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Active Magnetoplasmonic Ruler
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DOI：10.1021/acs.nanolett.5b00372.png)
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摘要
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Plasmon rulers are an emerging concept in which the strong near-field coupling of plasmon nanoantenna elements is employed to Obtain structural information at the nanoscale. Here, we combine nanoplasmonics and nano-magnetism to conceptualize a magnetoplasmonic dimer nanoantenna that would be able to report nanoscale distances While optimizing its own spatial orientation. The latter constitutes an active operation in which a dynamically optimized optical response per measured unit length allows for the measurement of small and large nanoscale distances With about 2 orders of magnitude higher precision than current state-of-the-art plasmon rulers. We further propose,a concept to Optically measure the nanoscale response to the controlled application of force with a magnetic field.
Keyword:
magnetoplasmonics
plasmon ruler
nickel
cobalt
localized surface plasmon resonance
magneto-optical Kerr effect (MOKE)
dimer
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期刊
IF:
9.1
论文数:
2.7W
被引数:
16.5W
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