dorsal/arxiv
View SchemaEmergence of Bulk CsCl Structure in (CsCl)nCs+ Cluster Ions
| Authors | Andres Aguado |
|---|---|
| Categories | |
| ArXiv ID | physics/0008235 |
| URL | https://arxiv.org/abs/physics/0008235 |
| DOI | 10.1103/PhysRevB.62.13687 |
| Journal | Phys. Rev. B, 62 (2000) 13687 |
Abstract
The emergence of CsCl bulk structure in (CsCl)nCs+ cluster ions is investigated using a mixed quantum-mechanical/semiempirical theoretical approach. We find that rhombic dodecahedral fragments (with bulk CsCl symmetry) are more stable than rock-salt fragments after the completion of the fifth rhombic dodecahedral atomic shell. From this size (n=184) on, a new set of magic numbers should appear in the experimental mass spectra. We also propose another experimental test for this transition, which explicitely involves the electronic structure of the cluster. Finally, we perform more detailed calculations in the size range n=31--33, where recent experimental investigations have found indications of the presence of rhombic dodecahedral (CsCl)32Cs+ isomers in the cluster beams.
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"abstract": "The emergence of CsCl bulk structure in (CsCl)nCs+ cluster ions is\ninvestigated using a mixed quantum-mechanical/semiempirical theoretical\napproach. We find that rhombic dodecahedral fragments (with bulk CsCl symmetry)\nare more stable than rock-salt fragments after the completion of the fifth\nrhombic dodecahedral atomic shell. From this size (n=184) on, a new set of\nmagic numbers should appear in the experimental mass spectra. We also propose\nanother experimental test for this transition, which explicitely involves the\nelectronic structure of the cluster. Finally, we perform more detailed\ncalculations in the size range n=31--33, where recent experimental\ninvestigations have found indications of the presence of rhombic dodecahedral\n(CsCl)32Cs+ isomers in the cluster beams.",
"arxiv_id": "physics/0008235",
"authors": [
"Andres Aguado"
],
"categories": [
"physics.atm-clus"
],
"doi": "10.1103/PhysRevB.62.13687",
"journal_ref": "Phys. Rev. B, 62 (2000) 13687",
"title": "Emergence of Bulk CsCl Structure in (CsCl)nCs+ Cluster Ions",
"url": "https://arxiv.org/abs/physics/0008235"
},
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