| Abstract
| - By simulating the electron diffraction spectra (EDS) of medium-sized silicon clusters, we find that the featuresin the EDS are sensitive to the atomic structures of the clusters. This enables us to differentiate the differentisomers of Si clusters effectively. Moreover, our calculations reveal that for a gas-phase system consisting ofdifferent Si isomers, the total electron diffraction spectra can be approximately expressed as a linear combinationof the electron diffraction spectra of the individual isomers. Thus, we propose a scheme to determine theatomic structures of the individual isomers in a gas-phase product of silicon clusters.
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