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Probing Nanomagnets' Interactions inside Colloidal Superparamagnetic Composites: Aerosol versus Surface Template Methods
Author(s) -
Tartaj Pedro
Publication year - 2003
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.200300866
Subject(s) - superparamagnetism , materials science , nanomagnet , colloid , composite material , nanotechnology , colloidal crystal , pyrolysis , chemical engineering , magnetization , magnetic field , physics , quantum mechanics , engineering
An alternative surface template method is reported for the preparation of colloidal superparamagnetic composites (see TEM micrographs) that could be useful for biomedical applications. The magnetic behavior of colloidal superparamagnetic composites prepared by the surface template method is compared with that of colloidal superparamagnetic composites prepared by aerosol pyrolysis. The author is able to find evidences of an interacting superparamagnetic regime at low packing fractions in the composites prepared by the template method.