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@ARTICLE{Moors:904589,
author = {Moors, Marco and An, Yun and Kuc, Agnieszka and Monakhov,
Kirill Yu},
title = {{T}i{O} x /{P}t 3 {T}i(111) surface-directed formation of
electronically responsive supramolecular assemblies of
tungsten oxide clusters},
journal = {Beilstein journal of nanotechnology},
volume = {12},
issn = {2190-4286},
address = {Frankfurt, M.},
publisher = {Beilstein-Institut zur Förderung der Chemischen
Wissenschaften},
reportid = {FZJ-2021-06159},
pages = {203 - 212},
year = {2021},
abstract = {Highly ordered titanium oxide films grown on a Pt3Ti(111)
alloy surface were utilized for the controlled
immobilization and tip-induced electric field-triggered
electronic manipulation of nanoscopic W3O9 clusters.
Depending on the operating conditions, two different stable
oxide phases, z’-TiOx and w’-TiOx, were produced. These
phases show a strong effect on the adsorption
characteristics and reactivity of W3O9 clusters, which are
formed as a result of thermal evaporation of WO3 powder on
the complex TiOx/Pt3Ti(111) surfaces under ultra-high vacuum
conditions. The physisorbed tritungsten nano-oxides were
found as isolated single units located on the metallic
attraction points or as supramolecular self-assemblies with
a W3O9-capped hexagonal scaffold of W3O9 units. By applying
scanning tunneling microscopy to the W3O9–(W3O9)6
structures, individual units underwent a tip-induced
reduction to W3O8. At elevated temperatures, agglomeration
and growth of large WO3 islands, which thickness is strongly
limited to a maximum of two unit cells, were observed. The
findings boost progress toward template-directed nucleation,
growth, networking, and charge state manipulation of
functional molecular nanostructures on surfaces using
operando techniques.},
cin = {PGI-7 / JARA-FIT},
ddc = {620},
cid = {I:(DE-Juel1)PGI-7-20110106 / $I:(DE-82)080009_20140620$},
pnm = {5233 - Memristive Materials and Devices (POF4-523)},
pid = {G:(DE-HGF)POF4-5233},
typ = {PUB:(DE-HGF)16},
pubmed = {33728238},
UT = {WOS:000618878500001},
doi = {10.3762/bjnano.12.16},
url = {https://juser.fz-juelich.de/record/904589},
}