Journal
NANO LETTERS
Volume 8, Issue 9, Pages 3023-3028Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl802252r
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Funding
- Defense Advanced Research Projects Agency (DARPA) [HR0011-04-1-0032]
- The California Institute of Technology
- Air Force Office of Scientific Research (AFOSR)
- Harvard Nanoscale Science and Engineering Center (NSEC)
- National Science Foundation under NSF [ECS-0335765]
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This paper demonstrates the sectioning of chemically synthesized, single-crystalline microplates of gold with an ultramicrotome (nanoskiving) to produce single-crystalline nanowires; these nanowires act as low-loss surface plasmon resonators. This method produces collinearly aligned nanostructures with small, regular changes in dimension with each consecutive cross-section: a single microplate thus can produce a number of quasi-copies (delicately modulated variations) of a nanowire. The diamond knife cuts cleanly through microplates 35 mu m in diameter and 100 nm thick without bending the resulting nanowire and cuts through the sharp edges of a crystal without deformation to generate nanoscale tips. This paper compares the influence of sharp tips and blunt tips on the resonator modes in these nanowires.
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