The D' band is present in the defect-dense areas, appearing as a higher-Raman shift shoulder of the G band. The ratio between the D and D’ bands can be utilized to differentiate between defect types; ...

In battery research, Raman spectroscopy is a key tool for analyzing materials, monitoring degradation, and optimizing performance in energy storage systems.

Adiabatic and Nonadiabatic Approximations Use of Perturbation Theory for the Phonon Frequency Shift Experimental Evidence of the Kohn Anomaly on the G‐band of Graphene Effect of the Kohn Anomaly on ...