Technology update
Oct 10, 2007
Nanodots beamed into shape for plasmonic future
High-aspect ratio organometallic nanodots have been grown by researchers in Spain using direct local deposition of metals induced by a focused electron-beam. The needle-like gold structures will eventually be put to use as highly efficient emitters and receivers operating at optical frequencies, say the scientists. Better known as nanoantennas, these structures could dramatically improve the resolution of near-field microscopy or be used to address individual molecules.
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