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Title

Controlled 3D-coating of the pores of highly ordered mesoporous antiferromagnetic Co3O4 replicas with ferrimagnetic FexCo3-xO4 nanolayers

AuthorsPellicer, Eva; López-Ortega, Alberto; Estrader, Marta ; Estradé, S.; Peiró, F.; Golosovsky, I. V.; Suriñach, S.; Baró, M. D.; Sort, J.; Nogués, Josep
Issue Date2013
PublisherRoyal Society of Chemistry
CitationNanoscale 5(12): 5561-5567 (2013)
AbstractThe controlled filling of the pores of highly ordered mesoporous antiferromagnetic Co3O4 replicas with ferrimagnetic FexCo3-xO4 nanolayers is presented as a proof-of-concept toward the integration of nanosized units in highly ordered, heterostructured 3D architectures. Antiferromagnetic (AFM) Co3O 4 mesostructures are obtained as negative replicas of KIT-6 silica templates, which are subsequently coated with ferrimagnetic (FiM) Fe xCo3-xO4 nanolayers. The tuneable magnetic properties, with a large exchange bias and coercivity, arising from the FiM/AFM interface coupling, confirm the microstructure of this novel two-phase core-shell mesoporous material. The present work demonstrates that ordered functional mesoporous 3D-materials can be successfully infiltrated with other compounds exhibiting additional functionalities yielding highly tuneable, versatile, non-siliceous based nanocomposites. © 2013 The Royal Society of Chemistry.
Descriptionet al.
Publisher version (URL)http://dx.doi.org/10.1039/C3NR00989K
URIhttp://hdl.handle.net/10261/99221
DOI10.1039/C3NR00989K
Identifiersdoi: 10.1039/C3NR00989K
issn: 2040-3364
e-issn: 2040-3372
Appears in Collections:(CIN2) Artículos
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