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Encapsulated Pd crystals on anatase supports: high precision determination of the titanate overlayer moiré structure

Abstract:

Palladium (Pd) crystal islands, with 100–200 nm wide (111) top facets, were grown in ultrahigh vacuum (UHV) on an anatase (001) film supported on a SrTiO3(001) substrate. Annealing the crystals at > 600 °C causes encapsulation by a TiOx monolayer due to the strong metal–support interaction (SMSI). Scanning tunneling microscopy (STM) reveals that the TiOx monolayer on the Pd(111) facets consists of two periodicities: one is a hexagonal (4 × 4)R1.5° structure, and the other is a larger-scale pe...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1016/j.susc.2021.121941

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Oxford college:
Linacre College
Role:
Author
ORCID:
0000-0002-4628-1456
Publisher:
Elsevier Publisher's website
Journal:
Surface Science Journal website
Volume:
715
Article number:
121941
Publication date:
2021-09-20
Acceptance date:
2021-09-08
DOI:
EISSN:
1879-2758
ISSN:
0039-6028
Language:
English
Keywords:
Pubs id:
1200120
Local pid:
pubs:1200120
Deposit date:
2021-11-09

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