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1 July 2010 Interaction of ultrasoft X-rays with arrays of aligned carbon nanotubes
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Angular dependence of X-ray emission and absorption spectra was measured for both graphite and films of carbon nanotubes (CNTs) oriented perpendicular to the substrate surface. The ratio of intensities of Π and σ peaks in the X-ray spectra of CNT films was found to depend not only on the orientation of nanotubes but also on the orientation of graphite-like layers inside multi-walled nanotubes. Fluorescence measurement for the samples also showed the dependence on the degree of CNT alignment as well as on the texture of CNT layers. A possibility of X-ray photon propagation in CNTs in the conditions of anomalous dispersion near the C K-edge is discussed.
Aleksandr Okotrub, Mikhail A. Kanygin, Olga V. Sedelnikova, Artem V. Gusel'nikov, Valerii V. Belavin, Alexey S. Kotosonov, and Lyubov Bulusheva "Interaction of ultrasoft X-rays with arrays of aligned carbon nanotubes," Journal of Nanophotonics 4(1), 041655 (1 July 2010).
Published: 1 July 2010

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