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¡ï ¡ï ¡ï ¡ï ¡ï ¡ï wo357026239(½ð±Ò+1): лл²ÎÓë wo357026239: ½ð±Ò+5 2012-04-28 09:31:01
¿´¿´ÒÔÏÂÕ⼸ƪÎÄÏ×°É¡£(£±) Malard, L. M.; Pimenta, M. A.; Dresselhaus, G.; Dresselhaus, M. S.¡¡Phys. Rep. 2009, 473 (5-6), 51¨C87.
£¨£²£©Perspectives on Carbon Nanotubes and Graphene Raman Spectroscopy
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While 1-LG exhibits a single very intense
Lorentzian peak, fitting the 2-LG G¡ä-band requires
four Lorentzians, which are related to the four possible
double resonance scattering processes, rather than to one
possible process for 1-LG, resulting from the splitting of
the ¦Ð electronic structure of graphene when a second
layer is added. With an increase in the number of layers,
the number of DR scattering processes increases, and
eventually the line shape converges to graphite, where
only two peaks are observed |
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