Adatoms in Graphene
Antonio H. Castro Neto, Valeri N. Kotov, Johan Nilsson, Vitor M., Pereira, Nuno M. R. Peres, Bruno Uchoa
TL;DR
This paper reviews how adatoms in graphene exhibit unique scattering and correlation effects not seen in traditional metals, highlighting experimental methods to observe these phenomena.
Contribution
It provides a comprehensive overview of impurity effects in graphene from scattering and correlation perspectives, emphasizing their distinctiveness and experimental detection.
Findings
Impurities in graphene cause unique scattering effects.
Strong correlations lead to novel impurity phenomena.
Experimental probes can detect these unusual effects.
Abstract
We review the problem of adatoms in graphene under two complementary points of view, scattering theory and strong correlations. We show that in both cases impurity atoms on the graphene surface present effects that are absent in the physics of impurities in ordinary metals. We discuss how to observe these unusual effects with standard experimental probes such as scanning tunneling microscopes, and spin susceptibility.
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