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We study the magnetic damping in the simplest of synthetic antiferromagnets, i.e. antiferromagnetically exchange-coupled spin valves in which applied magnetic fields tune the magnetic configuration to become noncollinear. We formulate the…

Mesoscale and Nanoscale Physics · Physics 2015-08-07 Takahiro Chiba , Gerrit E. W. Bauer , Saburo Takahashi

We study the electronic transport through a spin-1 molecule in which mechanical stretching produces a magnetic anisotropy. In this type of device, a vibron mode along the stretching axis will couple naturally to the molecular spin. We…

Strongly Correlated Electrons · Physics 2012-07-31 David A. Ruiz-Tijerina , Pablo S. Cornaglia , C. A. Balseiro , Sergio E. Ulloa

Exploring novel systems with perpendicular magnetic anisotropy (PMA) is vital for advancing memory devices. In this study, we report an intriguing PMA system involving an ultrathin Fe layer on an antiferromagnetic (AFM) CoO(001) surface.…

We adjust the transient dynamics of a piezo-actuated bimorph Atomic Force Microscopy (AFM) probe using a state feedback controller. This approach enables us to adjust the quality factor and the resonance frequency of the probe…

Atomic Physics · Physics 2012-04-16 Bilal Orun , Serkan Necipoglu , Cagatay Basdogan , Levent Guvenc

Atomic Force Microscopy (AFM) allows to probe matter at atomic scale by measuring the perturbation of a nanomechanical oscillator induced by near-field interaction forces. The quest to improve sensitivity and resolution of AFM has forced…

Mesoscale and Nanoscale Physics · Physics 2017-05-25 Alessandro Siria , Antoine Niguès

In crossbar array structures, which serves as an "In-Memory" compute engine for Artificial Intelligence hardware, write sneak path problem causes undesired switching of devices that degrades network accuracy. While custom crossbar…

Emerging Technologies · Computer Science 2023-04-12 Kezhou Yang , Abhronil Sengupta

The interplay between magnetic order and electronic topology in van der Waals materials enables extreme responses to external stimuli. The nodal-line semiconductor Mn3Si2Te6 exemplifies this, exhibiting colossal angular magnetoresistance…

The parametric torque presents a promising recording mechanism for MRAM, complementing Spin Transfer Torque and Spin Orbit Torque, enabling magnetization reversal in a nanomagnet using a DC electrical current. Its resonance nature allows…

Mesoscale and Nanoscale Physics · Physics 2025-04-16 Vadym Zayets

We present micromagnetic simulations and experiments on voltage-assisted field switching in perpendicular magnetic tunnel junctions (MTJs) with a synthetic antiferromagnetic (SAF) free layer, where the magnetic state of one sublayer is…

Mesoscale and Nanoscale Physics · Physics 2026-04-02 K. Fan , S. V. Beek , G. Talmelli , V. Kateel , D. Giuliano , B. Vermeulen , K. Cai , B. Sorée , J. D. Boeck , R. Carpenter , S. Rao , S. Couet , V. D. Nguyen , G. S. Kar

The local magnetic anisotropy of a typical crystalline compound is usually attributed to the combined effect of crystal electric fields and spin-orbit coupling. We show that this simple local picture is transformed in heavy-fermion…

Strongly Correlated Electrons · Physics 2025-08-05 Ewan Scott , Michal Kwasigroch

As a candidate material for applications such as magnetic memory, polycrystalline antiferromagnets offer the same robustness to external magnetic fields, THz spin dynamics, and lack of stray field as their single crystalline counterparts,…

Two-dimensional van der Waals (vdW) magnetic materials hold promise for the development of high-density, energy-efficient spintronic devices for memory and computation. Recent breakthroughs in material discoveries and spin-orbit torque…

Applied Physics · Physics 2024-03-25 Shivam N. Kajale , Thanh Nguyen , Mingda Li , Deblina Sarkar

The use of antiferromagnets in magnetoelectronic devices as counterparts of ferromagnets is a new, rapidly developing trend in spintronics that leverages antiferromagnetic (AFM) magnons for transmitting of spin currents. Van der Waals (vdW)…

The spin- and charge-density-wave order parameters of the itinerant antiferromagnet chromium are measured directly with non-resonant x-ray diffraction as the system is driven towards its quantum critical point with high pressure using a…

Strongly Correlated Electrons · Physics 2009-11-13 R. Jaramillo , Yejun Feng , J. C. Lang , Z. Islam , G. Srajer , H. M. Ronnow , P. B. Littlewood , T. F. Rosenbaum

When a nanoribbon is bent under a homogeneous external magnetic field, the effective magnetic field inside becomes either homogeneous or inhomogeneous, depending on the direction of the field. This enables the selective creation of bulk,…

Mesoscale and Nanoscale Physics · Physics 2025-08-22 Ponder Liu , Hao-Cheng Hung , You-Ting Huang , Jia-Cheng Li , Carmine Ortix , Ching-Hao Chang

Magnetic oscillation is a generic property of electronic conductors under magnetic fields and widely appreciated as a useful probe of their electronic band structure, i.e., the Fermi surface geometry. However, the usage of the strong static…

Strongly Correlated Electrons · Physics 2018-10-31 Hiroyuki Fujita , Masahiro Sato

Shape effects in magnetic particles are widely studied, because of the ability of the shape and the size to control the parameters of a sample during its production. Experiments with nano-sized samples show that the shape can affect also…

Mesoscale and Nanoscale Physics · Physics 2013-06-19 Svitlana V. Kondovych , Helen V. Gomonay , Vadim M. Loktev

How to efficiently manipulate the N\'eel vector of antiferromagnets (AFM) by electric methods is one of the major focuses in current antiferromagnetic spintronics. In this work, we investigated the ferroelectric control of magnetism in AFM…

Materials Science · Physics 2021-10-07 Fanxing Zheng , Meng Zhu , Xinlu Li , Peina Zhang , Jiuzhao Liu , Jianting Dong , Jia Zhang

Non-linear magnetization dynamics is essential for the operation of many spintronics devices. For microwave assisted switching of magnetic elements the low field regime is of particular interest. In addition a large number of experiments…

Mesoscale and Nanoscale Physics · Physics 2015-10-28 Hans G. Bauer , Peter Majchrak , Torsten Kachel , Christian H. Back , Georg Woltersdorf

Magnetoelastic coupling in van der Waals (vdW) magnetic materials enables a unique interplay between the spin and lattice degrees of freedom. Characterizing the elastic responses with atomic and femtosecond resolution across the magnetic…

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