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Related papers: Switching energy-delay of all-spin logic devices

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Spin waves (SWs), the collective precessional motion of spins in a magnetic system, have been proposed as a promising alternative system with low-power consumption for encoding information. Spin Hall nano-oscillator (SHNO), a new-type…

Mesoscale and Nanoscale Physics · Physics 2020-12-02 Liyuan Li , Lina Chen , Ronghua Liu , Youwei Du

Tailoring spin coupling to electric fields is central to spintronics and spin-based quantum information processing. We present an optimal micromagnet design that produces appropriate stray magnetic fields to mediate fast electrical spin…

Harnessing pre-trained LLMs to improve ASR systems, particularly for low-resource languages, is now an emerging area of research. Existing methods range from using LLMs for ASR error correction to tightly coupled systems that replace the…

Computation and Language · Computer Science 2024-08-30 Ashish Mittal , Darshan Prabhu , Sunita Sarawagi , Preethi Jyothi

We present artificial neural network design using spin devices that achieves ultra low voltage operation, low power consumption, high speed, and high integration density. We employ spin torque switched nano-magnets for modelling neuron and…

Disordered Systems and Neural Networks · Physics 2012-08-16 Mrigank Sharad , Charles Augustine , Georgios Panagopoulos , Kaushik Roy

It has been recently shown that multiferroic logic - where logic bits are encoded in the magnetization orientation of a nanoscale magnetostrictive layer elastically coupled to a piezoelectric layer - can be Bennett clocked with small…

Mesoscale and Nanoscale Physics · Physics 2015-04-30 Mohammad Salehi Fashami , Kuntal Roy , Jayasimha Atulasimha , Supriyo Bandyopadhyay

Energy-efficient communication using a class of spatial modulation (SM) that encodes the source information entirely in the antenna indices is considered in this paper. The energy-efficient modulation design is formulated as a convex…

Information Theory · Computer Science 2023-07-19 Ronald Y. Chang , Sian-Jheng Lin , Wei-Ho Chung

We study theoretically electron spins in nanowire quantum dots placed inside a transmission line resonator. Because of the spin-orbit interaction, the spins couple to the electric component of the resonator electromagnetic field and enable…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Mircea Trif , Vitaly N. Golovach , Daniel Loss

Magnetoelectronics is mainly digital, i.e. governed by up and down magnetizations. In contrast, analogue magnetoelectronics makes use of phenomena occuring for non-collinear magnetization configurations. Here we review theories which have…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 Gerrit E. W. Bauer , Yaroslav Tserkovnyak , Daniel Huertas-Hernando , Arne Brataas

Energy efficient nanomagnetic logic (NML) computing architectures propagate and process binary information by relying on dipolar field coupling to reorient closely-spaced nanoscale magnets. Signal propagation in nanomagnet chains of various…

Spintronic logic devices require efficient spin-charge interconversion: converting charge current to spin current and spin current to charge current. In spin-orbit materials that are regarded as the most promising candidate for spintronic…

Materials Science · Physics 2024-01-30 Zixu Wang , Zhizhong Chen , Rui Xu , Hanyu Zhu , Ravishankar Sundararaman , Jian Shi

An ideal switching effect is discovered in a semiconductor nanowire with a spatially-periodic Rashba structure. Bistable `ON' and `OFF' states can be realized by tuning the gate voltage applied on the Rashba regions. The energy range and…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 S. J. Gong , Z. Q. Yang

Ambient backscatter (AB) communication is an emerging wireless communication technology that enables wireless devices (WDs) to communicate without requiring active radio transmission. In an AB communication system, a WD switches between…

Networking and Internet Architecture · Computer Science 2019-01-04 Xiaokang Wen , Suzhi Bi , Xiaohui Lin , Lina Yuan , Juan Wang

Artificial spin ice (ASI) are arrays on nanoscaled magnets that can serve both as models for frustration in atomic spin ice as well as for exploring new spin-wave-based strategies to transmit, process, and store information. Here, we…

Mesoscale and Nanoscale Physics · Physics 2021-02-19 Sergi Lendinez , Mojtaba T. Kaffash , M. Benjamin Jungfleisch

Antenna technology provides the crucial interface between electronic devices and electromagnetic waves required for wireless communications. This technology has operated under largely the same general principles for over a century,…

Applied Physics · Physics 2020-01-23 Kevin Quy Tanh Luong , Wei Gu , Foad Fereidoony , Lap Yeung , Zhi Yao , Yuanxun Ethan Wang

The intense interest in spin-based quantum information processing has caused an increasing overlap between two traditionally distinct disciplines, such as magnetic resonance and nanotechnology. In this work we discuss rigourous design…

Mesoscale and Nanoscale Physics · Physics 2013-01-24 J. P. Dehollain , J. J. Pla , E. Siew , K. Y. Tan , A. S. Dzurak , A. Morello

We develop a theory for spin transport and magnetization dynamics in a quantum-dot spin valve, i.e., two magnetic reservoirs coupled to a quantum dot. Our theory is able to take into account effects of strong correlations. We demonstrate…

Mesoscale and Nanoscale Physics · Physics 2018-01-09 N. M. Gergs , S. A. Bender , R. A. Duine , D. Schuricht

While magnetic solid-state memory has found commercial applications to date, magnetic logic has rather remained on a conceptual level so far. Here, we discuss open challenges of different spintronic logic approaches, which use magnetic…

Emerging Technologies · Computer Science 2024-01-19 Christoph Adelmann , Florin Ciubotaru , Fanfan Meng , Sorin Cotofana , Sebastien Couet

Spintronics has advanced through discoveries of various electrically-driven spin dynamics in nanomagnets. Here, we report a novel switching dynamics of spin systems driven by spin-orbit torque, using a noncollinear antiferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2026-05-19 Yuma Sato , Yutaro Takeuchi , Yuta Yamane , Shun Kanai , Shunsuke Fukami

Nanomagnets driven by spin currents provide a natural implementation for a neuron and a synapse: currents allow convenient summation of multiple inputs, while the magnet provides the threshold function. The objective of this paper is to…

Mesoscale and Nanoscale Physics · Physics 2016-09-27 Vinh Quang Diep , Brian Sutton , Behtash Behin-Aein , Supriyo Datta

We demonstrate a compact technique to compress electron pulses to attosecond length, while keeping the energy spread reasonably small. The technique is based on Dielectric Laser Acceleration (DLA) in nanophotonic silicon structures. Unlike…

Accelerator Physics · Physics 2021-02-17 Uwe Niedermayer , Dylan S. Black , Kenneth J. Leedle , Yu Miao , Robert L. Byer , Olav Solgaard