What is it about?
We investigate the optical characteristics of semiconductors using the knowledge that photons are particles (quantum) in nature. These were derived using Maxwell equations, which are now quantized. Previously, these properties are derived from the classical Maxwell equations treating light as a wave. The former treatment is crucial, especially when a material's thickness is very small (nanometer). The Tauc formula was used to calculate a material's energy gap by extrapolating its plot. Our investigation identified the slope of the extrapolated straight line, which was discovered to be dependent on the refractive index of the material from which the energy gap may be calculated.
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Why is it important?
The tailing parameter in the Tauc plot (the slope of the extrapolated line) may be used to calculate the material's energy gap.
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This page is a summary of: Validation of optical conductivity and tailing parameter, EPL (Europhysics Letters), August 2024, Institute of Physics Publishing,
DOI: 10.1209/0295-5075/ad69be.
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