@article {shen2013role,
	title = {Role of an ultra-thin AlN/GaN superlattice interlayer on the strain engineering of GaN films grown on Si (110) and Si (111) substrates by plasma-assisted molecular beam epitaxy},
	journal = {Applied Physics Letters},
	volume = {103},
	number = {23},
	year = {2013},
	pages = {231908},
	publisher = {AIP},
	author = {Shen, XQ and Takahashi, T. and Rong, X and G. Chen and Wang, XQ and B. Shen and Matsuhata, H and Ide, T and Shimizu, M}
}
