Defects and impurities in graphene-like materials

By P. T. Araujo, Mauricio Terrones, Mildred S. Dresselhaus. 2012

275 citations recorded by the source corpus.

Defects in materials are normally considered to be detrimental to the properties of materials and to devices based on such materials. However, defects can also be beneficial to materials in providing dopants to control both their carrier concentration and whether the carriers are n-type or p-type 1-16 . Isotopic defects can also be used to probe materials’ properties by separating their electronic properties from behaviors associated with their phonon dynamics. Isotopic defects consist of defects that do not alter the electronic properties of the material. Because of the significant percentage difference between the mass of the 12 C and 13 C isotopic species, the graphene phonon frequencies for 13 C isotopes differ sufficiently from those of 12 C so that they can be used to probe related phonon

Subfields: Electrical and Electronic Engineering, Materials Chemistry

View Paper: https://www.semanticscholar.org/paper/c5ab309bf8c4cbe55141fab5a9a36fb2da001817

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Citations in the corpus

• A Review on Lattice Defects in Graphene: Types, Generation, Effects and Regulation (2017, background): “In most cases, these unavoidable defects can affect the mechanical properties as well as the thermal and electrical conductivities [16] of graphene and graphene-based nano-composites [17].”