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Journal of Spectroscopy
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Journal of Spectroscopy
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2021
/
Article
/
Fig 3
/
Research Article
Spectroscopic Analysis for Harnessing the Quality and Potential of Gemstones for Small and Medium-Sized Enterprises (SMEs)
Figure 3
Plot of ln[
F
(
r
)] versus Photon energy (h
ν
) for the calculation of Urbach energy.