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Manuscript Title: Armchair or Zigzag? A tool for characterizing graphene edge
Authors: Abhishek K. Singha, Evgeni S. Penev, Boris I. Yakobson
Program title: edgecount
Catalogue identifier: AEIA_v1_0
Distribution format: tar.gz
Journal reference: Comput. Phys. Commun. 182(2011)804
Programming language: Fortran 90/95.
Computer: Most UNIX-based platforms.
Operating system: Linux, Mac OS.
Keywords: Honeycomb lattice, Graphene, Edge atom types, Fortran 90/95.
PACS: 61.48.Gh, 81.05.ue.
Classification: 16.1, 7.8.

Nature of problem:
Detection and classification of edge atoms in a finite patch of honeycomb lattice.

Solution method:
Build nearest neighbor (NN) list; assign types to edge atoms on the basis of their NN pattern.

Running time:
Typically ~second(s) for all examples