Magnonic logic circuits

We describe and analyse possible approaches to magnonic logic circuits and basic elements required for circuit construction. A distinctive feature of the magnonic circuitry is that information is transmitted by spin waves propagating in the magnetic waveguides without the use of electric current. Th...

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Bibliographic Details
Published in:Journal of physics. D, Applied physics Applied physics, 2010-07, Vol.43 (26), p.264005-264005
Main Authors: Khitun, Alexander, Bao, Mingqiang, Wang, Kang L
Format: Article
Language:English
Subjects:
Circuits
Data processing
Data transfer (computers)
Devices
Logic
Logic circuits
Spin waves
Tasks
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Summary:We describe and analyse possible approaches to magnonic logic circuits and basic elements required for circuit construction. A distinctive feature of the magnonic circuitry is that information is transmitted by spin waves propagating in the magnetic waveguides without the use of electric current. The latter makes it possible to exploit spin wave phenomena for more efficient data transfer and enhanced logic functionality. We describe possible schemes for general computing and special task data processing. The functional throughput of the magnonic logic gates is estimated and compared with the conventional transistor-based approach. Magnonic logic circuits allow scaling down to the deep submicrometre range and THz frequency operation. The scaling is in favour of the magnonic circuits offering a significant functional advantage over the traditional approach. The disadvantages and problems of the spin wave devices are also discussed.
ISSN:0022-3727
1361-6463
DOI:10.1088/0022-3727/43/26/264005