Theory of core-level spectra in x-ray photoemission of pristine and doped graphene (CROSBI ID 216974)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Despoja, Vito ; Šunjić, Marijan
engleski
Theory of core-level spectra in x-ray photoemission of pristine and doped graphene
Spectra of the C1s core hole, created in x-ray photoemission and screened by electronic excitations in pristine and doped graphene are calculated and discussed. We find that singular effects in the lineshapes are not possible in the pristine graphene, and their observation should be connected with the doping. However, the structure of the low-energy excitation spectrum in the region where the singular behavior is expected leads to asymmetries in the core-hole lineshapes in pristine graphene similar to those in doped graphene. This makes the analysis more complex than in the case of metals and may lead to an incorrect or incomplete interpretation of the experimental results.
core hole spectra; graphene; ab initio
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Podaci o izdanju
88
2013.
245416-1-245416-10
objavljeno
1098-0121
10.1103/PhysRevB.88.245416