Charge localization around disclinations in monolayer graphite

TL;DR

This paper uses a continuum model to show that negative curvature disclinations in monolayer graphite tend to localize charge, while positive curvature disclinations repel charge, revealing curvature-dependent charge behavior.

Contribution

It introduces a continuum approach to analyze charge localization around disclinations in monolayer graphite, highlighting the effects of curvature sign.

Findings

Negative curvature disclinations localize charge

Positive curvature disclinations repel charge

Charge behavior depends on curvature sign

Abstract

Using a continuum model, we obtain qualitative results that imply charge localization around negative curvature disclinations (i.e. rings with more than 6 Carbon atoms) in a graphite sheet. Conversely, it is found that positive curvature disclinations repel charge, independent of its sign.