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Far‐infrared absorption in small metallic particles
Author(s) -
Maksimenko V. V.,
Simokov A. J.,
Lushnikov A. A.
Publication year - 1977
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2220830203
Subject(s) - metal , mean free path , absorption (acoustics) , radius , materials science , absorption cross section , particle size , metal particle , infrared , dipole , particle (ecology) , molecular physics , discrete dipole approximation , atomic physics , attenuation coefficient , electron , cross section (physics) , analytical chemistry (journal) , chemistry , physics , optics , quantum mechanics , metallurgy , composite material , computer security , oceanography , computer science , geology , chromatography
The cross‐section for far‐infrared absorption of small metal particles are calculated in the dipole approximation. Considerable deviations are found from the corresponding classical results at small particle size a / l 0 ⪅1 ( a is the radius of the particle, l 0 the mean free path of an electron in bulk metal). The results obtained give a possible explanation to the size dependence of the absorption coefficient of small metal particles observed in recent experiments.