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Adsorption characteristics of ErN@Con W(110) and Au(111) studied via scanning tunneling microscopy and spectroscopy.
Beilstein J Nanotechnol
May 2017
Leibniz-Institute for Solid State and Materials Research, IFW-Dresden, Helmholtzstrasse 20, 01069 Dresden, Germany.
We performed a study on the fundamental adsorption characteristics of ErN@C deposited on W(110) and Au(111) via room temperature scanning tunneling microscopy and spectroscopy. Adsorbed on W(110), a comparatively strong bond to the endohedral fullerenes inhibited the formation of ordered monolayer islands. In contrast, the Au(111)-surface provides a sufficiently high mobility for the molecules to arrange in monolayer islands after annealing.
View Article and Find Full Text PDFOxygen on an Fe monolayer on W(110): From chemisorption to oxidation.
Surf Sci
November 2013
Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, ul. Niezapominajek 8, 30-239 Kraków, Poland ; Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland.
The adsorption of oxygen on a pseudomorphic iron monolayer deposited on a W(110) surface was studied experimentally and theoretically. Standard surface characterization methods, such as Auger electron spectroscopy and low energy electron diffraction, and specific nuclear methods, such as conversion electron Mössbauer spectroscopy (CEMS) and nuclear resonant scattering of synchrotron radiation, combined with theoretical calculations based on the density functional theory allowed us to determine the structure of the oxygen adsorbate and the electronic properties of iron atoms with different oxygen coordinations. The oxygen-(3 × 2) structure on the iron monolayer was recognized and was interpreted to be a state with oxygen chemisorbed on the non-reconstructed surface with modest electron transfer from iron to oxygen.
View Article and Find Full Text PDFSelf-organization in Pd/W(110): interplay between surface structure and stress.
J Phys Condens Matter
September 2013
Abdus Salam International Centre for Theoretical Physics, Strada Costiera 11, Trieste I-34151, Italy. IOM-CNR Democritos, Trieste, I-34151, Italy.
It has recently been shown that submonolayer Pd on W(110) forms highly ordered linear mesoscopic stripes at high temperatures. The stripes display an internal Pd superstructure with a nano-scale periodicity along the direction perpendicular to the periodicity of the stripes. The same type of superstructure is also observed in a wide range of temperatures below the stripe formation temperature.
View Article and Find Full Text PDFFirst-principles study of the H-induced reconstruction of W(110).
Phys Rev B Condens Matter
May 1996
Electronic contributions to the hydrogen-induced reconstruction of W(110).
Phys Rev B Condens Matter
May 1988
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