Temperature dependent mobility measurements of alkali-earth ions in superfluid helium ( super(4)He)

Mobility measurements of alkali-earth ions Be super(+), Mg super(+), Ca super(+), Sr super(+) and Ba super(+) in the temperature range 1.27 to 1.66 K are presented. The mobility of Be super(+) shows a different behavior in comparison to that of Mg super(+), although the properties of the two element...

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Veröffentlicht in:	Journal of low temperature physics 1998-01, Vol.110 (1-2), p.231-236
Hauptverfasser:	Foerste, M, Guenther, H, Riediger, O, Wiebe, J, zu Putlitz, G
Format:	Artikel
Sprache:	eng
Schlagworte:	Barium Beryllium Calcium Ions Low temperature properties Magnesium Strontium Thermal effects
Online-Zugang:	Volltext
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Zusammenfassung:	Mobility measurements of alkali-earth ions Be super(+), Mg super(+), Ca super(+), Sr super(+) and Ba super(+) in the temperature range 1.27 to 1.66 K are presented. The mobility of Be super(+) shows a different behavior in comparison to that of Mg super(+), although the properties of the two elements are similar. This may suggest that Be super(+) forms an alternate structure, perhaps a snowball, compared to the bubble like defect of Mg super(+).
ISSN:	0022-2291