Gas-phase chromatography studies of nihonium (Nh, Z= 113 were carried out at the one-atom-at-a-time level. For the production of nihonium, the heavy-ion-induced nuclear fusion reaction of 48 Ca with 243 Am was used. This leads to isotopes 284, 285 Nh, as the direct descendants of the α -decaying precursors 288, 289 Mc. Combining the Dubna Gas-Filled Recoil Separator with gas-phase chromatographic separation, the experiment was sensitive to elemental nihonium and its adsorption behavior on Teflon, theoretically predicted by modern relativistic density functional theory. The non-observation of any decays of Nh after the chemical separation indicates a larger than expected retention of elemental Nh on a Teflon surface.
CITATION STYLE
Aksenov, N. V., Steinegger, P., Abdullin, F. S., Albin, Y. V., Bozhikov, G. A., Chepigin, V. I., … Dmitriev, S. N. (2017). On the volatility of nihonium (Nh, Z = 113. European Physical Journal A, 53(7). https://doi.org/10.1140/epja/i2017-12348-8
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