Li, D.; Liu, Y.; de la Mata, M.; Magen, C.; Arbiol, J.; Feng, Y.; Xiong, Q. "Strain-induced spatially indirect exciton recombination in zinc-blende/wurtzite CdS heterostructures" Nano Research 8, 9, pp. 3035 - 3044. 2015 DOI: 10.1007/s12274-015-0809-8