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We report on the first experimental demonstration of majority logic operation using spin waves in a scaled device with an in-line input and output layout. The device operation is based on the interference of spin waves generated and…

Mesoscale and Nanoscale Physics · Physics 2021-06-22 Florin Ciubotaru , Giacomo Talmelli , Thibaut Devolder , Odysseas Zografos , Marc Heyns , Christoph Adelmann , Iuliana P. Radu

The design of a microstructured, fully functional spin-wave majority gate is presented and studied using micromagnetic simulations. This all-magnon logic gate consists of three-input waveguides, a spin-wave combiner and an output waveguide.…

We propose the utilization of isotropic forward volume magneto-static spin waves in modern wave-based logic devices and suggest a concrete design for a spin-wave majority gate operating with these waves. We demonstrate by numerical…

Mesoscale and Nanoscale Physics · Physics 2015-06-08 Stefan Klingler , Philipp Pirro , Thomas Brächer , Britta Leven , Burkard Hillebrands , Andrii V. Chumak

Spin waves are excitations in ferromagnetic media that have been proposed as information carriers in hybrid spintronic devices with much lower operation power than conventional charge-based electronics. Their wave nature can be exploited in…

A spin wave majority fork-like structure with feature size of 40\,nm, is presented and investigated, through micromagnetic simulations. The structure consists of three merging out-of-plane magnetization spin wave buses and four…

Boolean logic is the foundation of modern digital information processing. Recently, there has been a growing interest in phenomena based on pure spin currents, which allow to move from charge to spin based logic gates. We study a…

Mesoscale and Nanoscale Physics · Physics 2016-08-03 Kathrin Ganzhorn , Stefan Klingler , Tobias Wimmer , Stephan Geprägs , Rudolf Gross , Hans Huebl , Sebastian T. B. Goennenwein

A new spin based logic device is proposed. It is comprised of a common free ferromagnetic layer separated by a tunnel junction from three inputs and one output with separate fixed layers. It has the functionality of a majority gate and is…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Dmitri E. Nikonov , George I. Bourianoff , Tahir Ghani

Due to their very nature, Spin Waves (SWs) created in the same waveguide, but with different frequencies, can coexist while selectively interacting with their own species only. The absence of inter-frequency interferences isolates input…

Mesoscale and Nanoscale Physics · Physics 2021-09-14 Abdulqader Mahmoud , Frederic Vanderveken , Florin Ciubotaru , Christoph Adelmann , Sorin Cotofana , Said Hamdioui

Having multi-output logic gates saves much energy because the same structure can be used to feed multiple inputs of next stage gates simultaneously. This paper proposes novel triangle shape fanout of 2 spin wave Majority and XOR gates; the…

Mesoscale and Nanoscale Physics · Physics 2021-09-27 Abdulqader Mahmoud , Frederic Vanderveken , Florin Ciubotaru , Christoph Adelmann , Sorin Cotofana , Said Hamdioui

We investigated a possible use of the magnonic interferometric switches in multi-valued logic circuits. The switch is a three-terminal device consisting of two spin channels where input, control, and output signals are spin waves. Signal…

Mesoscale and Nanoscale Physics · Physics 2017-02-01 M. Balynsky , A. Kozhevnikov , Y. Khivintsev , T. Bhowmick , D. Gutierrez , H. Chiang , G. Dudko , Y. Filimonov , G. Liu , C. Jiang , A. A. Balandin , R. Lake , A. Khitun

Spin-wave based transmission and processing of information is a promising emerging nano-technology that can help overcome limitations of traditional electronics based on the transfer of electrical charge. Among the most important challenges…

Mesoscale and Nanoscale Physics · Physics 2023-10-05 K. O. Nikolaev , S. R. Lake , G. Schmidt , S. O. Demokritov , V. E. Demidov

We demonstrate a three-terminal spin wave-based device utilizing spin wave interference. The device consists of three coplanar transmission lines inductively coupled to the 100nm thick CoFe film. Two spin wave signals are excited by…

Other Condensed Matter · Physics 2008-11-03 Yina Wu , Mingqiang Bao , Alexander Khitun , Ji-Young Kim , Augustin Hong , Kang L Wang

Information transport and processing by pure magnonic spin currents in insulators is a promising alternative to conventional charge-current driven spintronic devices. The absence of Joule heating as well as the reduced spin wave damping in…

An electric current controlled spin-wave logic gate based on a width-modulated dynamic magnonic crystal is realized. The device utilizes a spin-wave waveguide fabricated from a single-crystal Yttrium Iron Garnet film and two conducting…

This paper presents a 2-output Spin-Wave Programmable Logic Gate structure able to simultaneously evaluate any pair of AND, NAND, OR, NOR, XOR, and XNOR Boolean functions. Our proposal provides the means for fanout achievement within the…

Mesoscale and Nanoscale Physics · Physics 2021-09-14 Abdulqader Mahmoud , Frederic Vanderveken , Christoph Adelmann , Florin Ciubotaru , Sorin Cotofana , Said Hamdioui

Spin waves and their quanta magnons open up a promising branch of high-speed and low-power information processing. Several important milestones were achieved recently in the realization of separate magnonic data processing units including…

A diode, a device allowing unidirectional signal transmission, is a fundamental element of logic structures and lies in the heart of modern information systems. Spin wave or magnon, representing a collective quasi-particle excitation of the…

Materials Science · Physics 2016-01-06 Jin Lan , Weichao Yu , Ruqian Wu , Jiang Xiao

By its very nature, Spin Wave (SW) interference provides intrinsic support for Majority logic function evaluation. Due to this and the fact that the $3$-input Majority (MAJ3) gate and the Inverter constitute a universal Boolean logic gate…

Mesoscale and Nanoscale Physics · Physics 2021-09-14 Abdulqader Mahmoud , Frederic Vanderveken , Christoph Adelmann , Florin Ciubotaru , Said Hamdioui , Sorin Cotofana

Magnonic logic gates represent a crucial step toward realizing fully magnonic data processing systems without reliance on conventional electronic or photonic elements. Recently, a universal and reconfigurable inverse-design device has been…

The switching time of a magnet in a spin current based majority gate depends on the input vector combination, and this often restricts the speed of majority-based circuits. To address this issue, this work proposes a novel two-phase scheme…

Emerging Technologies · Computer Science 2017-08-02 Meghna G. Mankalale , Zhaoxin Liang , Sachin S. Sapatnekar
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