Desorption Dynamics of Rb2 Molecules Off the Surface of Helium Nanodroplets.
Desorption Dynamics of Rb2 Molecules Off the Surface of Helium Nanodroplets.
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氦纳米液滴表面 Rb2 分子的解吸动力学
DOI:
10.1021/acs.jpca.6b05732
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发表时间:
2016
期刊:
影响因子:
--
通讯作者:
M. Mudrich
中科院分区:
文献类型:
--
作者:
A. Sieg;J. von Vangerow;F. Stienkemeier;O. Dulieu;M. Mudrich
The desorption dynamics of rubidium dimers (Rb2) off the surface of helium nanodroplets induced by laser excitation is studied by employing both nanosecond and femtosecond ion imaging spectroscopy. Similarly to alkali metal atoms, we find that the Rb2desorption process resembles the dissociation of a diatomic molecule. However, both angular and energy distributions of detected Rb2+ions appear to be most crucially determined by the Rb2intramolecular degrees of freedom rather than by those of the Rb2HeNcomplex. The pump–probe dynamics of Rb2+is found to be slower than that of Rb+, pointing at a weaker effective guest–host repulsion for excited molecules than for single atoms.
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DOI:
--
发表时间:
2001
期刊:
影响因子:
--
作者:
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通讯作者:
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影响因子:
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作者:
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作者:
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通讯作者:
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影响因子:
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作者:
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