Chemical studies of elements with Z ⩾ 104 in gas phase

Türler, Andreas; Eichler, Robert; Yakushev, A (2015). Chemical studies of elements with Z ⩾ 104 in gas phase. Nuclear physics. A, 944, pp. 640-689. Elsevier 10.1016/j.nuclphysa.2015.09.012

[img] Text
1-s2.0-S0375947415002195-main.pdf - Published Version
Restricted to registered users only
Available under License Publisher holds Copyright.

Download (4MB) | Request a copy

Chemical investigations of superheavy elements in the gas-phase, i.e. elements with Z≥104Z≥104, allow assessing the influence of relativistic effects on their chemical properties. Furthermore, for some superheavy elements and their compounds quite unique gas-phase chemical properties were predicted. The experimental verification of these properties yields supporting evidence for a firm assignment of the atomic number. Prominent examples are the high volatility observed for HsO4 or the very weak interaction of Cn with gold surfaces. The unique properties of HsO4 were exploited to discover the doubly-magic even–even nucleus 270Hs and the new isotope 271Hs. The combination of kinematic pre-separation and gas-phase chemistry allowed gaining access to a new class of relatively fragile compounds, the carbonyl complexes of elements Sg through Mt. A not yet resolved issue concerns the interaction of Fl with gold surfaces. While competing experiments agree on the fact that Fl is a volatile element, there are discrepancies concerning its adsorption on gold surfaces with respect to its daughter Cn. The elucidation of these and other questions amounts to the fascination that gas-phase chemical investigations exert on current research at the extreme limits of chemistry today.

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Departement of Chemistry and Biochemistry

UniBE Contributor:

Türler, Andreas and Eichler, Robert

Subjects:

500 Science > 570 Life sciences; biology
500 Science > 540 Chemistry

ISSN:

0375-9474

Publisher:

Elsevier

Language:

English

Submitter:

Franziska Bornhauser-Rufer

Date Deposited:

22 Jan 2016 16:29

Last Modified:

26 Jan 2016 18:54

Publisher DOI:

10.1016/j.nuclphysa.2015.09.012

BORIS DOI:

10.7892/boris.74954

URI:

https://boris.unibe.ch/id/eprint/74954

Actions (login required)

Edit item Edit item
Provide Feedback