Detail publikačního výsledku

Stabilizing Single Ni Adatoms on a Two-Dimensional Porous Titania Overlayer at the SrTiO3(110) Surface

WANG, Z.; HAO, X.; GERHOLD, S.; MAREŠ, P.; WAGNER, M.; BLIEM, R.; SCHULTE, K.; SCHMID, M.; FRANCHINI, C.; DIEBOLD, U.

Originální název

Stabilizing Single Ni Adatoms on a Two-Dimensional Porous Titania Overlayer at the SrTiO3(110) Surface

Anglický název

Stabilizing Single Ni Adatoms on a Two-Dimensional Porous Titania Overlayer at the SrTiO3(110) Surface

Druh

Článek WoS

Originální abstrakt

Nickel vapor-deposited on the SrTiO3(110) surface was studied using scanning tunneling microscopy, photoemission spectroscopy (PES), and density functional theory calculations. This surface forms a (4 x 1) reconstruction, composed of a 2-D titania structure with periodic six- and ten-membered nanopores. Anchored at these nanopores, Ni single adatoms are stabilized at room temperature. PES measurements show that the Ni adatoms create an in-gap state located at 1.9 eV below the conduction band minimum and induce an upward band bending. Both experimental and theoretical results suggest that Ni adatoms are positively charged. Our study produces well-dispersed singleadatom arrays on a well-characterized oxide support, providing a model system to investigate single-adatom catalytic and magnetic properties.

Anglický abstrakt

Nickel vapor-deposited on the SrTiO3(110) surface was studied using scanning tunneling microscopy, photoemission spectroscopy (PES), and density functional theory calculations. This surface forms a (4 x 1) reconstruction, composed of a 2-D titania structure with periodic six- and ten-membered nanopores. Anchored at these nanopores, Ni single adatoms are stabilized at room temperature. PES measurements show that the Ni adatoms create an in-gap state located at 1.9 eV below the conduction band minimum and induce an upward band bending. Both experimental and theoretical results suggest that Ni adatoms are positively charged. Our study produces well-dispersed singleadatom arrays on a well-characterized oxide support, providing a model system to investigate single-adatom catalytic and magnetic properties.

Klíčová slova

Oxide surfaces; Ni; Single atoms; STM

Klíčová slova v angličtině

Oxide surfaces; Ni; Single atoms; STM

Autoři

WANG, Z.; HAO, X.; GERHOLD, S.; MAREŠ, P.; WAGNER, M.; BLIEM, R.; SCHULTE, K.; SCHMID, M.; FRANCHINI, C.; DIEBOLD, U.

Rok RIV

2015

Vydáno

02.08.2014

Nakladatel

ACS Publications

ISSN

1932-7447

Periodikum

Journal of Physical Chemistry C

Svazek

118

Číslo

34

Stát

Spojené státy americké

Strany od

19904

Strany do

19909

Strany počet

6

URL

https://pubs.acs.org/doi/10.1021/jp506234r

Plný text v Digitální knihovně

http://hdl.handle.net/11012/201731

BibTex

@article{BUT109282,
  author="Zhiming {Wang} and Xianfeng {Hao} and Stefan {Gerhold} and Petr {Mareš} and Margareta {Wagner} and Roland {Bliem} and Karina {Schulte} and Michael {Schmid} and Cesare {Franchini} and Ulrike {Diebold}",
  title="Stabilizing Single Ni Adatoms on a Two-Dimensional Porous Titania Overlayer at the SrTiO3(110) Surface",
  journal="Journal of Physical Chemistry C",
  year="2014",
  volume="118",
  number="34",
  pages="19904--19909",
  doi="10.1021/jp506234r",
  issn="1932-7447",
  url="https://pubs.acs.org/doi/10.1021/jp506234r"
}

Dokumenty

jp506234r