2019
DOI: 10.1088/1361-6528/ab475c
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Dipole coupled magnetic quantum-dot cellular automata-based efficient approximate nanomagnetic subtractor and adder design approach

Abstract: In this paper, we propose a dipole coupled magnetic quantum-dot cellular automata-based approximate nanomagnetic (APN) architectural design approach for subtractor and adder. In addition, we also introduce an APN architecture which offers runtime reconfigurability using a single design layout comprising only four nanomagnets. Subsequently, we propose the APN add/sub architecture by exploiting shape anisotropy and ferromagnetically coupled fixed input majority gate. The proposed APN architecture designs have be… Show more

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Cited by 13 publications
(12 citation statements)
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“…20,21 Meanwhile, adders and subtractors hold a unique place in digital systems because they significantly influence their performance. 22,23 It is worth noting that developers strive to research a wide range of challenges, including complexity and limited occupancy space. However, owing to the novelty of this technology, there are still several significant hurdles that have yet to be overcome.…”
mentioning
confidence: 99%
“…20,21 Meanwhile, adders and subtractors hold a unique place in digital systems because they significantly influence their performance. 22,23 It is worth noting that developers strive to research a wide range of challenges, including complexity and limited occupancy space. However, owing to the novelty of this technology, there are still several significant hurdles that have yet to be overcome.…”
mentioning
confidence: 99%
“…Therefore, controlled fabrication of nanostructures by lithography techniques resulted in a flurry of research activities in the last decade 2 . Recently, there has been a strong focus on dipolar interaction mediated magnetic behavior of nanostructures from both fundamental as well as potential application point of views [3][4][5][6][7][8][9][10] . Nanomagnets of strong shape anisotropy can mimic single macrospin which can act as binary switches due to their two stable states [11][12][13] .…”
mentioning
confidence: 99%
“…While switching behavior of nanomagnets of simple geometries has been adequately reported in literature, however, little is known about the exact switching behavior of such nanomagnets when placed in complex arrangements within dipolar coupled environment 21 . This is clearly needed in order to construct new geometries for fundamental studies 17,18,22,23 as well as applications 10,24 . Additionally, strong shape anisotropic nanomagnets, which are most often considered as exhibiting Ising spin-like behavior, may be effected by the unintentional defects introduced during fabrication.…”
mentioning
confidence: 99%
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