Thermally-Limited Current Carrying Ability of Graphene Nanoribbons

Abstract

We investigate high-field transport in graphene nanoribbons (GNRs) on SiO2, up to breakdown. The maximum current density is limited by self-heating, but can reach >3 mA/um for GNRs ~15 nm wide. Comparison with larger, micron-sized graphene devices reveals that narrow GNRs benefit from 3D heat spreading into the SiO2, which enables their higher current density. GNRs also benefit from lateral heat flow to the contacts in short devices (< ~0.3 um), which allows extraction of a median GNR thermal conductivity (TC), ~80 W/m/K at 20 C across our samples, dominated by phonons. The TC of GNRs is an order of magnitude lower than that of micron-sized graphene on SiO2, suggesting strong roles of edge and defect scattering, and the importance of thermal dissipation in small GNR devices.

arXiv commentthis version (v3) is very similar to that ultimately published in PRL

References in corpus (21)

• Room Temperature All Semiconducting sub-10nm Graphene Nanoribbon Field-Effect Transistors
• Dimensional crossover of thermal transport in few-layer graphene materials
• Energy Dissipation and Transport in Nanoscale Devices
• Facile Synthesis of High Quality Graphene Nanoribbons
• Spatially Resolving Spin-split Edge States of Chiral Graphene Nanoribbons
• High-Field, Quasi-Ballistic Transport in Short Carbon Nanotubes
• Mobility and Saturation Velocity in Graphene on SiO2
• Heat Conduction across Monolayer and Few-Layer Graphenes
• Charge Transport in Disordered Graphene-Based Low Dimensional Materials
• Electrical and Thermal Transport in Metallic Single-Wall Carbon Nanotubes on Insulating Substrates
• Mobility in Semiconducting Graphene Nanoribbons: Phonon, Impurity, and Edge Roughness Scattering
• Ballistic Phonon Thermal Transport in Multi-Walled Carbon Nanotubes
• Suppression of thermal conductivity in graphene nanoribbons with rough edges
• Imaging, simulation, and electrostatic control of power dissipation in graphene devices
• Coupled dynamics of electrons and phonons in metallic nanotubes: current saturation from hot phonons generation
• Thermal Dissipation and Variability in Electrical Breakdown of Carbon Nanotube Devices
• The Role of Electrical and Thermal Contact Resistance for Joule Breakdown of Single-Wall Carbon Nanotubes
• Electric Field-Dependent Charge-Carrier Velocity in Semiconducting Carbon Nanotubes
• Avalanche-Induced Current Enhancement in Semiconducting Carbon Nanotubes
• Phonon transport in large scale carbon-based disordered materials: Implementation of an efficient order-N and real-space Kubo methodology
• Observation of Space-Charge-Limited Transport in InAs Nanowires

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