Comparison between AlN and Al2O3 ceramics applied to barrier dielectric of plasma actuator
Bian Dong-Liang1, Wu Yun2, †, Jia Min1, Long Chang-Bai1, Jiao Sheng-Bo1
       

(color online) Enlarged surface morphologies around the exposed electrode taken from the surfaces of (a) AlN actuator and (b) Al2O3 actuator.