Fig. 3From: AlN Nanowall Structures Grown on Si (111) Substrate by Molecular Beam EpitaxyScanning electron micrographs of AlN nanowall structures grown on Si (111) substrate in the different N/Al flux ratios a 660, b 550, c 400, d 200, and e 50. The inserts are the fast Fourier transformed patternsBack to article page