PREPARATION OF HIGHLY ORDEREDGdFe2ALLOYS

M. Getzlaff (), R. Pascal, H. Tödter, M. Bode and R. Wiesendanger
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M. Getzlaff: Institute of Applied Physics and Microstructure Research Center, University of Hamburg, Jungiusstrasse 11, D-20355 Hamburg, Germany
R. Pascal: Institute of Applied Physics and Microstructure Research Center, University of Hamburg, Jungiusstrasse 11, D-20355 Hamburg, Germany
H. Tödter: Institute of Applied Physics and Microstructure Research Center, University of Hamburg, Jungiusstrasse 11, D-20355 Hamburg, Germany
M. Bode: Institute of Applied Physics and Microstructure Research Center, University of Hamburg, Jungiusstrasse 11, D-20355 Hamburg, Germany
R. Wiesendanger: Institute of Applied Physics and Microstructure Research Center, University of Hamburg, Jungiusstrasse 11, D-20355 Hamburg, Germany

Surface Review and Letters (SRL), 1999, vol. 06, issue 05, 741-745

Abstract: The monolayer of the highly orderedGdFe2alloy was prepared on top of a W(110) substrate and characterized by using scanning tunneling microscopy (STM) and low energy electron diffraction (LEED). The crystallographic arrangement of the ultrathin films does not coincide with the bulk structure (C15 Laves phase). This is due to the large misfit between the lattice constant of the Laves phase and the W(110) substrate. A structure model for the ultrathinGdFe2films on W(110) is proposed basing on atomically resolved STM images and LEED studies.

Keywords: 68.55.Jk; 71.70.Gm; 61.16.Ch (search for similar items in EconPapers)
Date: 1999
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DOI: 10.1142/S0218625X99000731

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