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IJEMS Vol.11(4) [August 2004] >


Title: Complex characterization of physiology solution based magnetic fluid
Authors: Timko, M
Koneracká, M
Kopčanský, P
Tomori, Z
Vékas, L
Józefczak, A
Skumiel, A
Radenovic, A
Dietler, G
Bystrenová, E
Lita, M
Issue Date: Aug-2004
Publisher: CSIR
IPC CodeInt. Cl.7 H01F 1/44
Abstract: Atomic force microscopy (AFM), transmission electron microscopy (TEM) and magnetization measurements by vibrating sample magnetometer (VSM) were used for estimation and comparison of size of magnetite particles in physiology solution based magnetic fluid (MF). The mean particle diameter values were 7.6 nm, 9.3 nm and 10.6 obtained by AFM, VSM and TEM, respectively. For the analysis of AFM pictures the more precise method was developed where the particle size was calculated as the geometrical mean of sizes in all three dimensions. The structural stability of prepared MF was affirmed by the ultrasonic measurements.
Page(s): 276-282
ISSN: 0975-1017 (Online); 0971-4588 (Print)
Source:IJEMS Vol.11(4) [August 2004]

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