K Airola, S Mertin, J Likonen, E Hartikainen, K Mizohata… - Materialia, 2022 - cris.vtt.fi
We report on the anisotropic wet etching of sputtered AlN and Sc 0.2 Al 0.8 N thin films. With
tetramethyl ammonium hydroxide at 80 C, the etch rates along the c-axis were 330 and 30 …