Polarized Near-Band Edge Photoluminescence in CuGaS2 Single Crystal
- 1 September 1988
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 27 (9R)
- https://doi.org/10.1143/jjap.27.1780
Abstract
Near-band edge photoluminescence in CuGaS2 has been measured at room temperature. It has been found that the green emission at 2.454 eV is strongly polarized parallel to the c-axis. In addition, a new emission peaked at 2.55 eV has been observed with the polarization perpendicular to the c-axis. These emissions are discussed in terms of the optical selection rule and exciton energies.Keywords
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