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Decay-rate power-law exponent as a link between dissociation energy and temperature
- Indium-cluster anions In−nare probed for delayed dissociation by photoexcitation in a multi-reflection time-of-flight device. In addition to prompt dissociation with below-microsecond decay constants, we observe reactionson timescales of several tens to hundreds of microseconds. These time-resolved decay-rate measurements reveala power-law behavior in time which can be traced back to the clusters’ energy distribution due to their productionby laser ablation in high vacuum. Modeling energy distributions from such a production allows us to connect thecluster-specific dissociation energy with the ensemble temperature through experimentally determined power-law exponents.
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| Author: | Paul FischerORCiD, Lutz Schweikhard |
|---|---|
| URN: | urn:nbn:de:gbv:9-opus-44484 |
| DOI: | https://doi.org/https://doi.org/10.1103/PhysRevResearch.2.043177 |
| ISSN: | 2643-1564 |
| Parent Title (English): | Physical Review Research |
| Publisher: | American Physical Society (APS) |
| Place of publication: | College Park, MD |
| Document Type: | Article |
| Language: | English |
| Date of first Publication: | 2020/11/03 |
| Release Date: | 2022/06/10 |
| Volume: | 2 |
| Article Number: | 043177 |
| Faculties: | Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik |
| Collections: | Artikel aus DFG-gefördertem Publikationsfonds |
| Licence (German): |  Creative Commons - Namensnennung |