Publikation: Extreme size dependence of the oxidation behavior of molybdenum clusters
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2018
Autor:innen
Park, Eun Ji
Link, Martin
Cha, Byeong Jun
Kim, Young Dok
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BOSE, Shyamalendu M., ed.. Advanced Materials: Proceedings of the International Workshop on Advanced Materials (IWAM-2017). New York: Melville, 2018, 020002. AIP Conference Proceedings. 2005. eISSN 0094-243X. ISBN 978-0-7354-1721-2. Available under: doi: 10.1063/1.5050719
Zusammenfassung
The oxidation of size-selected deposited Molybdenum clusters is investigated with X-ray photoelectron spectroscopy and scanning tunneling microscopy (STM). Small clusters with less than 200 atoms are highly reactive and rapidly oxidize even in high vacuum. In contrast, larger clusters with more than 500 atoms do not completely oxidize even when exposed to an oxygen atmosphere. This can be explained by a thin oxide layer, which protects the clusters from further oxidation. The morphology of the cluster films is examined by STM. Oxidation should result in a volume increase and a change in the structure of the cluster thin films. Unexpectedly, the STM images look similar for oxidized and non-oxidized clusters
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530 Physik
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International Workshop on Advanced Materials (IWAM-2017), 19. Dez. 2017 - 21. Dez. 2017, Berhampur, Odisha, India
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PARK, Eun Ji, Martin LINK, Dominik HIERLING, Andreas DOLLINGER, Byeong Jun CHA, Gerd GANTEFÖR, Young Dok KIM, 2018. Extreme size dependence of the oxidation behavior of molybdenum clusters. International Workshop on Advanced Materials (IWAM-2017). Berhampur, Odisha, India, 19. Dez. 2017 - 21. Dez. 2017. In: BOSE, Shyamalendu M., ed.. Advanced Materials: Proceedings of the International Workshop on Advanced Materials (IWAM-2017). New York: Melville, 2018, 020002. AIP Conference Proceedings. 2005. eISSN 0094-243X. ISBN 978-0-7354-1721-2. Available under: doi: 10.1063/1.5050719BibTex
@inproceedings{Park2018Extre-45301,
year={2018},
doi={10.1063/1.5050719},
title={Extreme size dependence of the oxidation behavior of molybdenum clusters},
number={2005},
isbn={978-0-7354-1721-2},
publisher={Melville},
address={New York},
series={AIP Conference Proceedings},
booktitle={Advanced Materials: Proceedings of the International Workshop on Advanced Materials (IWAM-2017)},
editor={Bose, Shyamalendu M.},
author={Park, Eun Ji and Link, Martin and Hierling, Dominik and Dollinger, Andreas and Cha, Byeong Jun and Ganteför, Gerd and Kim, Young Dok},
note={Article Number: 020002}
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<dcterms:abstract xml:lang="eng">The oxidation of size-selected deposited Molybdenum clusters is investigated with X-ray photoelectron spectroscopy and scanning tunneling microscopy (STM). Small clusters with less than 200 atoms are highly reactive and rapidly oxidize even in high vacuum. In contrast, larger clusters with more than 500 atoms do not completely oxidize even when exposed to an oxygen atmosphere. This can be explained by a thin oxide layer, which protects the clusters from further oxidation. The morphology of the cluster films is examined by STM. Oxidation should result in a volume increase and a change in the structure of the cluster thin films. Unexpectedly, the STM images look similar for oxidized and non-oxidized clusters</dcterms:abstract>
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