Journal
PHYSICAL REVIEW LETTERS
Volume 104, Issue 2, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.104.027201
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Funding
- EPSRC of UK
- European Commission's [233552]
- Engineering and Physical Sciences Research Council [EP/E055087/1] Funding Source: researchfish
- EPSRC [EP/D000572/1, EP/E055087/1] Funding Source: UKRI
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We have used time resolved scanning Kerr microscopy to image collective spin wave modes within a 2D array of magnetic nanoelements. Long wavelength spin waves are confined within the array as if it was a continuous element of the same size but with effective material properties determined by the structure of the array and its constituent nanoelements. The array is an example of a magnonic metamaterial, the demonstration of which provides new opportunities within the emerging field of magnonics.
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