Novel physicochemical characterization of magnetic fluids.

Beitrag in einer Fachzeitschrift
(Originalarbeit)


Details zur Publikation

Autorinnen und Autoren: Thommes M
Zeitschrift: Journal of Magnetism and Magnetic Materials
Verlag: Elsevier Science B.V.
Jahr der Veröffentlichung: 2003
Band: 256
Heftnummer: 1-3
Seitenbereich: 252-261-261
ISSN: 0304-8853


Abstract

Magnetic fluids are widely used in tech. and biomedical applications. Depending on the application, different properties of the magnetic fluids are of interest. To choose magnetic fluids for a specific application, a comprehensive characterization is needed. In this work various aq. magnetic fluids were systematically studied with regard to their physicochem. properties. Besides magnetic properties the chem. compn., zeta potential, core and particle size of the samples were detd. Among techniques like magnetization curve measurements or photon correlation spectroscopy novel methods like acoustic and electroacoustic spectroscopy were used, which allow size and zeta potential measurements esp. in highly concd. dispersions. Comparisons of the results obtained by the different methods show good agreements. Also, the magnetic relaxation was studied, which is of significance for a novel biomedical application. The complex requirements of magnetic fluids for this application are considered in more detail. [on SciFinder(R)]


FAU-Autorinnen und Autoren / FAU-Herausgeberinnen und Herausgeber

Thommes, Matthias Prof. Dr.
Lehrstuhl für Thermische Verfahrenstechnik

Zuletzt aktualisiert 2019-28-02 um 20:53