Cascaded spintronic logic gates based on graphene nanoribbon magnetoresistance: all-carbon spin logic

Joseph S. Friedman

doi:10.1117/12.2320730

20 September 2018 Cascaded spintronic logic gates based on graphene nanoribbon magnetoresistance: all-carbon spin logic

Joseph S. Friedman

Proceedings Volume 10732, Spintronics XI; 107321P (2018) https://doi.org/10.1117/12.2320730
Event: SPIE Nanoscience + Engineering, 2018, San Diego, California, United States

Abstract

The extremely large magnetoresistance demonstrated with graphene nanoribbons (GNRs) is highly attractive as a potential spintronic switch. To develop a computing system in which GNRs can be cascaded requires a mechanism for transforming the GNR resistance into a magnetic field that can activate the magnetoresistance of other GNRs. All-carbon spin logic provides this necessary direct cascading by routing the GNR current through carbon nanotubes (CNTs) positioned adjacent to other GNRs. Applying a constant voltage bias across each CNT-GNR-CNT path results in a magnetic field-dependent electrical current that can perform logical functions, providing a scaling path toward large-scale computing systems.

Conference Presentation

Citation Download Citation

Joseph S. Friedman "Cascaded spintronic logic gates based on graphene nanoribbon magnetoresistance: all-carbon spin logic", Proc. SPIE 10732, Spintronics XI, 107321P (20 September 2018); https://doi.org/10.1117/12.2320730

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