期刊
SURFACE SCIENCE
卷 600, 期 18, 页码 4301-4304出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.susc.2006.01.157
关键词
ab initio calculations; nanowires; magnetic anisotropy
We report on ab initio calculations of Pt(111) B-type step-edges decorated with Co chains of different thickness. As found experimentally, these Co n-wires show for n = 1 (monowire) a large magnetic anisotropy that decreases for larger n in a non-monotonous way. Also the easy axis shows a oscillatory behavior with increasing n that can be traced back to competing effects arising from different strands of the thicker wires. (c) 2006 Elsevier B.V. All rights reserved.
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