Heigoldt, M.; Arbiol, J.; Spirkoska, D.; Rebled, J.M.; Conesa-Boj, S.; Abstreiter, G.; Peiro, F.; Morante, J.R.; Fontcuberta, A. "Long range epitaxial growth of prismatic heterostructures on the facets of catalyst-free GaAs nanowires" Journal of Materials Chemistry 19, 7, pp. 840 - 848. 2009 DOI: 10.1039/b816585h