Fullerite C 60 optical constants in the C 1s NEXAFS region

Using data on the absorption cross sections the refraction coefficient spectral dependence n ( E ) and the spectra of the remaining optical coefficients (reflection coefficient, phase shift, and atomic form factor) in the fullerite C 60 C 1s near edge X-ray absorption fine structure (NEXAFS) region...

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Bibliographic Details
Published in:Journal of physics. Conference series 2021-11, Vol.2103 (1), p.12168
Main Authors: Sivkov, D V, Nekipelov, S V, Petrova, O V, Bogachuk, D V, Skandakov, R N, Sivkov, V N
Format: Article
Language:English
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Summary:Using data on the absorption cross sections the refraction coefficient spectral dependence n ( E ) and the spectra of the remaining optical coefficients (reflection coefficient, phase shift, and atomic form factor) in the fullerite C 60 C 1s near edge X-ray absorption fine structure (NEXAFS) region (280–350 eV) were determined. For the n ( E ) calculations the Kramers-Kronig integral relations (KKRs) were used. The KKR computations were performed using data on atomic carbon absorption cross sections in the 10–30000 eV range and on solid and gaseous C 60 – in the 0–120 eV. Absorption cross section spectrum in the fullerite C 60 C 1s NEXAFS region were measured.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/2103/1/012168