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Present paper is a review of results, obtained in the framework ofsemiclassical approach in nanophysics. Semiclassical description, based onElectrostatics and Thomas-Fermi model was applied to calculate dimensions ofthe electronic shell of a fullerene molecule and a carbon nanotube. Thissimplified approach yields surprisingly accurate results in some cases.Semiclassical approach provides rather good description of the dimensions ofthe electronic shell of a fullerene molecule. Two types of dipole oscillationsin a fullerene molecule were considered and their frequencies were calculated.Similar calculations were performed for a carbon nanotube also. These resultslook rather reasonable. Three types of dipole oscillations in carbon nanotubewere considered and their frequencies were calculated. Frequencies of thelongitudinal collective oscillations of delocalized electrons in carbon peapodwere calculated as well. Metallic cluster was modeled as a spherical ball. Itwas shown that metallic cluster is stable; its bulk modulus and the frequencyof the dipole oscillation of the electronic shell relative to the ions werecalculated.

Semiclassical approach to the description of the basic properties of nanoobjects