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The mobility of positively charged `snowballs' in normal liquid helium
journal contribution
posted on 2015-11-17, 11:34 authored by F. Aitken, N. Bonifaci, Luis Guillermo Mendoza Luna, Klaus von HaeftenPositively charged helium clusters, also called ‘snowballs’, have been investigated within normal liquid helium. Thermodynamic state equations for ionic helium clusters in liquid helium have been developed, allowing us to discern the ‘hydrodynamic’ radius for a wide range of hydrostatic pressures and temperatures. The mobilities derived from the cluster sizes using stokes law match experimental data with unsurpassed accuracy. For low pressures the compressibility of the cluster ions was found to be distinctly larger than the compressibility of solid helium suggesting that in this pressure range clusters are fully or partially liquid.
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Citation
Physical Chemistry Chemical Physics, 2015, 17, pp. 18535-18540 (6)Author affiliation
/Organisation/COLLEGE OF SCIENCE AND ENGINEERING/Department of Physics and AstronomyVersion
- AM (Accepted Manuscript)
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Physical Chemistry Chemical PhysicsPublisher
Royal Society of Chemistryissn
1463-9076eissn
1463-9084Acceptance date
2015-06-22Copyright date
2015Available date
2016-06-22Publisher DOI
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http://pubs.rsc.org/en/Content/ArticleLanding/2015/CP/C5CP02539G#!divAbstractNotes
The file associated with this record is under a 12-month embargo from publication in accordance with the publisher's self-archiving policy, available at http://www.rsc.org/journals-books-databases/open-access/green-open-access/. The full text may be available through the publisher links provided above.Language
enAdministrator link
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