MICROSTRUCTURAL AND MAGNETIC PROPERTIES OF MAGNETIC FLUID BASED ON MAGNETITE COATED WITH TARTARIC ACID M.Rãcuciu

M.Racuciu , D.E.Creanga , A.Airinei , V. Badescu , N. Apetroaie 2 1 “Lucian Blaga” University, Faculty of Science, 5-7 Dr. I.Ratiu Str., Sibiu, 550024, Romania 2 “Al. I. Cuza” University, Faculty of Physics, 11A Blvd.Copou, 700506, Iasi, Romania 3 “P. Poni” Institute of Macromolecular Chemistry, Iasi, Romania 4 National Institute of Research and Development for Technical Physics, 47 Blvd. D. Mangeron, Iasi, Romania