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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

Modern magnetic thin film devices owe their success in large part to effects emerging from interlayer coupling and exchange interaction at interfaces. A prominent example is exchange bias (EB), a magnetic coupling phenomenon found in…

Materials Science · Physics 2009-12-15 Sebastian Brück , Patrick Audehm , Gisela Schütz , Eberhard Goering

While tremendous success has been achieved to date in creating both single phase and composite magnetoelectric materials, the quintessential electric-field control of magnetism remains elusive. In this work, we demonstrate a linear…

Materials Science · Physics 2011-11-10 J. M. Rondinelli , M. Stengel , N. A. Spaldin

The exploration of exchange bias (EB) on the nanoscale provides a novel approach to improving the anisotropic properties of magnetic nanoparticles for prospective applications in nanospintronics and nanomedicine. However, the physical…

Electric-field controlled exchange bias in a heterostructure composed of the ferromagnetic manganite La0.7Sr0.3MO3 and the ferroelectric antiferromagnetic BiFeO3 has recently been demonstrated experimentally. By means of a microscopic model…

Strongly Correlated Electrons · Physics 2011-07-19 M. J. Calderon , S. Liang , R. Yu , J. Salafranca , S. Dong , S. Yunoki , L. Brey , A. Moreo , E. Dagotto

Electric field control of the exchange bias effect across ferromagnet/antiferromagnet (FM/AF) interfaces has offered exciting potentials for low-energy-dissipation spintronics. In particular, the solid state magneto-ionic means is highly…

The spin configuration in the ferromagnetic part during the magnetization reversal plays a crucial role in the exchange bias effect. Through Monte Carlo simulation, the exchange bias effect in ferromagnetic-antiferromagnetic core-shell…

Applied Physics · Physics 2018-01-29 Rui Wu , Shilei Ding , Youfang Lai , Guang Tian , Jinbo Yang

Exerting control of the magnetic exchange interaction in heterostructures is of both basic interest and has potential for use in spin-based applications relying on quantum effects. We here show that the sign of the exchange interaction in a…

Superconductivity · Physics 2019-07-03 Jabir Ali Ouassou , Jacob Linder

We investigate the far-from-equilibrium nature of magnetic anisotropy and exchange interactions between molecular magnets embedded in a tunnel junction. By mapping to an effective spin model, these magnetic interactions can be divided into…

Mesoscale and Nanoscale Physics · Physics 2015-01-08 Jonas Fransson , Jie Ren , Jian-Xin Zhu

In conventional exchange-bias system comprising of a bilayer film of ferromagnet (FM) and antiferromagnet (AFM), investigating the role of spin-disorder and spin-frustration inside the AFM and at the interface has been crucial in…

Materials Science · Physics 2020-11-30 Suman Mundlia , Karthik V. Raman

In metal/oxide heterostructures, rich chemical, electronic, magnetic and mechanical properties can emerge from interfacial chemistry and structure. The possibility to dynamically control interface characteristics with an electric field…

Materials Science · Physics 2015-06-22 Uwe Bauer , Lide Yao , Satoru Emori , Harry L. Tuller , Sebastiaan van Dijken , Geoffrey S. D. Beach

The properties of quantum systems interacting with their environment, commonly called open quantum systems, can be strongly affected by this interaction. While this can lead to unwanted consequences, such as causing decoherence in qubits…

Intrinsic magnetoelectric coupling describes the interaction between magnetic and electric polarization through an inherent microscopic mechanism in a single phase material. This phenomenon has the potential to control the magnetic state of…

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

It was experimentally observed that both magnetic anisotropy and spin-orbit interaction strength change when the magnetization of the nanomagnet is reversed. This indicates a variation in spin-orbit interaction strength depending on whether…

Mesoscale and Nanoscale Physics · Physics 2024-07-10 Vadym Zayets

We study the combined effects of spin transfer torque, voltage modulation of interlayer exchange coupling and magnetic anisotropy on the switching behavior of perpendicular magnetic tunnel junctions (p-MTJs). In asymmetric p-MTJs, a…

Materials Science · Physics 2020-02-19 D. J. P. de Sousa , P. M. Haney , D. L. Zhang , J. P. Wang , Tony Low

The exchange interaction determines the ferromagnetic (FM) or antiferromagnetic (AFM) ordering of atomic spins. When ferromagnets and antiferromagnets are coupled together, they often exhibit the exchange bias effect, a unidirectional…

Materials Science · Physics 2020-10-16 Sarah Jenkins , Wei Jia Fan , Roxana Gaina , Roy W Chantrell , Timothy Klemmer , Richard F L Evans

Magnetic systems exhibiting exchange bias effect are being considered as materials for applications in data storage devices, sensors and biomedicine. As the size of new mag- netic devices is being continuously reduced, the influence of…

We address the electronically induced anisotropy field acting on a spin moment comprised in a vibrating magnetic molecule located in the junction between ferromagnetic metals. Under weak coupling between the electrons and molecular…

Mesoscale and Nanoscale Physics · Physics 2018-06-20 J. D. Vasquez Jaramillo , H. Hammar , J. Fransson

Roughness-insensitive and electrically controllable magnetization at the (0001) surface of antiferromagnetic chromia is observed using magnetometry and spin-resolved photoemission measurements and explained by the interplay of surface…

Materials Science · Physics 2010-07-27 Xi He , Yi Wang , Ning Wu , Anthony Caruso , Elio Vescovo , K. D. Belashchenko , Peter A. Dowben , Christian Binek