Issue 45, 2021

Lattice dynamics of graphene nanoribbons under twisting

Abstract

In this communication, we investigate the lattice dynamics of twisted graphene nanoribbons using the density-functional tight-binding method based on screw symmetry. The results show that the decrease in phonon group velocity induced by twisting reduces the lattice thermal conductivity. Our findings provide inspiration for the design of graphene-based phononic devices tailored by inhomogeneous strain.

Graphical abstract: Lattice dynamics of graphene nanoribbons under twisting

Supplementary files

Article information

Article type
Communication
Submitted
19 Aug 2021
Accepted
03 Nov 2021
First published
03 Nov 2021

Phys. Chem. Chem. Phys., 2021,23, 25485-25489

Lattice dynamics of graphene nanoribbons under twisting

Z. Liu, Z. Zhang, H. Zhao, J. Wang and Y. Liu, Phys. Chem. Chem. Phys., 2021, 23, 25485 DOI: 10.1039/D1CP03806K

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