solid state physics - Why the direct band gap semiconductor get higher optical absorption coefficient than indirect band gap semiconductor - Physics Stack Exchange
Direct and indirect band gaps - Wikipedia
Frontiers | Group IV Direct Band Gap Photonics: Methods, Challenges, and Opportunities
What is the difference between direct and indirect band gap? | ResearchGate
Indirect Band Gap - an overview | ScienceDirect Topics
Bandgap engineering of two-dimensional semiconductor materials | npj 2D Materials and Applications
indirect absorption
The direct-to-indirect band gap crossover in two-dimensional van der Waals Indium Selenide crystals | Scientific Reports
Direct and indirect band gaps - Wikipedia
Indirect Band Gap - an overview | ScienceDirect Topics
Absorption Coefficient Alpha - an overview | ScienceDirect Topics
Indirect-To-Direct Band Gap Transition of One-Dimensional V2Se9: Theoretical Study with Dispersion Energy Correction | ACS Omega
Indirect Band Gap Semiconductors for Thin-Film Photovoltaics: High-Throughput Calculation of Phonon-Assisted Absorption | Journal of the American Chemical Society
Band Gap - an overview | ScienceDirect Topics
Evidence of indirect gap in monolayer WSe2 | Nature Communications
Band gap, explained by RP Photonics Encyclopedia; dielectrics, semiconductors, metals, energy, electronic levels, band gap wavelength, absorption, emission, fluorescence
Why does phonon absorption or emission occur in an indirect band gap semiconductor? - Quora
Can a material show both the direct and indirect band gap? - Quora
Absorption Coefficient - Peng Chen's Homepage
Lecture 14.fm
Indirect Band Gap Semiconductors for Thin-Film Photovoltaics: High-Throughput Calculation of Phonon-Assisted Absorption | Journal of the American Chemical Society
How to know a material has either direct or indirect bandgap energy - 18 - YouTube
