Co-Fe nanodumbbells: synthesis, structure, and magnetic properties.

Liakakos, Nikos; Gatel, Christophe; Blon, Thomas; Altantzis, Thomas; Lentijo-Mozo, Sergio; Garcia-Marcelot, Cécile; Lacroix, Lise-Marie; Respaud, Marc; Bals, Sara; Van Tendeloo, Gustaaf; Soulantica, Katerina

Liakakos, Nikos; Gatel, Christophe; Blon, Thomas; Altantzis, Thomas; Lentijo-Mozo, Sergio; Garcia-Marcelot, Cécile; Lacroix, Lise-Marie; Respaud, Marc; Bals, Sara; Van Tendeloo, Gustaaf; Soulantica, Katerina.

Afiliación

Liakakos N; Université de Toulouse ; INSA, UPS, LPCNO, CNRS-UMR5215, 135 avenue de Rangueil, 31077 Toulouse, France.

Nano Lett ; 14(5): 2747-54, 2014 May 14.

Article en En | MEDLINE | ID: mdl-24742331

RESUMEN

We report the solution phase synthesis, the structural analysis, and the magnetic properties of hybrid nanostructures combining two magnetic metals. These nano-objects are characterized by a remarkable shape, combining Fe nanocubes on Co nanorods. The topological composition, the orientation relationship, and the growth steps have been studied by advanced electron microscopy techniques, such as HRTEM, electron tomography, and state-of-the-art 3-dimensional elemental mapping by EDX tomography. The soft iron nanocubes behave as easy nucleation centers that induce the magnetization reversal of the entire nanohybrid, leading to a drastic modification of the overall effective magnetic anisotropy.

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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Nano Lett Año: 2014 Tipo del documento: Article País de afiliación: Francia Pais de publicación: Estados Unidos

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