Optical absorption of small silver clusters: Agn, (n=4–22)

We present a joint theoretical and experimental investigation of the absorption spectra of silver clusters Agn (4<=n<=22). The experimental spectra of clusters isolated in an Ar matrix are compared with the calculated ones in the framework of the time-dependent density functional theory. The analysis of the molecular transitions indicates that the s-electrons are responsible for the optical response of small clusters (n<=8) while the d-electrons play a crucial role in the optical excitations for larger n values.


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J. chem. phys., 129, 194108
Year:
2008
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 Record created 2008-12-11, last modified 2018-01-28

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