Fig. 3From: Chemical Vapor Deposition of Vertically Aligned Carbon Nanotube Arrays: Critical Effects of Oxide Buffer LayersCross-sectional SEM images of VACNTs grown on different buffer layers at 600 °C: a ALD Al2O3, b EB Al2O3, c sputtered Al2O3, and d SiO2. Images e and f show the internal structure of a and b at high magnificationBack to article page