G Duerr et al 2012 J. Phys.: Condens. Matter 24 024218 doi:10.1088/0953-8984/24/2/024218
Enhanced functionality in magnonics by domain walls and inhomogeneous spin configurations
Special issue on domain wall dynamics in nanostructuresG Duerr1, R Huber1 and D Grundler1,2
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Part of Special issue on domain wall dynamics in nanostructures
This paper discusses nanomagnetic structures enabling the manipulation of propagating spin waves. We address in particular how domain walls, or more generally speaking inhomogeneous spin configurations, enhance the control of spin-wave transmission and thereby the functionality of magnonic devices. Three different microscopic mechanisms are outlined, considering an interference device, a spin-wave bus and a magnonic crystal. Inhomogeneous spin configurations are argued to shift the spin-wave phase, guide spin waves in nanochannels and allow for reprogrammable spin-wave band structures in periodic nanostructures, respectively. Such devices and functionalities are relevant for further developments in magnonics.
- PACS
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75.60.Ch Domain walls and domain structure
- Subjects
- Dates
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Issue 2 (18 January 2012)
Received 29 June 2011, in final form 26 November 2011
Published 15 December 2011
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Enhanced functionality in magnonics by domain walls and inhomogeneous spin configurations
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