoes a topological change of approximately $2\pi$ as the chemical potential of the ferromagnetic (FM) lead moves across a hybridization gap (HG). The…

Mesoscale and Nanoscale Physics · Physics 2017-09-28 A. Umerski

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

Ferromagnetic side layers sandwiching a nonmagnetic spacer as a metallic trilayer has become a pivotal platform for achieving spintronic devices. Recent experiments demonstrate that manipulating the width or the nature of conducting spacer…

Materials Science · Physics 2024-09-09 Guan-Wei Peng , Hung-Chin Wang , Yu-Jie Zhong , Chao-Cheng Kaun , Ching-Hao Chang

Electron-mediated voltage control of exchange coupling (EM-VCEC) has been proposed as a mechanism for magnetization switching via modulation of spin-dependent electron reflection. However, its experimental verification has been challenging…

Electrical current-induced deterministic magnetization switching in a magnetic multilayer structure without external magnetic field is realized by utilizing interlayer exchange coupling. Two ferromagnetic Co layers, with in-plane and…

Materials Science · Physics 2018-04-04 Yu Sheng , Kevin William Edmonds , Xingqiao Ma , Houzhi Zheng , Kaiyou Wang

We demonstrated an electric field controlled exchange bias (EB) effect accompanied with unipolar resistive switching behavior in the Si/SiO2/Pt/Co/NiO/Pt device. By applying certain voltages, the device displays obvious EB in…

Materials Science · Physics 2017-10-06 L. J. Wei , Z. Z. Hu , Y. J. Wang , G. X. Du , Y. Yuan , J. Wang , H. Q. Tu , B. You , S. M. Zhou , Y. Hu , J. Du

We propose a magnetic multilayer layout, in which the indirect exchange coupling (IEC also known as RKKY) can be switched on and off by a slight change in temperature. We demonstrate such on/off IEC switching in a Fe/Cr/FeCr-based system…

Applied Physics · Physics 2018-10-18 D. M. Polishchuk , Yu. O. Tykhonenko-Polishchuk , A. F. Kravets , V. Korenivski

Interlayer exchange coupling (IEC) between two magnetic layers sandwiched by a nonmagnetic spacer layer plays a critical role in shaping the magnetic properties of such heterostructures. The quantum anomalous Hall (QAH) effect has been…

Mesoscale and Nanoscale Physics · Physics 2025-09-09 Ruoxi Zhang , Yi-Fan Zhao , Ling-Jie Zhou , Deyi Zhuo , Zi-Jie Yan , Chao-Xing Liu , Moses H. W. Chan , Chui-Zhen Chen , Cui-Zu Chang

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

We theoretically investigate the effective exchange interaction, $J_\mathrm{eff}$, mediated by conductive electrons within a nonmagnetic metal spacer, in the presence of a bias voltage, sandwiched by two ferromagnetic insulators. On the…

Mesoscale and Nanoscale Physics · Physics 2019-12-09 Kohei Ohgane , Yuta Yahagi , Daisuke Miura , Akimasa Sakuma

Controlling magnetism by purely electrical means is a key challenge to better information technology1. A variety of material systems, including ferromagnetic (FM) metals2,3,4, FM semiconductors5, multiferroics6,7,8 and magnetoelectric (ME)…

Mesoscale and Nanoscale Physics · Physics 2018-03-21 Shengwei Jiang , Jie Shan , Kin Fai Mak

We have found that some periods of interlayer exchange coupling (IEC) oscillations as a function of cap-layer (CL) thickness may be suppressed if the in-plane extremal spanning vectors of the cap- and ferromagnet-materials Fermi surfaces do…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 M. Zwierzycki , S. Krompiewski

Owing to the unique features of low Gilbert damping, long spin-diffusion lengths and zero Ohmic losses, magnetic insulators are promising candidate materials for next-generation spintronic applications. However, due to the localized…

Perpendicular magnetic tunnel junctions (p-MTJs) switched utilizing bipolar electric fields have extensive applications in energy-efficient memory and logic devices. Voltage-controlled magnetic anisotropy linearly lowers the energy barrier…

Exchange bias is a unidirectional magnetic anisotropy that often arise from interfacial interaction of a ferromagnetic and antiferromagnetic layers. In this article, we show that a metallic layer with spin-orbit coupling can induces an…

Mesoscale and Nanoscale Physics · Physics 2024-11-26 Adam B. Cahaya , Ansell Alvarez Anderson , Anugrah Azhar , Muhammad Aziz Majidi

We study the influence of collective magnetic excitations on the interlayer exchange coupling (IEC) in metallic multilayers. The results are compared to other models that explain the temperature dependence of the IEC by mechanisms within…

Strongly Correlated Electrons · Physics 2007-05-23 S. Schwieger , W. Nolting
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