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APS » Journals » Phys. Rev. Lett. » Volume 98 » Issue 19
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Phys. Rev. Lett. 98, 195506 (2007) [4 pages]

Noble-Gas Nanoclusters with Fivefold Symmetry Stabilized in Superfluid Helium

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V. Kiryukhin1, E. P. Bernard2, V. V. Khmelenko2, R. E. Boltnev3, N. V. Krainyukova4, and D. M. Lee2
1Department of Physics and Astronomy, Rutgers University, Piscataway, New Jersey 08854, USA
2Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, New York 14853, USA
3Branch of Institute of Energy Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow Region 142432, Russia
4Institute for Low Temperature Physics and Engineering, NASU, 47 Lenin Avenue, Kharkov 61103, Ukraine

Received 12 December 2006; revised 28 February 2007; published 11 May 2007

Macroscopic samples (volume∼cm3, atomic density∼1019–1020  cm-3) of noble-gas nanoclusters (size∼5–6  nm) were produced in superfluid helium by an impurity-helium gas injection technique. X-ray diffraction measurements show that the samples consist of weakly interacting nanoclusters with fivefold symmetry, such as icosahedra and decahedra. These results open new opportunities for fundamental research of nanoclusters of noble gases and other materials in well-controlled environments using experimental techniques requiring bulk samples.

© 2007 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.98.195506
DOI:
10.1103/PhysRevLett.98.195506
PACS:
61.46.Bc, 61.66.Bi, 61.82.Rx
 
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