Email this article Optical Spectra of GaSe and GaS Crystals of Different Thicknesses
- Authors: Agekyan V.F.1, Serov A.Y.1, Filosofov N.G.1
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Affiliations:
- St. Petersburg State University
- Issue: Vol 60, No 6 (2018)
- Pages: 1223-1225
- Section: Semiconductors
- URL: https://ogarev-online.ru/1063-7834/article/view/203290
- DOI: https://doi.org/10.1134/S1063783418060021
- ID: 203290
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Abstract
The transmission spectra of GaSe and GaS crystals of different thicknesses prepared by mechanical stratification of bulk crystals have been investigated. The quantum-size shifts of exciton resonances in thin GaSe samples are as high as 12 meV, which is close to the exciton binding energy. The high-energy interband transitions in GaSe and GaS are observed near 3.4 and 3.7 eV, respectively.
About the authors
V. F. Agekyan
St. Petersburg State University
Author for correspondence.
Email: v.agekyan@spbu.ru
Russian Federation, St. Petersburg, 199034
A. Yu. Serov
St. Petersburg State University
Email: v.agekyan@spbu.ru
Russian Federation, St. Petersburg, 199034
N. G. Filosofov
St. Petersburg State University
Email: v.agekyan@spbu.ru
Russian Federation, St. Petersburg, 199034
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