Please use this identifier to cite or link to this item: https://doi.org/10.1109/TNANO.2010.2079941
Title: Ultra-Low Power Nanomagnet-Based Computing: A System-Level Perspective
Authors: Augustine, Charles
Fong, Xuanyao 
Behin-Aein, Behtash
Roy, Kaushik
Keywords: Science & Technology
Technology
Physical Sciences
Engineering, Electrical & Electronic
Nanoscience & Nanotechnology
Materials Science, Multidisciplinary
Physics, Applied
Engineering
Science & Technology - Other Topics
Materials Science
Physics
Low power
nanomagnet
spintronics
systolic array architectures
LOGIC
Issue Date: 1-Jul-2011
Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation: Augustine, Charles, Fong, Xuanyao, Behin-Aein, Behtash, Roy, Kaushik (2011-07-01). Ultra-Low Power Nanomagnet-Based Computing: A System-Level Perspective. IEEE TRANSACTIONS ON NANOTECHNOLOGY 10 (4) : 778-788. ScholarBank@NUS Repository. https://doi.org/10.1109/TNANO.2010.2079941
Abstract: MOSFET scaling is facing overwhelming challenges with increased parameter variations, exponentially higher leakage current, and higher power density. Thus, researchers have started looking at alternative switching devices and spintronics-based computing paradigms. Nanomagnet-based computing is one such paradigm with intrinsic switching energy close to thermal limits and scalability down to 5 nm. In this paper, we explore the possibility of nanomagnet-based design using nonmajority gates. The design approach can offer significant area, delay, and energy advantages compared to majority-gate-based designs. Moreover, new clock technologies and architectures are developed to improve computation robustness and power dissipation of nanomagnet systems. We also developed a comprehensive device/circuit/system compatible simulation framework to evaluate the functionality and architecture of a nanomagnet system and conducted a feasibility/comparison study to determine the effectiveness of the technology compared to standard digital electronics. Performance results from a nanomagnet-based 16-point discrete cosine transform (DCT) with enhanced clock architecture, narrow gap cladding of nanomagnets, or embedding nanomagnets in solenoid with steel core, together with near neighbor system architecture, show up to 10 improvement over subthreshold 15 nm CMOS (Vdd 90 mV) design, using energy-delay 0.5-area product (ED0.5 A) as comparison metric. Finally, we explored the scalability of nanomagnets and the effectiveness of field-based switching. © 2011 IEEE.
Source Title: IEEE TRANSACTIONS ON NANOTECHNOLOGY
URI: https://scholarbank.nus.edu.sg/handle/10635/156195
ISSN: 1536-125X
1941-0085
DOI: 10.1109/TNANO.2010.2079941
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