Influences of thickness and temperature of low temperature GaAs buffer layer on two-step MOVPE grown GaAs/Ge heterostructuresIlkay Demir, Ahmet Emre Kasapoğlu, Hasan Feyzi Budak, Emre Gür and Sezai ElagozEur. Phys. J. Appl. Phys., 90 2 (2020) 20301DOI: https://doi.org/10.1051/epjap/2020190216