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The fcc-hcp transition in single-component and binary van der Waals clusters from electron difraction data
O. G. Danylchenko, S. I. Kovalenko, O. P. Konotop +1
An electron diffraction study of nucleation and growth of the hcp phase in large pure Ar and mixed Ar-Kr clusters formed by supersonic jet expansion is carried out. The threshold c…
Size and composition of clusters produced by supersonic expansion of binary gas mixtures
O. P. Konotop, S. I. Kovalenko, O. G. Danylchenko +1
Size and composition of clusters produced by adiabatic expansion of binary gas mixtures (Ar-Kr, Kr-Xe, and N2-Ar) with various component concentrations are studied by using electro…
Exciton-impurity luminescence from noncrystalline xenon-argon clusters
O. G. Danylchenko, Yu. S. Doronin, S. I. Kovalenko +3
For the first time in binary mixtures of solid rare gases exciton-impurity luminescence is observed from a xenon-argon system containing argon as impurity. An exciton-impurity emis…
Abnormally large changes in anharmonicity of intramolecular vibrations in free clusters of nitrogen
O. Danylchenko, Yu. Doronin, S. Kovalenko +3
Cathodoluminescence VUV spectra of free pure nitrogen clusters produced by condensation of gas mixtures in supersonic jets expanding into vacuum were studied. The clusters were of…
Luminescence evidence for bulk and surface excitons in free xenon clusters
O. G. Danylchenko, Yu. S. Doronin, S. I. Kovalenko +3
Cathodoluminescence spectra of free xenon clusters produced by condensation of xenon-argon gas mixtures in supersonic jets expanding into vacuum were studied. By varying initial ex…
Direct observation of free excitons in luminescence spectra of xenon clusters
O. G. Danylchenko, Yu. S. Doronin, S. I. Kovalenko +3
Luminescence of surface and free bulk excitons is detected in xenon for the first time for substrate-free rare-gas clusters. Xenon clusters were produced by the method of gas conde…