The UV-absorption of europium atoms embedded in helium nanodroplets

被引：22

作者：

Bartelt, A

Close, JD

Federmann, F

Hoffmann, K

Quaas, N

Toennies, JP

机构：

[1] Max-Planck-Institut für Strömungsforschung, D-37073 Göttingen

来源：

ZEITSCHRIFT FUR PHYSIK D-ATOMS MOLECULES AND CLUSTERS | 1997年 / 39卷 / 01期

关键词：

D O I：

10.1007/s004600050101

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

We have measured the W-absorption spectrum (4f-->5d transitions) of single europium atoms embedded in helium droplets using a beam depletion technique. The electronic levels involved in the transition lie spatially within the closed 6s(2) shell leading to significant shielding from the surrounding helium environment. We observe the narrowest absorption lines ever reported in liquid helium and compare our data and experimental method, with experiments carried out in bulk liquid helium.

引用

页码：1 / 2

页数：2

共 8 条

[1] Cold metal clusters: Helium droplets as a nanoscale cryostat [J].