Abstract
The present investigation deals with the positron behaviour in Al x In1−x Sb ternary semiconductor alloys in the zinc-blende phase. The calculations are mainly based on a pseudopotential approach coupled with the independent particle model. Features such as elastic constants, electron and positron chemical potentials, positron deformation potential and positron diffusion constant are determined. Moreover, the positron affinity to InSb, AlSb and their related ternary alloys and heterostructures is calculated. The present results are compared to experiment and found to be in reasonably good agreement. The information gathered from the present study can help in understanding the positron trapping at interfaces and precipitates and might be useful in slow-positron-beam experiments.
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Fares, N.EH., Bouarissa, N. Positron Affinity, Deformation Potential and Diffusion Constant in Al x In1−x Sb Ternary Semiconductor Alloys. Acta Metall. Sin. (Engl. Lett.) 29, 661–667 (2016). https://doi.org/10.1007/s40195-016-0433-y
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DOI: https://doi.org/10.1007/s40195-016-0433-y