Comprehensive investigation of trap-assisted conduction in ultra-thin SrTiO3 layers
The conduction in thin SrTiO3 (STO) films has been investigated. Characterization of leakage current as a function of bias, temperature and film thickness indicates field enhanced hopping as the dominating conduction mechanism. The findings were confirmed by photo-conductivity measurements and agree well with simulation results.
srtio3 leakage conduction mechanism photoconductivity temperature dependent leakage