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Título

Identifying transition metal contribution to the rare-earth L2-edge XMCD spectra in R-T intermetallics

AutorLaguna-Marco, M. A.; Chaboy, Jesús; Piquer, Cristina
Palabras claveMagnetic circular dichroism
Transition metal alloys
Rare earth alloys
Fecha de publicaciónfeb-2007
EditorAmerican Institute of Physics
CitaciónAip Conference Proceedings 882(1): 484-486 (2007)
ResumenWe report on a transition metal contribution to the rare-earth L2-edge XMCD spectrum of intermetallic rare-earth - transition metal compounds (R-T). The shape and location of this contribution is independent on both the specific rare-earth and the specific 3d metal in the compound. The evolution of the signal with the 3d content indicates that the signal is proportional to the number of T neighboring atoms around the absorbing R atom. In addition, comparison between Fe and Co Laves compounds indicates that the signal also resembles the magnetic moment of the T metal. Comparison with other R:T series shows that the presence of a T contribution is not a particularity of Laves phases but a general result.
Descripción3 pages, 3 figures.-- X-Ray Absorption Fine Structure-XAFS13: 13th International Conference.-- et al.
Versión del editorhttp://dx.doi.org/10.1063/1.2644566
URIhttp://hdl.handle.net/10261/19305
DOI10.1063/1.2644566
ISSN0094-243X
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