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a) UV-visible absorption spectrum, and (b) band gap energy calculation... | Download Scientific Diagram
Robust indirect band gap and anisotropy of optical absorption in B-doped phosphorene - Physical Chemistry Chemical Physics (RSC Publishing)
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Measured optical absorption spectra (upper) and direct band gap fits... | Download Scientific Diagram
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Optical band gap and infrared phonon modes of (La0.29Sr0.71)(Al0.65Ta0.36)O3 (LSAT) single crystal from infrared to ultraviolet range spectroscopic ellipsometry
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Understanding of sub-band gap absorption of femtosecond-laser sulfur hyperdoped silicon using synchrotron-based techniques | Scientific Reports
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File:Bulk-absorption-coefficient-a-calculated-with-the-band-gap-model-blue-dotted-line-the.png - Wikimedia Commons
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Why is the absorption coefficient (α) not zero for energy of incident photon less than the band gap of the semiconductor? - Electrical Engineering Stack Exchange
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Effect of the band gap and the defect states present within band gap on the non-linear optical absorption behaviour of yttrium aluminium iron garnets - ScienceDirect
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