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Journal of Physics: Condensed Matter 29, 405301 (2017)

ISSN: 0953-8984, SCI

On the density of states of circular graphene quantum dots

H Chau Nguyen, Nhung T T Nguyen, and V Lien Nguyen

We suggest a simple approach to calculate the local density of states that effectively applies to any structure created by an axially symmetric potential on a continuous graphene sheet such as circular graphene quantum dots or rings. Calculations performed for the graphene quantum dot studied in a recent scanning tunneling microscopy measurement (Gutierrez et al 2016 Nat. Phys. 12 1069–75) show an excellent experimental-theoretical agreement.


DOI: 10.1088/1361-648X/aa7efd

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