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Related Experiment Video

Updated: Jul 14, 2026

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

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

Published on: July 24, 2015

Various defects in graphene: a review.

Mahesh Datt Bhatt¹, Heeju Kim^1,2, Gunn Kim^1,2

¹Hybrid Materials Center, Sejong University Seoul 05006 Korea gunnkim@sejong.ac.kr.

|August 17, 2022

Summary

Defects in pristine graphene, while hindering applications, can be intentionally introduced to unlock its potential for nanoelectronics and spintronics. This review covers advancements, limitations, and future outlooks for defect-engineered graphene.

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Area of Science:

Materials Science
Condensed Matter Physics
Nanotechnology

Background:

Pristine graphene exhibits excellent properties but has limitations for electronic and spintronic applications due to its zero bandgap and nonmagnetic nature.
Synthesis and fabrication processes often introduce defects, which can negatively impact graphene's performance.
Tailoring graphene's electronic and magnetic properties requires intentional introduction of specific defects.

Purpose of the Study:

To review the current advancements in utilizing intrinsic and extrinsic defects in graphene.
To explore the potential applications of defect-engineered graphene.
To discuss the limitations and future outlook for defect engineering in graphene.

Main Methods:

Literature review of recent studies on graphene defects.
Analysis of defect types (intrinsic and extrinsic) and their impact on graphene properties.
Discussion of applications in electronic devices, transparent electrodes, and spintronics.

Main Results:

Defects can be strategically introduced to modify graphene's bandgap and magnetic properties.
Engineered defects enable graphene's use in advanced nanoelectronic and spintronic devices.
Understanding defect mechanisms is crucial for optimizing graphene for specific applications.

Conclusions:

Defect engineering is a key strategy to overcome the limitations of pristine graphene.
Tailored defects unlock hidden potential for high-performance electronic and spintronic devices.
Further research is needed to fully realize the potential of defect-engineered graphene.