Einsle, J. F. and Bouillard, JS and Dickson, W and Zayats, AV (2011) Hybrid FIB milling strategy for the fabrication of plasmonic nanostructures on semiconductor substrates. Nanoscale Research Letters, 6. p. 572. DOI https://doi.org/10.1186/1556-276X-6-572
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Abstract
The optical properties of plasmonic semiconductor devices fabricated by focused ion beam (FIB) milling deteriorate because of the amorphisation of the semiconductor substrate. This study explores the effects of combining traditional 30 kV FIB milling with 5 kV FIB patterning to minimise the semiconductor damage and at the same time maintain high spatial resolution. The use of reduced acceleration voltages is shown to reduce the damage from higher energy ions on the example of fabrication of plasmonic crystals on semiconductor substrates leading to 7-fold increase in transmission. This effect is important for focused-ion beam fabrication of plasmonic structures integrated with photodetectors, light-emitting diodes and semiconductor lasers.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | NILAREP; |
| Subjects: | 03 - Mineral Sciences |
| Divisions: | 03 - Mineral Sciences 07 - Gold Open Access |
| Journal or Publication Title: | Nanoscale Research Letters |
| Volume: | 6 |
| Page Range: | p. 572 |
| Identification Number: | https://doi.org/10.1186/1556-276X-6-572 |
| Depositing User: | Sarah Humbert |
| Date Deposited: | 27 Mar 2015 15:01 |
| Last Modified: | 27 Mar 2015 15:01 |
| URI: | http://eprints.esc.cam.ac.uk/id/eprint/3261 |
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