Volume 108, Number 4, November 2014
|Number of page(s)||6|
|Section||Condensed Matter: Structural, Mechanical and Thermal Properties|
|Published online||26 November 2014|
Bound states in the continuum: Localization of Dirac-like fermions
1 Departamento de Física, Universidad Católica del Norte - Casilla Postal 1280, Antofagasta, Chile
2 Instituto de Ciencia de Materiales de Madrid, Consejo Superior de Investigaciones Científicas (ICMM- CSIC) C/ Sor Juana Inés de la Cruz 3, 28049 Madrid, Spain
3 Departamento de Física, Universidad Técnica Federico Santa María - Casilla 110- V, Valparaíso, Chile
Received: 11 August 2014
Accepted: 5 November 2014
We report on the formation of bound states in the continuum for Dirac-like fermions in structures composed by a trilayer graphene flake connected to nanoribbon leads. The existence of this kind of localized states can be proved by combining local density of states and electronic conductance calculations. By applying a gate voltage, the bound states couple to the continuum, yielding a maximum in the electronic transmission. This feature can be exploited to identify bound states in the continuum in graphene-based structures.
PACS: 61.46.-w – Structure of nanoscale materials / 73.22.-f – Electronic structure of nanoscale materials and related systems / 73.63.-b – Electronic transport in nanoscale materials and structures
© EPLA, 2014
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