Overcoming thermal noise in non-volatile spin wave logic

Scientific Reports
Sourav DuttaAzad Naeemi

Abstract

Spin waves are propagating disturbances in magnetically ordered materials, analogous to lattice waves in solid systems and are often described from a quasiparticle point of view as magnons. The attractive advantages of Joule-heat-free transmission of information, utilization of the phase of the wave as an additional degree of freedom and lower footprint area compared to conventional charge-based devices have made spin waves or magnon spintronics a promising candidate for beyond-CMOS wave-based computation. However, any practical realization of an all-magnon based computing system must undergo the essential steps of a careful selection of materials and demonstrate robustness with respect to thermal noise or variability. Here, we aim at identifying suitable materials and theoretically demonstrate the possibility of achieving error-free clocked non-volatile spin wave logic device, even in the presence of thermal noise and clock jitter or clock skew.

References

Feb 3, 1992·Physical Review Letters·G H Daalderop den Broeder FJ
Dec 18, 2002·Physical Review Letters·M CovingtonG J Parker
Oct 26, 2010·Nature Materials·Vladislav E DemidovSergej O Demokritov
Aug 30, 2011·Nature Nanotechnology·M MadamiJ Akerman
Nov 3, 2011·Nature Communications·Dwight HunterIchiro Takeuchi
Apr 25, 2014·Nature Communications·K VogtH Schultheiss
Aug 22, 2014·Nature Communications·Andrii V ChumakBurkard Hillebrands
May 9, 2015·Scientific Reports·Sourav DuttaAzad Naeemi

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Citations

Jul 5, 2018·ACS Applied Materials & Interfaces·Daniel B GopmanRobert D Shull

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Methods Mentioned

BETA
PMA

Software Mentioned

Object Oriented Micromagnetic Framework ( OOMMF )

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