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Effect of tip geometry on photo-electron-emission from nanostructures

Ranganath Teki1, Toh-Ming Lu, Nikhil Koratkar

  • 1Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, 110 8th St., Troy, New York 12180-3590, USA.

Journal of Nanoscience and Nanotechnology
|May 14, 2009
PubMed

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When light of a particular wavelength strikes a metal surface, electrons are emitted. This is called the photoelectric effect. The minimum frequency of light that can cause such emission of electrons is called the threshold frequency, which is specific to the metal. Light with a frequency lower than the threshold frequency, even if it is of high intensity, cannot initiate the emission of electrons. However, when the frequency is higher than the threshold value, the number of electrons ejected...