Visible Cathodoluminescence of AgGaS2, a I-III-VI2 Chalcopyrite Compound
- 1 April 1972
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 20 (7) , 257-259
- https://doi.org/10.1063/1.1654138
Abstract
The cathodoluminescence of AgGaS2, a I‐III‐VI2 ternary chalcopyrite compound, has been studied in the 2.1–2.8‐eV range at 300, 77, and 21 °K. At 300 and 77 °K the annihilation of free excitons is observed, while at 21 °K only extrinsic transitions appear. A study of the polarization shows that the excitonic lines are polarized E ∥ C.Keywords
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