Optical Bandgap Definition via a Modified Form of Urbach’s Rule
We are reporting an esoteric method to determine the optical bandgap of direct gap materials by employing Urbach’s rule. The latter, which describes the slope of the band tail absorption in semiconductors, in its original version, cannot be employed to pinpoint the optical bandgap. Herein, however,...
Main Authors: | Mithun Bhowmick, Haowen Xi, Bruno Ullrich |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2021-03-01
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Series: | Materials |
Subjects: | |
Online Access: | https://www.mdpi.com/1996-1944/14/7/1639 |
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