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Published on: April 28, 2014
Noble-gas nanoclusters with fivefold symmetry stabilized in superfluid helium
V Kiryukhin1, E P Bernard, V V Khmelenko
1Department of Physics and Astronomy, Rutgers University, Piscataway, NJ 08854, USA.
Abstract:
Macroscopic samples (volume approximately cm(3), atomic density approximately 10(19) -10(20) cm(-3)) of noble-gas nanoclusters (size approximately 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.
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