Relation between peak structures of loss functions of single double-walled carbon nanotubes and interband transition energies
In: Journal of Electron Microscopy, Jg. 57 (2008-06-02), S. 129-132
Online
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Zugriff:
Electron energy-loss spectra of single double-walled carbon nanotubes (DWCNTs) were compared with calculated joint density of states (jDOSs) obtained by a simple tight-binding (STB) and an extended tight-binding (ETB) method. From the comparisons, interband transition energies of ETB calculations show better agreement with peak positions of the experimental spectra than those of STB results. From a further comparison among calculated jDOS, real and imaginary parts of a dielectric function and a loss function Im[-1/epsilon], it was confirmed that the peak energies in a spectrum of single DWCNTs are almost equal to those of the optical absorption spectrum epsilon(2).
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Relation between peak structures of loss functions of single double-walled carbon nanotubes and interband transition energies
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Autor/in / Beteiligte Person: | Saito, Yahachi ; Terauchi, Masami ; Saito, Riichiro ; Sato, Kentaro ; Sato, Yohei |
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Zeitschrift: | Journal of Electron Microscopy, Jg. 57 (2008-06-02), S. 129-132 |
Veröffentlichung: | Oxford University Press (OUP), 2008 |
Medientyp: | unknown |
ISSN: | 1477-9986 (print) ; 0022-0744 (print) |
DOI: | 10.1093/jmicro/dfn012 |
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