Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7990321 | Journal of Alloys and Compounds | 2018 | 26 Pages |
Abstract
Cobalt ferrite particles with homogeneous microstructure have been prepared encased in MCM-41 (Mobil Composition Matter) and SBA-15 (Santa Barbara Amorphous) silica mesoporous structures. In addition, it was possible to obtain ferrite nanowires once the silica matrix was dissolved. The variety of samples prepared has allowed to deeply analyze the matrix effect in the magnetic behavior of these particles that behave as superparamagnetic at room temperature. It was found at 5â¯K, a drastic magnetic hardening of the encased ferrite particles due to the employment of such matrices, while no matrix effect was observed at 250â¯K.
Keywords
Related Topics
Physical Sciences and Engineering
Materials Science
Metals and Alloys
Authors
M. Virumbrales, V. Blanco-Gutiérrez, A. Delgado-Cabello, R. Sáez-Puche, M.J. Torralvo,