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Flexible ferromagnetic rings are spin-chain magnets, in which the magnetic and mechanical subsystems are coupled. The coupling is achieved through the tangentially oriented anisotropy axis. The possibility to operate the mechanics of the…

Mesoscale and Nanoscale Physics · Physics 2019-01-09 Yuri Gaididei , Kostiantyn V. Yershov , Denis D. Sheka , Volodymyr P. Kravchuk , Avadh Saxena

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…

Nanomagnetic logic, which makes use of arrays of dipolar-coupled single domain nanomagnets for computation, holds promise as a low power alternative to traditional computation with CMOS. Beyond the use of nanomagnets for Boolean logic,…

Wristwatches have been a common fashion accessory addition for several people. However, the concept of using a seven-segment digital display or sometimes, even an analog indicator hasn't changed for a number of years. This project aims to…

Other Computer Science · Computer Science 2021-02-15 Jacob John

On-chip micromagnets enable electrically controlled quantum gates on electron spin qubits. Extending the concept to a large number of qubits is challenging in terms of providing large enough driving gradients and individual addressability.…

Mesoscale and Nanoscale Physics · Physics 2023-04-12 Michele Aldeghi , Rolf Allenspach , Gian Salis

As CMOS technologies face challenges in dimensional and voltage scaling, the demand for novel logic devices has never been greater, with spin-based devices offering scaling potential, at the cost of significantly high switching energies.…

To bring Spin Wave (SW) based computing paradigm into practice and develop ultra low power Magnonic circuits and computation platforms, one needs basic logic gates that operate and can be cascaded within the SW domain without requiring back…

Mesoscale and Nanoscale Physics · Physics 2021-06-22 Abdulqader Mahmoud , Frederic Vanderveken , Christoph Adelmann , Florin Ciubotaru , Said Hamdioui , Sorin Cotofana

We demonstrate for the first time that functionally complete digital logic can be created by using three terminal devices each consisting of a magnetic tunnel junction (MTJ) and spin transfer torque (STT) element with a shared free magnetic…

Mesoscale and Nanoscale Physics · Physics 2015-03-17 Benjamin Buford , Albrecht Jander , Pallavi Dhagat

We demonstrate an invertible all-optical gate on chip, with the roles of control and signal switchable by slightly adjusting their relative arrival time at the gate. It is based on quantum Zeno blockade driven by sum-frequency generation in…

Optics · Physics 2024-05-02 Zhan Li , Jiayang Chen , Yongmeng Sua , Zhaohui Ma , Chao Tang , Yu-ping Huang

Magnetic nanorings have been widely studied due to their potential applications in spintronic and magnonic devices. In this work, by means of analytical calculations and micromagnetic simulations we have analyzed the magnetic energy of…

Mesoscale and Nanoscale Physics · Physics 2019-05-01 M. Castro , A. P. Espejo , N. M. Vargas , D. Altbir , S. Allende , V. L. Carvalho-Santos

Invertible logic can operate in one of two modes: 1) a forward mode, in which inputs are presented and a single, correct output is produced, and 2) a reverse mode, in which the output is fixed and the inputs take on values consistent with…

Hardware Architecture · Computer Science 2026-03-31 Sean C. Smithson , Naoya Onizawa , Brett H. Meyer , Warren J. Gross , Takahiro Hanyu

We report the electronic structure and magnetic ordering of the single molecule magnet [Mn$_{10}$O$_{4}$(2,2'-biphenoxide)$_{4}$Br$_{12}$]$^{4-}$ based on first-principles all-electron density-functional calculations. We find that two of…

Materials Science · Physics 2009-11-07 Jens Kortus , Tunna Baruah , N. Bernstein , Mark R. Pederson

When fabricating magnetic memories, one of the main challenges is to maintain the bit stability while downscaling. Indeed, for magnetic volumes of a few thousand nm3, the energy barrier between magnetic configurations becomes comparable to…

Materials Science · Physics 2016-05-24 A. Mizrahi , N. Locatelli , R. Lebrun , V. Cros , A. Fukushima , H. Kubota , S. Yuasa , D. Querlioz , J. Grollier

Electric field control of magnetic properties offers a broad and promising toolbox for enabling ultra-low power electronics. A key challenge with high technological relevance is to master the interplay between the magnetic anisotropy of a…

This paper presents a ternary half adder and a 1-trit multiplier using carbon nanotube transistors. The proposed circuits are designed using pass transistor logic and dynamic logic. Ternary logic uses less connections than binary logic, and…

Emerging Technologies · Computer Science 2021-10-07 Farzin Mahboob-Sardroudi , Mehdi Habibi , Mohammad-Hossein Moaiyeri

Biochemical computing attempts to process information with biomolecules and biological objects. In this work we review our results on analysis and optimization of single biochemical logic gates based on enzymatic reactions, and a network of…

Molecular Networks · Quantitative Biology 2010-09-22 Mary A. Arugula , Jan Halamek , Evgeny Katz , Dmitriy Melnikov , Marcos Pita , Vladimir Privman , Guinevere Strack

A good qubit must have a coherence time long enough for gate operations to be performed. Avoided level crossings allow for clock transitions in which coherence is enhanced by the insensitivity of the transition to fluctuations in external…

Quantum Physics · Physics 2020-08-19 Charles A. Collett , Paolo Santini , Stefano Carretta , Jonathan R. Friedman

Truly polymorphic circuits, whose functionality/circuit behavior can be altered using a control variable, can provide tremendous benefits in multi-functional system design and resource sharing. For secure and fault tolerant hardware designs…

Hardware Architecture · Computer Science 2018-07-05 Naveen Kumar Macha , Sandeep Geedipally , Bhavana Repalle , Md Arif Iqbal , Wafi Danesh , Mostafizur Rahman

The high-quality-factor mechanical resonator in electromechanical systems has facilitated dynamic control of phonons via parametric nonlinear processes and paved the development of mechanical logic-elements. However the resonating element…

Mesoscale and Nanoscale Physics · Physics 2019-02-28 Daiki Hatanaka , Tom Darras , Imran Mahboob , Koji Onomitsu , Hiroshi Yamaguchi

Thermodynamic properties as well as low-energy magnon excitations of $S=1$ honeycomb-layered Na$_3$Ni$_2$SbO$_6$ have been investigated by high-resolution dilatometry, static magnetisation, and high-frequency electron spin resonance studies…

Strongly Correlated Electrons · Physics 2017-08-02 Johannes Werner , Waldemar Hergett , Mario Gertig , Jaena Park , Changhyun Koo , Rüdiger Klingeler
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