From: Correlation between Al grain size, grain boundary grooves and local variations in oxide barrier thickness of Al/AlOx/Al tunnel junctions by transmission electron microscopy
Thickness
60 nm
15 nm
\(\langle d \rangle \) (nm)
92 ± 8
38 ± 3
\(\sigma _d\) (nm)
45 ± 10
18 ± 4