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Nanomagnetic logic has emerged as a potential replacement for traditional CMOS-based logic because of superior energy-efficiency. One implementation of nanomagnetic logic employs shape-anisotropic (e.g. elliptical) ferromagnets (with two…

Mesoscale and Nanoscale Physics · Physics 2016-10-12 M. Salehi-Fashami , M. Al-Rashid , Wei-Yang Sun , P. Nordeen , S. Bandyopadhyay , A. C. Chavez , G. P. Carman , J. Atulasimha

Nanomagnetic logic is an energy efficient computing architecture that relies on the dipole field coupling of neighboring magnets to transmit and process binary information. In this architecture, nanomagnet chains act as local interconnects.…

In a two-dimensional arrangement of closely spaced elliptical nanomagnets with in-plane magnetic anisotropy, whose major axes are aligned along columns and minor axes along rows, dipole coupling will make the magnetic ordering…

Mesoscale and Nanoscale Physics · Physics 2019-08-05 Md Ahsanul Abeed , Supriyo Bandyopadhyay

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,…

Nanomagnets with biaxial magnetocrystalline anisotropy have four stable magnetization orientations that can encode 4-state logic bits (00), (01), (11) and (10). Recently, a 4-state NOR gate derived from three such nanomagnets, interacting…

Mesoscale and Nanoscale Physics · Physics 2016-09-29 Noel D'Souza , Jayasimha Atulasimha , Supriyo Bandyopadhyay

Nanomagnetic logic transmits information along a path of nanomagnets. The basic mechanism to drive such a transmission, known as clocking, can be achieved by exploiting the spin-Hall effect, as recently observed in experiments on…

Mesoscale and Nanoscale Physics · Physics 2016-03-23 Vito Puliafito , Anna Giordano , Bruno Azzerboni , Giovanni Finocchio

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…

Strain-clocked dipole-coupled nanomagnetic logic is an energy-efficient Boolean logic paradigm whose progress has been stymied by its propensity for high error rates. In an effort to mitigate this problem, we have studied the effect of…

Mesoscale and Nanoscale Physics · Physics 2016-07-26 Md Mamun Al-Rashid , Jayasimha Atulasimha , Supriyo Bandyopadhyay

We propose and describe a magnetic NanoFabric which provides a route to building reconfigurable spin-based logic circuits compatible with conventional electron-based devices. A distinctive feature of the proposed NanoFabric is that a bit of…

Other Condensed Matter · Physics 2009-11-13 Alexander Khitun , Mingqiang Bao , Kang L. Wang

Nanomagnetic memory and logic are currently seen as promising candidates to replace current digital computing architectures due to its superior energy-efficiency, non-volatility and propensity for highly dense and low-power applications. In…

Mesoscale and Nanoscale Physics · Physics 2017-05-01 Mohammad Salehi Fashami , Noel D'Souza

The end of Moore's law for CMOS technology has prompted the search for low-power computing alternatives, resulting in several promising proposals based on magnetic logic[1-8]. One approach aims at tailoring arrays of nanomagnetic islands in…

Mesoscale and Nanoscale Physics · Physics 2021-09-08 Pieter Gypens , Jonathan Leliaert , Massimiliano Di Ventra , Bartel Van Waeyenberge , Daniele Pinna

Each single domain nano-magnet acts as a magnetic dipole in addition it oscillates its magnetization about the easy axis and rotates coherently depending upon temperature and anisotropy. In an ensemble of nano-magnets, the relaxation time…

Mesoscale and Nanoscale Physics · Physics 2013-02-04 Nilangshu K. Das , P. Barat

Two-dimensional arrays of magnetically coupled nanomagnets provide a mesoscopic platform for exploring collective phenomena as well as realizing a broad range of spintronic devices. In particular, the magnetic coupling plays a critical role…

In this work, we consider the possibility of using synthetic multiferroics comprising piezoelectric and magnetostrictive materials as an interconnect for nano magnetic logic circuits. The proposed interconnect resembles a parallel plate…

Materials Science · Physics 2013-10-01 Alexander Khitun

We model the stabilization of clusters and lattices of cuboidal particles with long-ranged magnetic dipolar and short-ranged surface interactions. Two realistic systems were considered: one with magnetization orientated in the [001]…

Soft Condensed Matter · Physics 2020-09-09 Igor Stankovic , Luis Lizardi , Carlos Garcia

We propose an all spin state element to enable all spin state machines using spin currents and nanomagnets. We demonstrate via numerical simulations the operation of a state element a critical building block for synchronous, sequential…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 Sasikanth Manipatruni , Dmitri E. Nikonov , Ian A. Young

The idea of nanomagnetic Boolean logic was advanced more than two decades ago. It envisaged the use of nanomagnets with two stable magnetization orientations as the primitive binary switch for implementing logic gates and ultimately…

Mesoscale and Nanoscale Physics · Physics 2023-01-24 Supriyo Bandyopadhyay

The stress-induced switching behavior of a multiferroic nanomagnet, dipole coupled to a hard nanomagnet, is numerically studied by solving the stochastic Landau-Lifshitz-Gilbert (LLG) equation for a single domain macro-spin state. Different…

Mesoscale and Nanoscale Physics · Physics 2016-07-26 Mohammad Salehi Fashami , Kamaram Munira , Supriyo Bandyopadhyay , Avik W Ghosh , Jayasimha Atulasimha

Quantum computation and simulation requires strong coherent coupling between qubits, which may be spatially separated. Achieving this coupling for solid-state based spin qubits is a long-standing challenge. Here we theoretically investigate…

Quantum Physics · Physics 2021-10-04 Yoav Romach , Tal Wasserman , Shai Tishby , Nir Bar-Gill

The realization and study of arrays of interacting magnetic nanoislands, such as artificial spin ices, have reached mature levels of control that allow design and demonstration of exotic, collective behaviors not seen in natural materials.…

Disordered Systems and Neural Networks · Physics 2021-11-18 Francesco Caravelli , Cristiano Nisoli
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