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Atomic scale dynamics of ultrasmall germanium clusters
Starting from the gas phase, small clusters can be produced and deposited with huge flexibility with regard to composition, materials choice and cluster size. Despite many advances in experimental characterization, a detailed morphology of such clusters is still lacking. Here we present an atomic sc...
Autores principales: | , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Pub. Group
2012
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3621408/ https://www.ncbi.nlm.nih.gov/pubmed/22692540 http://dx.doi.org/10.1038/ncomms1887 |
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author | Bals, S. Van Aert, S. Romero, C.P. Lauwaet, K. Van Bael, M.J. Schoeters, B. Partoens, B. Yücelen, E. Lievens, P. Van Tendeloo, G. |
author_facet | Bals, S. Van Aert, S. Romero, C.P. Lauwaet, K. Van Bael, M.J. Schoeters, B. Partoens, B. Yücelen, E. Lievens, P. Van Tendeloo, G. |
author_sort | Bals, S. |
collection | PubMed |
description | Starting from the gas phase, small clusters can be produced and deposited with huge flexibility with regard to composition, materials choice and cluster size. Despite many advances in experimental characterization, a detailed morphology of such clusters is still lacking. Here we present an atomic scale observation as well as the dynamical behaviour of ultrasmall germanium clusters. Using quantitative scanning transmission electron microscopy in combination with ab initio calculations, we are able to characterize the transition between different equilibrium geometries of a germanium cluster consisting of less than 25 atoms. Seven-membered rings, trigonal prisms and some smaller subunits are identified as possible building blocks that stabilize the structure. |
format | Online Article Text |
id | pubmed-3621408 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2012 |
publisher | Nature Pub. Group |
record_format | MEDLINE/PubMed |
spelling | pubmed-36214082013-04-10 Atomic scale dynamics of ultrasmall germanium clusters Bals, S. Van Aert, S. Romero, C.P. Lauwaet, K. Van Bael, M.J. Schoeters, B. Partoens, B. Yücelen, E. Lievens, P. Van Tendeloo, G. Nat Commun Article Starting from the gas phase, small clusters can be produced and deposited with huge flexibility with regard to composition, materials choice and cluster size. Despite many advances in experimental characterization, a detailed morphology of such clusters is still lacking. Here we present an atomic scale observation as well as the dynamical behaviour of ultrasmall germanium clusters. Using quantitative scanning transmission electron microscopy in combination with ab initio calculations, we are able to characterize the transition between different equilibrium geometries of a germanium cluster consisting of less than 25 atoms. Seven-membered rings, trigonal prisms and some smaller subunits are identified as possible building blocks that stabilize the structure. Nature Pub. Group 2012-06-12 /pmc/articles/PMC3621408/ /pubmed/22692540 http://dx.doi.org/10.1038/ncomms1887 Text en Copyright © 2012, Nature Publishing Group, a division of Macmillan Publishers Limited. All Rights Reserved. http://creativecommons.org/licenses/by-nc-sa/3.0/ This work is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/ |
spellingShingle | Article Bals, S. Van Aert, S. Romero, C.P. Lauwaet, K. Van Bael, M.J. Schoeters, B. Partoens, B. Yücelen, E. Lievens, P. Van Tendeloo, G. Atomic scale dynamics of ultrasmall germanium clusters |
title | Atomic scale dynamics of ultrasmall germanium clusters |
title_full | Atomic scale dynamics of ultrasmall germanium clusters |
title_fullStr | Atomic scale dynamics of ultrasmall germanium clusters |
title_full_unstemmed | Atomic scale dynamics of ultrasmall germanium clusters |
title_short | Atomic scale dynamics of ultrasmall germanium clusters |
title_sort | atomic scale dynamics of ultrasmall germanium clusters |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3621408/ https://www.ncbi.nlm.nih.gov/pubmed/22692540 http://dx.doi.org/10.1038/ncomms1887 |
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