On the sensitivity of positron annihilation signals to alloy homogeneity in InxGa1-xN

13th International Workshop on Slow Positron Beam Techniques and Applications

Tuomisto, F.^1 ; Norrman, V.^1 ; Makkonen, I.^2

Department of Applied Physics, Aalto University, POB 11100, 00076 Aalto, Finland^1

Department of Applied Physics, COMP Centre of Excellence, Aalto University, POB 11100, 00076 Aalto, Finland^2

关键词: InGaN alloy;    Super cell;    Theoretical calculations;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/505/1/012042/pdf
DOI  :  10.1088/1742-6596/505/1/012042

来源: IOP

【 摘 要 】

We present results of theoretical calculations of positron annihilation signals in InGaN alloys with and without vacancies. We demonstrate the sensitivity of the signals to the different configurations of the In/Ga atoms in In1-xGaxN supercells.