Magnetic field induced assembling of nanoparticles in ferrofluidic liquid thin films based on NixFe1-xFe2O4

被引：10
|
作者：
Abraham, VS
Nair, SS
Rajesh, S
Sajeev, US
Anantharaman, MR [1 ]
机构：
[1] Univ Amsterdam, Biophys & Microscopy Grp, Amsterdam, Netherlands
[2] Cochin Univ Sci & Technol, Dept Phys, Cochin 682022, Kerala, India
[3] Cochin Univ Sci & Technol, Int Sch Photon, Cochin 682022, Kerala, India
来源：
BULLETIN OF MATERIALS SCIENCE | 2004年 / 27卷 / 02期
关键词：
ferrofluids; nickel ferrite; field induced assembling; ultra fine particles;
D O I：
10.1007/BF02708498
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ultra fine precursors for ferrofluid synthesis, belonging to the series, NixFe1-xFe2O4 (where 'x' varies from '0' to '0.6' in steps of 0.1), were synthesized. Ferrofluids based on these fine particles were prepared with oleic acid as surfactant and kerosene as carrier. Ferrofluidic thin films were made on glass substrates and magnetic field induced laser transmission was studied. The pattern exhibited by the films under the influence of a magnetic field was observed with the help of a CCD camera. The analysis of results confirms the chain formation of particles in the presence of an applied magnetic field and their saturation at higher applied fields.
引用
收藏
页码：155 / 161
页数：7
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