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Core-shell structur...
Core-shell structure in self-assembled lead/lead-oxide nanoclusters revealed by photoelectron spectroscopy
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- Zhang, Chaofan (author)
- Uppsala universitet,Molekyl- och kondenserade materiens fysik,UBjL
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- Andersson, Tomas (author)
- Uppsala universitet,Molekyl- och kondenserade materiens fysik
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- Svensson, Svante, 1947- (author)
- Uppsala universitet,Molekyl- och kondenserade materiens fysik,UBjL
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- Björneholm, Olle (author)
- Uppsala universitet,Molekyl- och kondenserade materiens fysik
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- Tchaplyguine, Maxim (author)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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(creator_code:org_t)
- American Institute of Physics (AIP), 2013
- 2013
- English.
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In: Physical Review B. Condensed Matter and Materials Physics. - : American Institute of Physics (AIP). - 1098-0121 .- 1550-235X. ; 87:3, s. 035402-
- Related links:
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Nanoclusters containing metallic lead and lead oxide have been produced by self-assembly out of a primary mixture of lead atoms and oxygen in a reactive sputtering-based cluster source. Comparison of the valence and core-level responses in the photoelectron spectra shows that clusters have a core-shell structure with a lead-oxide core coated by an outer shell of metallic lead. This core-shell order is opposite to that typical for most microscopic and macroscopic materials. We explain this by the peculiarities of the cluster production kinetics and by the system's energy minimization striving due to what lead oxide is placed in the core of the mixed cluster.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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