Band Structure and CK Emission of Ultrathin Nanotubes

M. M. Brzhezinskaya^1, *, E. M. Baitinger¹, and V. I. Kormilets²

¹Chelyabinsk State Pedagogical University, Chelyabinsk, 454080 Russia

²Izhevsk Physicotechnical Institute, Ural Division, Russian Academy of Sciences, Izhevsk, 426000 Russia
*e-mail: bmm@cpsi.urc.ac.ru

Received February 8, 2000

Abstract—An attempt is made to calculate the energy bands and spectra of the characteristic CK emission of
small-diameter carbon nanotubes. The calculated spectra for the nanotubes are compared with similar spectra
for graphite monolayers used as a test object and with known experimental results for nanotubes. It is concluded
that the x-ray emission spectra can be used to identify thin carbon nanotubes. A classification of solid-phase
carbon is proposed which takes into account the position of carbon nanotubes in the family of allotropic carbon
forms. The type of hybridization of the electrons in the carbon atom is used as the criterion for classification.
© 2000 MAIK “Nauka/Interperiodica”.

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