Complex characterization of physiology solution based magnetic fluid

被引:0
|
作者
Timko, M [1 ]
Koneracká, M
Kopcansky, P
Tomori, Z
Vékas, L
Józefczak, A
Skumiel, A
Radenovic, A
Dietler, G
Bystrenová, E
Lita, M
机构
[1] Slovak Acad Sci, Inst Phys Expt, Kosice, Slovakia
[2] Romanian Acad, Ctr Fundamental & Adv Tech Res, Timisoara, Romania
[3] Adam Mickiewicz Univ, Inst Acoust, Poznan, Poland
[4] Univ Lausanne, IPMC, CH-1015 Lausanne, Switzerland
[5] Polytech Univ, Timisoara, Romania
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中图分类号
T [工业技术];
学科分类号
08 ;
摘要
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.
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页码:276 / 282
页数:7
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