Journal
JOURNAL OF APPLIED PHYSICS
Volume 104, Issue 5, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2975836
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Funding
- National Science Foundation [ECCS-0702752, ECCS-0404308]
- Office of Naval Research [0014-06-1-0121]
- INSIC
- AFOSR
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The physics of magnetic signal propagation in one-dimensional antiferromagnetically coupled nanomagnetic arrays is studied using micromagnetic modeling. The results are used to develop the design guidelines such as the criteria for the interelement spacing for efficient operation and the error suppression due to the magnetization misalignment in individual elements in the array.. The propagation speed is found to decay significantly as the damping is increased. The external clocking field is applied to improve the data channel characteristics. However, premature relaxation of the end elements inhibits the proper operation of longer channels. A proposed solution is a zone-by-zone propagation scheme, which is compatible with the pipelining approach. Simulation results demonstrate a possibility of successful signal propagation at 2 GHz clocking field frequency with no limitation on the length of the channel. (c) 2008 American Institute of Physics.
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