Phys. , 및 Ville Miikkulainen, Markku Leskel, Mikko Ritala, Riikka Puurunen, J. Appl. Phys. ,. Other major additions were based on the reviews by Harm Knoops, Tahsin Faraz, Karsten Arts and Erwin Kessels, to be published in J. Vac.