Theory of core-level spectra in x-ray photoemission of pristine and doped graphene

Despoja, Vito and Šunjić, Marijan (2013) Theory of core-level spectra in x-ray photoemission of pristine and doped graphene. Physical Review B, 88 (24). pp. 245416-9. ISSN 1098-0121

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Abstract

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.

Item Type: Article
Date: December 2013
Subjects: NATURAL SCIENCES > Physics
Additional Information: Copyright (2013) by the American Physical Society.
Divisions: Faculty of Science > Department of Physics
Publisher: American Physical Society
Depositing User: Gordana Stubičan Ladešić
Date Deposited: 01 Jul 2014 13:12
Last Modified: 01 Jul 2014 13:12
URI: http://digre.pmf.unizg.hr/id/eprint/2179

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