Role of Joule Heating on Current Saturation and Transient Behavior of Graphene Transistors
Role of Joule Heating on Current Saturation and Transient Behavior of Graphene Transistors
We use simulations to examine current saturation in sub-micron graphene transistors on SiO2/Si. We find self-heating is partly responsible for current saturation (lower output conductance), but degrades current densities >1 mA/um by up to 15%. Heating effects are reduced if the supporting insulator is thinned, or in shorter channel devices …