On the concentration dependence of the direct and indirect band gaps of substitutional GaPxAs1−x alloys |
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| Authors: | RL Sakar S Chatterjee |
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| Institution: | Department of Physics, University of Kalyani, India;Department of General Physics and X-rays, Indian Association for the Cultivation of Science, Calcutta 700 032, India |
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| Abstract: | The variation of the direct and indirect band gaps of the substitutional GaPxAs1?x alloy with concentration has been studied by the KKRZ-ATA method. It is found that the gaps plotted against concentrations have little bowing on the low concentration side of GaP. This bowing has been discussed in the light of existing theoretical and experimental results. |
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