Small angle polarized neutrons (SANSPOL) investigation of surfactant free magnetic fluid of uncoated and silica-coated cobalt-ferrite nanoparticles
Article Abstract:
An attempt is made to synthesize and characterize the magnetic fluids formed from uncoated and silica-coated cobalt-ferrite nanoparticles dispersed in water by means o transmission electron microscopy and small neutron scattering of polarized neutrons (SANSPOL). Particle shape, size, size distribution of the cores and shell thickness are described for both uncoated and silica-coated cobalt-ferrite nanoparticles.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2004
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Mossbauer study and magnetic properties of M-type barium hexaferrite doped with Co+ Ti and Bi + Ti ions
Article Abstract:
The influence of complex dopants ([Co.sup.2+]+[Ti.sup.4+]) and ([Bi.sup.3+]+[Ti.sup.4+]) on the fine structure and magnetic properties of M-type barium hexaferrite prepared by hydroxide and carbonate precipitations is investigated. The distribution of cations over five nonequivalent positions of barium hexaferrite with magnetoplumbite structure is discussed.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2006
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