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Título:
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Correlation between local structure and magnetic behavior in co-sputtered Tb_xFe_(73)Ga_(27-x) (7 ? x ?11) thin films
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Autores:
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Muñoz Noval, Álvaro ;
Salas Colera, E. ;
Bartolomé Izquierdo, Pablo ;
Serrano, A. ;
Castro, G. R. ;
Ranchal Sánchez, Rocío
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Tipo de documento:
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texto impreso
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Editorial:
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Elsevier Science SA, 2017-12-05
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Dimensiones:
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application/pdf
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Nota general:
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cc_by_nc_nd
info:eu-repo/semantics/openAccess
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Idiomas:
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Palabras clave:
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Estado = Publicado
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Materia = Ciencias: Física: Física de materiales
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Materia = Ciencias: Física: Física del estado sólido
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Tipo = Artículo
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Resumen:
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We report on the evolution of the microstructure of Tb-Fe-Ga films deposited by co-sputtering from Tb_(33)Fe_(67) and Fe_(72)Ga_(28) targets. The sputtering power was fixed (90 W) in the Fe_(72)Ga_(28) whereas it was increased from 50 to 90 W in the Tb_(33)Fe_(67) target resulting on Tb_xFe_(73)Ga_(27-x) layers with 7 ? x ? 11. The local structure was determined by means of x-ray absorption fine structure spectroscopy at Fe-K, Ga-K and Tb-L_(3) edges. The increase of Tb in the alloy promotes the phase segregation that produces a larger amount of the TbFe_2 structural phase. The structural results have been correlated with the magnetic characterization that shows the enhancement of the out-of-plane component of the magnetization.
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En línea:
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https://eprints.ucm.es/45659/1/Ranchal07postprint%2BCC%2BEMB_05_dic_2019.pdf
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