Photoluminescence and luminescence excitation spectra in ZnSiP2 |
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Authors: | H. Nishida T. Shirakawa M. Konishi J. Nakai |
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Affiliation: | (1) Laboratory of Polytechnics, Faculty of Education, Tottori University, Koyama, 680 Tottori, Japan;(2) Department of Electronic Engineering, Faculty of Engineering, Osaka University, 565 Suita, Osaka, Japan |
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Abstract: | Summary Measurements of photoluminescence and luminescence excitation spectra of ZnSiP2 have been performed at 4.2K and two results were obtained. One is the observation of a new sharp emission line at 1.980 eV, due to the bound exciton associated with the pseudodirect gap. The other is the observation of another new series of absorption lines in the luminescence excitation spectrum of an emission line, at 1.984 eV, in addition to those reported previously. These results indicate that in ZnSiP2 radiative transitions occur at both the indirect and the pseudodirect gaps. Paper presented at the ?V International Conference on Ternary and Multinary Compound?, held in Cagliari, September 14–16, 1982. |
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Keywords: | Photoluminescence |
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