dorsal/arxiv
View SchemaElectronic entropy, shell structure, and size-evolutionary patterns of metal clusters
| Authors | Constantine Yannouleas, Uzi Landman |
|---|---|
| Categories | |
| ArXiv ID | physics/9906005 |
| URL | https://arxiv.org/abs/physics/9906005 |
| DOI | 10.1103/PhysRevLett.78.1424 |
| Journal | Phys. Rev. Lett. 78, 1424 (24 February 1997) |
Abstract
We show that electronic-entropy effects in the size-evolutionary patterns of relatively small (as small as 20 atoms), simple-metal clusters become prominent already at moderate temperatures. Detailed agreement between our finite-temperature-shell-correction-method calculations and experimental results is obtained for certain temperatures. This agreement includes a size-dependent smearing out of fine-structure features, accompanied by a measurable reduction of the heights of the steps marking major-shell and subshell closings, thus allowing for a quantitative analysis of cluster temperatures.
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"abstract": "We show that electronic-entropy effects in the size-evolutionary patterns of\nrelatively small (as small as 20 atoms), simple-metal clusters become prominent\nalready at moderate temperatures. Detailed agreement between our\nfinite-temperature-shell-correction-method calculations and experimental\nresults is obtained for certain temperatures. This agreement includes a\nsize-dependent smearing out of fine-structure features, accompanied by a\nmeasurable reduction of the heights of the steps marking major-shell and\nsubshell closings, thus allowing for a quantitative analysis of cluster\ntemperatures.",
"arxiv_id": "physics/9906005",
"authors": [
"Constantine Yannouleas",
"Uzi Landman"
],
"categories": [
"physics.atm-clus",
"cond-mat",
"nucl-th"
],
"doi": "10.1103/PhysRevLett.78.1424",
"journal_ref": "Phys. Rev. Lett. 78, 1424 (24 February 1997)",
"title": "Electronic entropy, shell structure, and size-evolutionary patterns of metal clusters",
"url": "https://arxiv.org/abs/physics/9906005"
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