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Study of the absorption properties of amorphous solids

Singh, J (2002). Study of the absorption properties of amorphous solids. Nonlinear Optics, Quantum Optics: concepts in modern optics,29(2-3):119-133.

Document type: Journal Article
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Title Study of the absorption properties of amorphous solids
Author Singh, J
Journal Name Nonlinear Optics, Quantum Optics: concepts in modern optics
Publication Date 2002
Volume Number 29
Issue Number 2-3
ISSN 1058-7268   (check CDU catalogue open catalogue search in new window)
Start Page 119
End Page 133
Total Pages 15
Place of Publication United Kingdom
Publisher Taylor & Francis
Field of Research 0204 - Condensed Matter Physics
0205 - Optical Physics
0206 - Quantum Physics
HERDC Category C1 - Journal Article (DEST)
Abstract Using the effective mass approach, Tauc's relation for the absorption coefficient is reinvestigated. Two different forms for the dependence of the absorption coefficient on the photon energy hbar are derived. The proportionality constants in both the relations are calculated theoretically using the appropriate effective masses, and compared with their experimental estimates. It is suggested that deviations from Tauc's relation may be attributed to the energy dependent transition matrix element. Merits and demerits of both forms are discussed in view of the experimental data available.
DOI http://dx.doi.org/10.1080/10587260215312   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
 
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