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research article
Effect of adsorbed H atoms on magnetism in monoatomic Fe wires at Ir(100)
2010
By means of ab initio calculations based on density-functional theory we demonstrate that magnetism in monoatomic Fe wires deposited on nanostructured Ir(100) surface can be tuned by their functionalization with hydrogen. The pristine monoatomic Fe wires deposited on nanostructured Ir(100) surface partially covered by H atoms are antiferromagnetic. However, the type of exchange interaction between Fe atoms can be changed by increasing H coverage. At fully hydrogenated Ir surface the Fe wires themselves are decorated with hydrogen, which gives rise to the ferromagnetic coupling between adjacent Fe atoms.
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Type
research article
Web of Science ID
WOS:000275053300123
Authors
Publication date
2010
Published in
Volume
81
Article Number
085425
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
December 16, 2011