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Electronic relaxation in lead clusters : an indicator of non-metallic behavior

Electronic relaxation in lead clusters : an indicator of non-metallic behavior

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HEINZELMANN, Julian, Patrick KRUPPA, Sebastian PROCH, Young DOK KIM, Gerd GANTEFÖR, 2014. Electronic relaxation in lead clusters : an indicator of non-metallic behavior. In: Chemical Physics Letters. 603, pp. 1-6. ISSN 0009-2614. eISSN 1873-4448. Available under: doi: 10.1016/j.cplett.2014.04.034

@article{Heinzelmann2014Elect-30019, title={Electronic relaxation in lead clusters : an indicator of non-metallic behavior}, year={2014}, doi={10.1016/j.cplett.2014.04.034}, volume={603}, issn={0009-2614}, journal={Chemical Physics Letters}, pages={1--6}, author={Heinzelmann, Julian and Kruppa, Patrick and Proch, Sebastian and Dok Kim, Young and Ganteför, Gerd} }

Proch, Sebastian eng Electronic relaxation in lead clusters : an indicator of non-metallic behavior 2015-02-25T08:04:28Z Heinzelmann, Julian Proch, Sebastian Ganteför, Gerd Kruppa, Patrick Dok Kim, Young Time-resolved photoemission spectroscopy was used to shed light on the relaxation dynamics of optically excited states of mass-selected Pb<sub>n</sub> cluster anions. For clusters with 9–21 atoms, relaxation times were estimated to be several picoseconds as expected for non-metallic species. For Pb<sub>12</sub><sup>−</sup> and Pb<sub>13</sub><sup>−</sup>, it was possible to observe photo-excited electrons hopping down the ladder of excited states back to the ground state. For Pb<sub>28</sub><sup>−</sup>, a long relaxation time of 15 ps was found, i.e., although the density of states increased considerably with increasing cluster size, electronic relaxation was still very slow at this cluster size due to its non-metallic nature. 2015-02-25T08:04:28Z Ganteför, Gerd Kruppa, Patrick 2014 Dok Kim, Young Heinzelmann, Julian

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