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Imperfections in Crystal Structure: Point, Line and Plane Defects

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Related Experiment Video

Updated: Jun 6, 2026

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities

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Published on: July 24, 2015

Structural defects in graphene.

Florian Banhart¹, Jani Kotakoski, Arkady V Krasheninnikov

¹Institut de Physique et Chimie des Matériaux, UMR 7504 CNRS, Université de Strasbourg, 23 rue du Loess, 67034 Strasbourg, France. banhart@ipcms.u-strasbg.fr

|November 25, 2010

Summary

Structural defects in graphene, while often detrimental, can be leveraged to engineer novel functionalities. This review explores intrinsic and extrinsic defects, highlighting graphene

Area of Science:

Nanotechnology
Materials Science
Condensed Matter Physics

Background:

Graphene exhibits exceptional electronic and mechanical properties due to its near-perfect atomic lattice.
Structural defects, arising during synthesis or processing, can degrade graphene's performance in devices.
However, controlled defects offer opportunities to tune graphene's properties and introduce new functionalities.

Purpose of the Study:

To review current knowledge on point and line defects in graphene.
To emphasize graphene's lattice reconstruction capabilities around intrinsic defects.
To discuss the role of extrinsic defects, such as foreign atoms, in tailoring graphene properties.

Main Methods:

Literature review of existing research on graphene defects.

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Analysis of studies focusing on intrinsic defect reconstruction.

Examination of research on extrinsic defects and their impact.

Main Results:

Graphene's unique ability to reconstruct its lattice around intrinsic defects creates novel effects and applications.
Point and line defects significantly influence graphene's electronic and mechanical characteristics.
Extrinsic defects, like adsorbed foreign atoms, are crucial for designing specialized graphene-based devices.

Conclusions:

Understanding and controlling graphene defects are essential for advancing nanotechnology and materials science.
Defect engineering in graphene opens pathways for developing next-generation electronic and functional materials.
Both intrinsic lattice reconstructions and extrinsic atom incorporation are key strategies for bespoke graphene applications.