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Related papers: Multiple-stable anisotropic magnetoresistance memo…

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Recent advances in tuning the correlated behavior of graphene and transition-metal dichalcogenides (TMDs) have opened a new frontier in the study of many-body physics in two dimensions and promise exciting possibilities for new quantum…

Strongly Correlated Electrons · Physics 2019-11-06 Nityan L. Nair , Eran Maniv , Caolan John , Spencer Doyle , J. Orenstein , James G. Analytis

Memristors are non-volatile nano-resistors. Their resistance can be tuned by applied currents or voltages and set to a large number of levels between two limit values. Thanks to these properties, memristors are ideal building blocks for a…

Mesoscale and Nanoscale Physics · Physics 2016-05-26 Steven Lequeux , Joao Sampaio , Vincent Cros , Kay Yakushiji , Akio Fukushima , Rie Matsumoto , Hitoshi Kubota , Shinji Yuasa , Julie Grollier

Magnons, bosonic quasiparticles carrying angular momentum, can flow through insulators for information transmission with minimal power dissipation. However, it remains challenging to develop a magnon-based logic due to the lack of efficient…

It is shown that magnetic states and field-driven reorientation transitions in synthetic antiferromagnets crucially depend on contributions of higher-order anisotropies. A phenomenological macrospin model is derived to describe the magnetic…

Materials Science · Physics 2009-11-11 A. N. Bogdanov , U. K. Roessler

The shape of the Fermi surface influences many physical phenomena in materials and a growing interest in how the spin-dependent properties are related to the fermiology of crystals has surged. Recently, a novel current-dependent nonlinear…

Mesoscale and Nanoscale Physics · Physics 2024-05-14 Anna C. Marx , Homayoun Jafari , Eelco Tekelenburg , Maria A. Loi , Jagoda Slawinska , Marcos H. D. Guimaraes

Magnetoresistance (MR) has attracted tremendous attention for possible technological applications. Understanding the role of magnetism in manipulating MR may in turn steer the searching for new applicable MR materials. Here we show that…

Strongly Correlated Electrons · Physics 2015-02-04 Hai-Feng Li , Yinguo Xiao , Berthold Schmitz , Jörg Persson , Wolfgang Schmidt , Paul Meuffels , Georg Roth , Thomas Brückel

We show a novel magneto-resistive effect that appears in lithographically shaped, three-arm nanostructure, fabricated from ferromagnetic (Ga,Mn)As layers. The effect, related to a rearrangement of magnetic domain walls between different…

Materials Science · Physics 2009-11-11 T. Figielski , T. Wosinski , A. Morawski , A. Makosa , J. Wrobel , J. Sadowski

Lord Kelvin with his discovery of the anisotropic magnetoresistance (AMR) phenomenon in Ni and Fe was 70 years ahead of the formulation of relativistic quantum mechanics the effect stems from, and almost one and a half century ahead of…

Phenomena originated from spin-orbit interaction, such as magnetic anisotropy (MA), Rashba-type interactions, or topological insulators, have drawn huge attention for its intriguing physics. In particular, the search for a novel…

Materials Science · Physics 2016-02-17 Dorj Odkhuu , Noejung Park

Harnessing the unique properties of non-collinear antiferromagnets (AFMs) will be essential for exploiting the full potential of antiferromagnetic spintronics. Indeed, many of the effects enabling ferromagnetic spintronic devices have a…

Magnetic anisotropy in an antiferromagnet (AFM) with inversion symmetry breaking (ISB) is investigated. The magnetic anisotropy energy (MAE) resulting from the Rashba spin-orbit and s-d type exchange interactions is determined for two…

Mesoscale and Nanoscale Physics · Physics 2018-04-18 Jun'ichi Ieda , Stewart E. Barnes , Sadamichi Maekawa

The magnetic anisotropy of antiferromagnets plays a crucial role in stabilising the magnetisation of many spintronic devices. In non-collinear antiferromagnets such as IrMn the symmetry and temperature dependence of the effective anisotropy…

Materials Science · Physics 2019-12-18 Sarah Jenkins , Roy Chantrell , Timothy Klemmer , Richard F. L. Evans

MnBi$_2$Te$_4$ (MBT) is the first intrinsic magnetic topological insulator, combining a topologically protected surface metallic state and intrinsic magnetic order. A structural compatibility with the nonmagnetic Bi$_2$Te$_3$ (BT) parent…

Materials Science · Physics 2026-04-09 R. Kalvig , E. Jedryka , A. Lynnyk , P. Skupinski , K. Grasza , M. Wojcik

Multiferroic tunnel junctions (MFTJs) have already been proved to be promising candidates for application in spintronics devices. The coupling between tunnel magnetoresistance (TMR) and tunnel electroresistance (TER) in MFTJs can provide…

Materials Science · Physics 2019-06-25 Q. Liu , J. Miao , Z. D. Xu , P. F. Liu , Q. H. Zhang , L. Gu , K. K. Meng , X. G. Xu , J. K. Chen , Y. Wu , Y. Jiang

Fourfold anisotropic magnetoresistance (AMR) have been widely observed in quantum materials, but the underlying mechanisms remain poorly understood. Here we find, in a variety of three-dimensional Dirac materials that can be unifiedly…

Mesoscale and Nanoscale Physics · Physics 2025-07-23 Daifeng Tu , Can Wang , Jianhui Zhou

The study of magnetoresistance (MR) phenomena has been pivotal in advancing magnetic sensors and spintronic devices. Helimagnets present an intriguing avenue for spintronics research. Theoretical predictions suggest that MR magnitude in the…

Recent experiments in ferromagnetic atomic-sized contacts have shown that the anisotropic magnetoresistance (AMR) is greatly enhanced and has an asymmetric angular dependence as compared with that of bulk samples. The origin of these…

Mesoscale and Nanoscale Physics · Physics 2009-05-24 M. Häfner , J. K. Viljas , J. C. Cuevas

Here we demonstrate that MnTe epitaxial films with zinc-blend structure and MnTe/ZnTe multilayers should show ferroelectric polarization in antiferromagnetically (AFM) ordered state and thus belong to multiferroics. Spontaneous…

Materials Science · Physics 2008-11-14 Helen V. Gomonay , Ievgeniia G. Korniienko

The large magnetic anisotropy in the layered ferromagnet Fe_{1/4}TaS_2 leads to very sharp reversals of the magnetization $\bf M$ at the coercive field. We have exploited this feature to measure the anomalous Hall effect (AHE), focussing on…

Strongly Correlated Electrons · Physics 2009-11-13 J. G. Checkelsky , Minhyea Lee , E. Morosan , R. J. Cava , N. P. Ong

Spintronics has gone through substantial progress due to its applications in energy-efficient memory, logic and unconventional computing paradigms. Multilayer ferromagnetic thin films are extensively studied for understanding the domain…