Fabrication of double split metallic nanorings for Raman sensing

Cleary, A., Clark, A. , Glidle, A., Cooper, J.M. and Cumming, D.R.S. (2009) Fabrication of double split metallic nanorings for Raman sensing. Microelectronic Engineering, 86(4-6), pp. 1146-1149. (doi:10.1016/j.mee.2009.02.008)

Cleary, A., Clark, A. , Glidle, A., Cooper, J.M. and Cumming, D.R.S. (2009) Fabrication of double split metallic nanorings for Raman sensing. Microelectronic Engineering, 86(4-6), pp. 1146-1149. (doi:10.1016/j.mee.2009.02.008)

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Abstract

We describe the fabrication and characterisation of arrays of metallic plasmon resonant nanorings, each of which are formed from two semicircles of different radius. We show that using a dual semicircle structure defined by electron beam lithography can result in closely spaced localized plasmon resonant peaks in the visible region, which cannot be achieved using a simpler nanoring structure with one radius. The advantage of producing two closely spaced resonant peaks is a structure that can be used for Raman sensing purposes at two different wavelengths.

Item Type:Articles
Additional Information:MNE ’08 - The 34th International Conference on Micro- and Nano-Engineering (MNE)
Keywords:Arrays, electron beam, electron beam lithograph, , engineering, fabrication, lithography, localized surface Plasmon, optics, physics, science, wavelengths
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Cumming, Professor David and Clark, Dr Alasdair and Cooper, Professor Jonathan and Glidle, Dr Andrew
Authors: Cleary, A., Clark, A., Glidle, A., Cooper, J.M., and Cumming, D.R.S.
College/School:College of Science and Engineering > School of Engineering > Biomedical Engineering
College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:Microelectronic Engineering
ISSN:0167-9317
Published Online:11 February 2009

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
387921Extreme sensitivity by engineering plasmon resonance sensorsDavid CummingEngineering & Physical Sciences Research Council (EPSRC)EP/C509927/1Electronic and Nanoscale Engineering