期刊
NANOSCALE
卷 5, 期 12, 页码 5561-5567出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3nr00989k
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资金
- Generalitat de Catalunya [2009-SGR-1292, CTP2009-00018, 2010 PIV 00096]
- Spanish Ministry of Economy and Competitiveness (MINECO) [MAT2010-20616-C02, MAT2011-27380-C02-01, MAT2011-16407, CSD2009-0013]
- European Union [FP7-PEOPLE-2009-IRSES-247518, 312483]
- ICREA
- [RFBR-13-02-00121]
- [MESRF-16.518.11.7034]
- ICREA Funding Source: Custom
The 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) Co3O4 mesostructures are obtained as negative replicas of KIT-6 silica templates, which are subsequently coated with ferrimagnetic (FiM) FexCo3-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.
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