Graphene bubbles with controllable curvature

TL;DR

This paper demonstrates how external electric fields can control the shape of graphene bubbles, enabling tunable electronic properties and potential applications like adaptive focus lenses.

Contribution

It introduces a method to manipulate the shape of graphene bubbles using electric fields, which is a novel approach for tuning graphene's properties.

Findings

Electric fields can modify the shape of graphene bubbles.

Shape control enables tuning of electronic properties.

Potential application in adaptive lenses.

Abstract

Raised above the substrate and elastically deformed areas of graphene in the form of bubbles are found on different substrates. They come in a variety of shapes, including those which allow strong modification of the electronic properties of graphene. We show that the shape of the bubble can be controlled by an external electric field. This effect can be used to make graphene-based adaptive focus lenses.