2 papers
physics.app-ph2020
Ultra-low doping and local charge variation in graphene measured by Raman: experiment and simulation
Zhuofa Chen, Nathan Ullberg, Mounika Vutukuru +2
Avoiding charge density variations and impurities in graphene is vital for high-quality graphene-based devices. Here, we demonstrate an optical method using Raman 2D peak-split to…
physics.app-ph2019
Monitoring the low doping regime in graphene using Raman 2D peak-splits: Comparison of gated Raman and transport measurements
Zhuofa Chen, Nathan Ullberg, Mounika Vutukuru +2
Avoiding charge density fluctuations and impurities in graphene is vital for high-quality graphene-based devices. Traditional characterization methods require device fabrication an…