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Over the past decade Spiking Neural Networks (SNN) have emerged as one of the popular architectures to emulate the brain. In SNN, information is temporally encoded and communication between neurons is accomplished by means of spikes. In…

Emerging Technologies · Computer Science 2016-12-14 Abhronil Sengupta , Aparajita Banerjee , Kaushik Roy

Nanoelectromangetomechanical systems (NEMMS) open up a new path for the development of high speed autonomous nanoresonators and signal generators that could be used as actuators, for information processing, as elements of quantum computers…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Helen V. Gomonay , Svitlana V. Kondovych , Vadim M. Loktev

An array of quantum rings with local (ring by ring) modulation of the spin orbit interaction (SOI) can lead to novel effects in spin state transformation of electrons. It is shown that already small (3x3, 5x5) networks are remarkably…

Mesoscale and Nanoscale Physics · Physics 2008-09-09 Peter Foldi , Orsolya Kalman , Mihaly G. Benedict , F. M. Peeters

We present an exact, analytic solution of the spin dependent quantum transport problem with spin-orbit interaction in a one-dimensional mesoscopic ring with one input and two output leads. We demonstrate that for appropriate parameters…

Quantum Physics · Physics 2008-01-24 Orsolya Kalman , Peter Foldi , Mihaly G. Benedict , F. M. Peeters

Electronic transport through a single-wall metallic carbon nanotube weakly coupled to one ferromagnetic and one nonmagnetic lead is analyzed in the sequential tunneling limit. It is shown that both the spin and charge currents flowing…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 I. Weymann , J. Barnas

Manipulation of magnetization by electric field is a central goal of spintronics because it enables energy-efficient operation of spin-based devices. Spin wave devices are promising candidates for low-power information processing but a…

We investigate the quantum transport dynamics of electrons in a multi-path Aharonov-Bohm interferometer comprising several parallel graphene nanoribbons. At low magnetic field strengths, the conductance displays a complex oscillatory…

Mesoscale and Nanoscale Physics · Physics 2023-09-13 Cynthia I. Osuala , Zitao Tang , Stefan Strauf , Eui-Hyeok Yang , Chunlei Qu

Whereas spintronics brings the spin degree of freedom to electronic devices, molecular/organic electronics adds the opportunity to play with the chemical versatility. Here we show how, as a contender to commonly used inorganic materials,…

Spin insulatronics covers efforts to generate, detect, control, and utilize high-fidelity pure spin currents and excitations inside magnetic insulators. Ultimately, the new findings may open doors for pure spin-based information and…

Mesoscale and Nanoscale Physics · Physics 2020-10-27 Arne Brataas , Bart van Wees , Olivier Klein , Gregoire de Loubens , Michel Viret

The notion of decoupling of spin and charge currents is one of the basic principles underlying the rapidly expanding feld of Spintronics. However, no direct demonstration of the phenomenon exists. We report a novel measurement, in which a…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 M. Urech , V. Korenivski , N. Poli , D. B. Haviland

Conventional magnonic devices use three classes of magnetostatic waves that require detailed manipulation of magnetization structure that makes the design and the device/circuitry scalability difficult tasks. Here, we demonstrate that…

Mesoscale and Nanoscale Physics · Physics 2017-07-04 X. S. Wang , H. W. Zhang , X. R. Wang

Magnetic skyrmions have been in the spotlight since their observation in technologically relevant systems at room temperature. More recently, there has been increasing interest in additional quasiparticles that may exist as…

Mesoscale and Nanoscale Physics · Physics 2023-02-08 Runze Chen , Yu Li , Vasilis F. Pavlidis , Christoforos Moutafis

Coherent control of individual molecular spins in nano-devices is a pivotal prerequisite for fulfilling the potential promised by molecular spintronics. By applying electric field pulses during time-resolved electron spin resonance…

Transport properties in mesoscopic networks are investigated, where the strength of the (Rashba-type) spin-orbit coupling is assumed to be tuned with external gate voltages. We analyze in detail to what extent the ideal behavior and…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Peter Foldi , Orsolya Kalman , F. M. Peeters

Zigzag edges of the honeycomb structure of graphene exhibit magnetic polarization making them attractive as building blocks for spintronic devices. Here, we show that devices with zigzag edged triangular antidots perform essential…

Mesoscale and Nanoscale Physics · Physics 2017-03-22 Søren Schou Gregersen , Stephen R. Power , Antti-Pekka Jauho

We introduce a spin-interference device that comprises a quantum ring (QR) with three embedded quantum point contacts (QPCs) and study theoretically its spin transport properties in the presence of Rashba spin-orbit interaction. Two of the…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 Leo Diago-Cisneros , Francisco Mireles

This paper presents a novel design concept for spintronic nanoelectronics that emphasizes a seamless integration of spin-based memory and logic circuits. The building blocks are magneto-logic gates based on a hybrid graphene/ferromagnet…

We fabricated a hybrid structure in which cobalt and permalloy micromagnets produce a local in-plane spin-dependent potential barrier for high-mobility electrons at the GaAs/AlGaAs interface. Spin effects are observed in ballistic transport…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 J. Wróbel , T. Dietl , A. Lusakowski , G. Grabecki , K. Fronc , R. Hey , K. H. Ploog , H. Shtrikman

Bio-inspired hardware holds the promise of low-energy, intelligent and highly adaptable computing systems. Applications span from automatic classification for big data management, through unmanned vehicle control, to control for bio-medical…

Emerging Technologies · Computer Science 2016-07-18 Julie Grollier , Damien Querlioz , Mark D. Stiles

Magnetic skyrmions, vortex-like swirling spin structures with quantized topological number, observed in chiral magnets, are appealing for potential applications in spintronics because it is possible to control their motion with ultralow…

Mesoscale and Nanoscale Physics · Physics 2013-10-08 Junichi Iwasaki , Masahito Mochizuki , Naoto Nagaosa
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