Abstract
The standard analytical method identifies a momentum-relaxation rate with the absorption rate whereas the model of Conwell and Vassell involves both emission and absorption rates suitably weighted by momentum exchange. Both models estimate mobility in a relaxation-time approximation. They obtain roughly the same room-temperature result for GaAs but differ by almost a factor of 3 for bulk GaN and a factor of 2 for quasi-2D GaN, the standard model predicting the lower value. In this report the physics behind this difference is shown to be associated with the ratio and with the frequency of electron-electron scattering, the standard model being valid only for electron concentrations that are not too high.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
