Zeng, Huang T., Read, Daniel, O'Brien, L., Sampaio, J., Lewis, E. R., Petit, D. and Cowburn, Russell P. 2010. Asymmetric magnetic NOT gate and shift registers for high density data storage. Applied Physics Letters 96 (26) , pp. 262510-262513. 10.1063/1.3457998 |
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Official URL: http://dx.doi.org/10.1063/1.3457998
Abstract
We have developed an asymmetric ferromagnetic NOT gate and shift register optimized on a square grid. This gives rise to a two-dimensional storage scheme built up by tessellating an elementary data unit, which is scalable down to very narrow wire widths. The areal footprint of each storage unit is 15F2, where F is the minimum feature size. We experimentally demonstrate NOT operations across a chain of three gates made from Permalloy with F = 60 nm, and present a functional 15-gate, multichannel shift register with electrical injection, and optical readout.
Item Type: | Article |
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Date Type: | Publication |
Status: | Published |
Schools: | Physics and Astronomy |
Subjects: | Q Science > QC Physics |
Uncontrolled Keywords: | ferromagnetic materials, logic gates, Permalloy, readout electronics, shift registers |
Publisher: | American Institute of Physics |
ISSN: | 0003-6951 |
Last Modified: | 04 Jun 2017 03:09 |
URI: | https://orca.cardiff.ac.uk/id/eprint/17405 |
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