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In this note, we study the effects of non-zero magnetic field on the fermion spectral function coupled with a non-minimal coupling in the background of a dyonic $AdS_4$ black hole. The system can be reduced to a non magnetic one with the…

High Energy Physics - Theory · Physics 2022-04-15 Sayan Chakrabarti , Debaprasad Maity , Wadbor Wahlang

We propose versatile materials based on the Ruderman-Kittel-Kasuya-Yosida (RKKY) interaction in a zigzag silicene nanoribbon (ZSNR) on half filling in the presence of an out-of-plane electric field. We show that the topological phase…

Mesoscale and Nanoscale Physics · Physics 2016-08-04 Moslem Zare , Fariborz Parhizgar , Reza Asgari

Within this paper we show the importance of accurate implementations of the RKKY interactions for antiferromagnetically coupled ferromagnetic layers with thicknesses exceeding the exchange length. In order to evaluate the performance of…

Materials Science · Physics 2023-04-05 Dieter Suess , Sabri Koraltan , Florian Slanovc , Florian Bruckner , Claas Abert

In this letter, we consider through simulation Ruderman-Kittel-Kasuya-Yosida (RKKY) interactions between nanomagnets sitting on a conductive surface, and voltage-controlled gating thereof for low-energy switching of nanomagnets for possible…

Mesoscale and Nanoscale Physics · Physics 2016-08-03 Bahniman Ghosh , Rik Dey , Leonard F. Register , Sanjay K. Banerjee

Magnetic nano-objects possess great potential for more efficient data processing, storage and neuromorphic type of applications. Using high perpendicular magnetic anisotropy synthetic antiferromagnets in the form of multilayer-based…

Current-induced magnetization switching, a fundamental phenomenon related to spin-transport of electrons, enables non-voltaic and fast information write, facilitating applications in low-power memory and logic devices. However,…

Materials Science · Physics 2025-07-30 Yanyan Yang , Weiwei Lin

We consider a nanoscale system consisting of Manganite-ferromagnet and Cuprate-superconductor multilayers in a spin valve configuration. The magnetization of the bottom Manganite-ferromagnet is pinned by a Manganite-antiferromagnet. The…

Superconductivity · Physics 2016-08-16 E. M. Stoudenmire , C. A. R. Sá de Melo

In this article we review and discuss a mechanism for coupling between electric polarization and magnetization that can ultimately lead to electric-field switchable magnetization. The basic idea is that a ferroelectric distortion in an…

Materials Science · Physics 2009-11-13 Claude Ederer , Craig J. Fennie

We theoretically investigate field-induced switching of magnetic topology in a nanodisk-shaped sample of noncentrosymmetric dipolar magnet in which the Dzyaloshinskii-Moriya interaction that stabilizes an antiskyrmion with $N_{\rm sk}$=+1…

Mesoscale and Nanoscale Physics · Physics 2025-09-15 Tatsuki Muto , Masahito Mochizuki

We report a heat switch effect in single crystals of an antiferromagnet Co$_3$V$_2$O$_8$, that is, the thermal conductivity ($\kappa$) can be changed with magnetic field in an extremely large scale. Due to successive magnetic phase…

Strongly Correlated Electrons · Physics 2016-06-15 X. Zhao , J. C. Wu , Z. Y. Zhao , Z. Z. He , J. D. Song , J. Y. Zhao , X. G. Liu , X. F. Sun , X. G. Li

The resistivity of disordered metallic layer sandwiched by two ferromagnetic layers at low-temperature is investigated theoretically. It is shown that the magnetic field acting at the interface does not affect the classical Boltzmann…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Gen Tatara , Hidetoshi Fukuyama

We show that the carrier-mediated exchange interaction, the so-called RKKY coupling, between two magnetic impurity moments in graphene is significantly modified in the presence of electron-electron interactions. Using the mean-field…

Strongly Correlated Electrons · Physics 2013-05-29 Annica M. Black-Schaffer

We use neutron scattering to study the influence of a magnetic field on spin structures of Nd$_2$CuO$_4$. On cooling from room temperature, Nd$_2$CuO$_4$ goes through a series of antiferromagnetic (AF) phase transitions with different…

Superconductivity · Physics 2009-11-10 Shiliang Li , Stephen D. Wilson , David Mandrus , Bairu Zhao , Y. Onose , Y. Tokura , Pengcheng Dai

Interfacing a ferromagnet with a polarized ferroelectric gate generates a non-uniform, interfacial spin density coupled to the ferroelectric polarization allowing so for an electric field control of effective transversal field to…

Strongly Correlated Electrons · Physics 2017-09-06 Yaojin Li , Min Chen , Jamal Berakdar , Chenglong Jia

The magnetic coupling between single Co atoms adsorbed on a copper surface is determined by probing the Kondo resonance using low-temperature scanning tunneling spectroscopy. The Kondo resonance, which is due to magnetic correlation effects…

Strongly Correlated Electrons · Physics 2007-05-23 P. Wahl , P. Simon , L. Diekhoener , V. S. Stepanyuk , P. Bruno , M. A. Schneider , K. Kern

We study clean ferromagnet-superconductor-ferromagnet (FSF) nanostructures in which the magnetization of the F layers can be parallel (P) or antiparallel (AP). We consider the case where the thickness of the S layer is of order of the…

Superconductivity · Physics 2009-11-11 Klaus Halterman , Oriol T. Valls

We consider a mesoscopic mechanism of the exchange interaction in a system of alternating ferromagnetic/nonmagnetic metallic layers. In the case of small mesoscopic samples the sign and the amplitude of the exchange energy turn out to be…

Condensed Matter · Physics 2007-05-23 B. Spivak , A. Zyuzin

We report a study of interlayer exchange interaction in multilayer CoPt/Co structures consisting of periodic CoPt multilayer film with an "easy axis" anisotropy and thick Co layer with an "easy plane" anisotropy separated by Pt spacer with…

Mesoscale and Nanoscale Physics · Physics 2016-11-23 E. S. Demidov , N. S. Gusev , L. I. Budarin , E. A. Karashtin , V. L. Mironov , A. A. Fraerman

Changes in the spin configuration of atomically-thin, magnetic van-der-Waals multilayers can cause drastic modifications in their opto-electronic properties. Conversely, the opto-electronic response of these systems provides information…

Mesoscale and Nanoscale Physics · Physics 2020-05-28 Zhe Wang , Marco Gibertini , Dumitru Dumcenco , Takashi Taniguchi , Kenji Watanabe , Enrico Giannini , Alberto F. Morpurgo

Artificial spin-ice systems, consisting of arrays of interacting ferromagnetic nanoelements, offer a versatile platform for reconfigurable magnonics with potential in GHz logic and neuromorphic computing. However, weak dipolar coupling…

Mesoscale and Nanoscale Physics · Physics 2024-11-25 Syamlal Sankaran Kunnath , Mateusz Zelent , Mathieu Moalic , Maciej Krawczyk