Published in
Elsevier, Surface Science, 3(498), p. L109-L112
DOI: 10.1016/s0039-6028(01)01806-4
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One-dimensional Gd-induced chain structures on Si() surfaces
Journal article published in 2002 by
A. Kirakosian,
J. L. McChesney 
,
R. Bennewitz,
J. N. Crain,
J.-L. Lin,
F. J. Himpsel
,
R. Bennewitz,
J. N. Crain,
J.-L. Lin,
F. J. Himpsel
This paper is available in a repository.
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Abstract
A one-dimensional 5×2 reconstruction of Gd is observed on Si(1 1 1), which can be stabilized in single domain form on vicinal surfaces. It contains zig-zag rows of occupied orbitals alternating with rows of unoccupied orbitals, as inferred from spectroscopic scanning tunneling microscopy. The large magnetic moment of the Gd 4f electrons creates atomic chains with a magnetic coupling.