| Issue |
EPJ Web of Conferences
Volume 75, 2014
JEMS 2013 – Joint European Magnetic Symposia
|
|
|---|---|---|
| Article Number | 05001 | |
| Number of page(s) | 4 | |
| Section | 5. Magnetic nanostructures, surfaces, interfaces, molecular nanomagnets | |
| DOI | https://doi.org/10.1051/epjconf/20147505001 | |
| Published online | 03 July 2014 | |
https://doi.org/10.1051/epjconf/20147505001
1-Bit Full Adder in Perpendicular Nanomagnetic Logic using a Novel 5-Input Majority Gate
1 Lehrstuhl für Technische Elektronik, Technische Universität München, 80333 Munich, Germany
2 Center for Nano Science and Technology, University of Notre Dame, Notre Dame, IN 46556, USA
a e-mail: stephan.breitkreutz@tum.de
Published online: 3 July 2014
In this paper, we show that perpendicular Nanomagnetic Logic (pNML) is particularly suitable to realize threshold logic gate (TLG)-based circuits. Exemplarily, a 1-bit full adder circuit using a novel 5-input majority gate based on TLGs is experimentally demonstrated. The theory of pNML and its extension by TLGs is introduced, illustrating the great benefit of pNML. Majority gates based on coupling field superposition enable weighting each input by its geometry and distance to the output. Only 5 magnets, combined in two logic gates with a footprint of 1:95 µm2 and powered by a perpendicular clocking field, are required for operation. MFM and magneto-optical measurements demonstrate the functionality of the fabricated structure. Experimental results substantiate the feasibility and the benefits of the combination of threshold logic with pNML.
© Owned by the authors, published by EDP Sciences, 2014
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