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Temperature-Dependent Full Spectrum Optical Responses of Semiconductors from First Principles
Zherui Han, Changkyun Lee, Jiawei Song +3
From ultraviolet to mid-infrared region, light-matter interaction mechanisms in semiconductors progressively shift from electronic transitions to phononic resonances and are affect…
Effects of hot phonons and thermal stress in micro-Raman spectra of molybdenum disulphide
Peter Sokalski, Zherui Han, Gabriella Coloyan Fleming +5
Micro-Raman spectroscopy has become an important tool in probing thermophysical behavior in emerging functional materials such as two-dimensional (2D) layered structures. Localized…
Prediction of Hot Zone-center Optical Phonons in Laser Irradiated Molybdenum Disulfide with a Semiconductor Multitemperature Model
Zherui Han, Peter Sokalski, Li Shi +1
Previous multitemperature model (MTM) resolving phonon temperatures at the polarization level and measurements have uncovered remarkable nonequilibrium among different phonon polar…