Emfietzoglou, D., Kyriakou, I., Garcia-Molina, R., Abril, I. and Kostarelos, K. (2010) Analytic expressions for the inelastic scattering and energy loss of electron and proton beams in carbon nanotubes. Journal of Applied Physics, 108 (5). 054312. 10.1063/1.3463405.
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We have determined "effective" Bethe coefficients and the mean excitation energy of stopping theory (I -value) for multiwalled carbon nanotubes (MWCNTs) and single-walled carbon nanotube (SWCNT) bundles based on a sum-rule constrained optical-data model energy loss function with improved asymptotic properties. Noticeable differences between MWCNTs, SWCNT bundles, and the three allotropes of carbon (diamond, graphite, glassy carbon) are found. By means of Bethe's asymptotic approximation, the inelastic scattering cross section, the electronic stopping power, and the average energy transfer to target electrons in a single inelastic collision, are calculated analytically for a broad range of electron and proton beam energies using realistic excitation parameters.
|Departments, units and centres:||Department of Pharmaceutics > Department of Pharmaceutics|
|Journal or Publication Title:||Journal of Applied Physics|
|Deposited By:||Library Staff|
|Deposited On:||24 Feb 2012 12:27|
|Last Modified:||24 Feb 2012 12:27|
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