Observation of the fcc-to-hcp Transition in Ensembles of Argon Nanoclusters

N.V. Krainyukova, R. E. Boltnev, E. P. Bernard,* V.V. Khmelenko, D.M. Lee, and V. Kiryukhin B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine, 47 Lenin Avenue, Kharkov 61103, Ukraine Branch of Institute of Energy Problems of Chemical Physics, Chernogolovka, Moscow Region 142432, Russia Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, New York 14853, USA Department of Physics and Astronomy, Texas AM revised manuscript received 4 November 2012; published 13 December 2012)