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Novel noncollinear antiferromagnets with spontaneous time-reversal symmetry breaking, nontrivial band topology, and unconventional transport properties have received immense research interest over the past decade due to their rich physics…

Entanglement can improve the measurement precision of quantum sensors beyond the shot noise limit. Neutral atoms, the basis of some of the most precise and accurate optical clocks and interferometers, do not naturally exhibit all-to-all…

This study investigates a vortex sensor based on a nanoscale (sub-100 nm) magnetic tunnel junction (MTJ) with a strong shape anisotropy, designed for sensitivity to the out-of-plane magnetic field component ($H_z$). The sensor comprises a…

Mesoscale and Nanoscale Physics · Physics 2026-03-10 Ajay Jha , Alvaro Palomino , Stéphane Auffret , Hélène Béa , Ricardo C. Sousa , Liliana D. Buda-Prejbeanu , Bernard Dieny

We propose a device concept, based on monolayer stanene, able to provide highly polarized spin currents (up to a $98\%$) with voltage-controlled spin polarization operating at room temperature and with small operating voltage ($0.3$ V). The…

Mesoscale and Nanoscale Physics · Physics 2019-04-22 Enrique G. Marin , Damiano Marian , Giuseppe Iannaccone , Gianluca Fiori

Spin field-effect transistors (SFETs) are promising candidates for low-power spin-based electronics, yet existing realizations that rely on spin-orbit coupling are constrained by limited material choices and short spin-coherence lengths.…

Materials Science · Physics 2025-12-03 Ziye Zhu , Xianzhang Chen , Xunkai Duan , Zhou Cui , Jiayong Zhang , Igor Zutic , Tong Zhou

The anomalous Nernst effect in nanostructured magnetic materials is a key phenomenon to optimally control and employ the internal energy dissipated in electronic devices, being dependent on for instance the magnetic anisotropy of the active…

A two-core transducer assembly using a Fe73.5Nb3Cu1Si13.5B9 ribbon to detect a change of magnetic field is proposed and tested for displacement (linear and angular) and current sensor. Two identical inductors, with the ribbon as core, are a…

Materials Science · Physics 2007-05-23 B. Kaviraj , S. K. Ghatak

The current generation of spintronic devices, which use electron-spin relies on linear operations for spin-injection, transport and detection processes. The existence of nonlinearity in a spintronic device is indispensable for spin-based…

Mesoscale and Nanoscale Physics · Physics 2021-01-04 S. Omar , M. Gurram , K. Watanabe , T. Taniguchi , M. H. D. Guimarães , B. J. van Wees

Quantum sensors have attracted broad interest in the quest towards sub-micronscale NMR spectroscopy. Such sensors predominantly operate at low magnetic fields. Instead, however, for high resolution spectroscopy, the high-field regime is…

We present a novel approach to the detection of weak magnetic fields that takes advantage of recently developed techniques for the coherent control of solid-state electron spin quantum bits. Specifically, we investigate a magnetic sensor…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 J. M. Taylor , P. Cappellaro , L. Childress , L. Jiang , D. Budker , P. R. Hemmer , A. Yacoby , R. Walsworth , M. D. Lukin

Measurement devices could benefit from entangled correlations to yield a measurement sensitivity approaching the physical Heisenberg limit. Building upon previous magnetometric work using pseudo-entangled spin states in solution-state NMR,…

We theoretically investigate the intrinsic magnon orbital Nernst effect (ONE) in noncollinear antiferromagnets with Kagom\'e spin systems. Our analysis reveals that an externally applied magnetic field induces topological phase transitions…

We propose to use oscillating spin currents with slowly varying frequency (chirp) to manipulate and control the magnetization dynamics in a nanomagnet. By recasting the Landau-Lifshitz-Slonczewski equation in a quantum-like two-level…

Mesoscale and Nanoscale Physics · Physics 2017-10-11 Guillaume Klughertz , Lazar Friedland , Paul-Antoine Hervieux , Giovanni Manfredi

Spin-orbit torques enable energy-efficient manipulation of magnetization by electric current and hold promise for applications ranging from nonvolatile memory to neuromorphic computing. Here we report the discovery of a giant spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2024-01-11 Eric Arturo Montoya , Xinyao Pei , Ilya N. Krivorotov

In the race towards "beyond 6G" telecommunication platforms, magnonics emerges as a promising solution due to its wide tunability within the FR3 band (7-24 GHz). So far, however, the need for an external magnetic bias field to allow the…

Graphene nanoribbons (GNRs) have been proposed as potential building blocks for field effect transistor (FET) devices due to their quantum confinement bandgap. Here, we propose a novel GNR device concept, enabling the control of both charge…

Mesoscale and Nanoscale Physics · Physics 2017-03-03 Peter Vancso , Imre Hagymasi , Levente Tapaszto

We theoretically demonstrate linear spin-wave nonreciprocity in a Ni80Fe20 nanostripe waveguide, based on interband magnonic transitions induced by a time-reversal and spatialinversion symmetry breaking magnetic field. An analytical…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 Kai Di , Hock Siah Lim , Vanessa Li Zhang , Ser Choon Ng , Meng Hau Kuok

Spin-based logic devices could operate at very high speed with very low energy consumption and hold significant promise for quantum information processing and metrology. Here, an in-house developed, experimentally verified, ensemble…

Computational Physics · Physics 2018-01-03 B. Thorpe , K. Kalna , F. C. Langbein , S Schirmer

Spin-orbit torque and spin-transfer torque are leading the pathway to the future of spintronic memories. However, both of the mechanisms are suffering from intrinsic limitations. In particular, an external magnetic field is required for…

With ever increasing research on magnetic nano systems it is shown to have great potential in the areas of magnetic storage, biosensing, magnetoresistive insulation etc. In the field of biosensing specifically Spin Valve sensors coupled…

Emerging Technologies · Computer Science 2015-12-01 Tathagata Srimani , Bibhas Manna , Anand Kumar Mukhopadhyay , Kaushik Roy , Mrigank Sharad
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