Cathodoluminescence studies of C60 fullerene-based films and nanostructures
Nashchekin A.V.1, Baryshev S.V.1, Sokolov R.V.1, Usov O.A.1
1Ioffe Physico-Technical Institute, Russian Academy of Sciences, Saint-Petersburg, Russia
Выставление онлайн: 20 июля 2007 г.
The objects of investigation in this work are the submicron C60 fullerene-based films and fullerene nanostructures fabricated by electron beam lithography. The set of techniques for studying the fullerenes is extended due to attraction the spectral cathodoluminescence (CL) to either of initial fullerene films and submicron net structures with period about 0.9 mum, wall height 0.6 mum and width about 0.4 mum. The maxima of CL spectrum of initial C60 films are in a good agreement with the energy-band structure of amorphous fullerene film. In turn, CL spectrum of the fullerene net structures possess both peculiarities of fullerene energy-band structure and it clearly exhibited the oscillations of spectrum with period as large as 0.08 eV. Such periodical fullerene net structures possess the properties of optical resonator on the system "fullerene net (n=2.3)-air (n=1)". PACS: 78.60.Hk, 73.61.Wp, 61.48.+e
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