Selecting 'convenient observers' to probe the atomic structure of CVD graphene on Ir (111) via photoelectron diffraction

L Barreto, LH de Lima, DC Martins… - Journal of Physics …, 2020 - iopscience.iop.org
CVD graphene grown on metallic substrates presents, in several cases, a long-range
periodic structure due to a lattice mismatch between the graphene and the substrate. For
instance, graphene grown on Ir (111), displays a corrugated supercell with distinct
adsorption sites due to a variation of its local electronic structure. This type of surface
reconstruction represents a challenging problem for a detailed atomic surface structure
determination for experimental and theoretical techniques. In this work, we revisited the …

Selecting'convenient observers' to probe the atomic structure of CVD graphene on Ir (111) via photoelectron diffraction

CC Silva, RCC Ferreira, R Landers, A Siervo - 2021 - lareferencia.info
Agradecimentos: This work has been supported by FAPESP (Grant Nos. 2016/21402-8,
2017/18574-4, 2007/54829-5, and 2007/08244-5), and CNPq (Grant No. 401826/2013-9).
We thank LNLS for the beamtime and PGM beamline staff for the technical support. The
authors are grateful to the Multiuser Central Facilities CEMs-UFABC for the computational
support. DCM acknowledges UFABC for the studentship
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