Long range epitaxial growth of prismatic heterostructures on the facets of catalyst-free GaAs nanowires
Matthias Heigoldt ,  Jordi Arbiol ,  Danče Spirkoska ,  Josep M. Rebled ,  Sònia Conesa-Boj ,  Gerhard Abstreiter ,  Francesca Peiró ,  Joan R. Morante and Anna Fontcuberta i Morral
Walter Schottky Institute,Technical University of Munich, Am Coulombwall 3, Garching, Germany
J. Mater. Chem., 2009,19, 840-848