Spectroscopy of mixed Ar-Xe clusters: Formation of a xenon core |
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Authors: | Yu S Doronin V N Samovarov |
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Institution: | (1) Verkin Physicotechnical Institute for Low Temperatures, National Academy of Sciences of Ukraine, Kharkov, 61103, Ukraine |
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Abstract: | The spectra of vacuum ultraviolet luminescence of heteroatomic Ar-Xe clusters condensed in supersonic jets of a mixture of these gases at a xenon impurity concentrations of 0.001–2% are measured. A new group of molecular luminescence bands of argon-xenon centers is recorded, which allows a highly sensitive detection of xenon in the argon matrix of a cluster. The phenomenon of phase separation into pure components with formation of a sharp interface between the xenon core and argon shell of the cluster is found. |
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