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Origin of the R(15 × 3) surface reconstruction of carburized W(110) - revisited

Title data

Kim, Jihyun ; Shin, Eun-Ha ; Seo, J. ; Kim, H. ; Rojas, Geoffrey ; Chen, X. ; Enders, Axel ; Kim, Hanchul ; Kim, J.-S.:
Origin of the R(15 × 3) surface reconstruction of carburized W(110) - revisited.
In: Surface Science. Vol. 682 (2019) . - pp. 33-37.
ISSN 0039-6028
DOI: https://doi.org/10.1016/j.susc.2018.10.023

Abstract in another language

The identification of the surface atomic structure having a large unit cell remains a major challenge, while this surface structure is the starting point for templated growth on it. The atomic structure of the carbon-induced R(15 × 3)-W(110) is investigated by scanning tunneling microscopy (STM) operated around 80 K in near-contact mode, combined with the first-principles calculations. It is shown that the R(15 × 3) reconstruction results from the moiré pattern, which a W-C bilayer of α-W2C(0001) forms with the W(110) substrate, confirming an earlier prediction by Bauer et al. Besides the moiré pattern, the present structure contains the surface lattice deformation, the main ingredient of the other model, and provides a comprehensive picture, well reconciling the two previous models.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Lehrstuhl Experimentalphysik XI - Funktionelle Nanostrukturen
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Lehrstuhl Experimentalphysik XI - Funktionelle Nanostrukturen > Lehrstuhl Experimentalphysik XI - Funktionelle Nanostrukturen - Univ.-Prof. Dr. Axel Enders
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Result of work at the UBT: No
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 11 Oct 2019 07:04
Last Modified: 29 Oct 2019 09:54
URI: https://eref.uni-bayreuth.de/id/eprint/52716