Nanoparticle kinetic effects experimentally observed in a magnetic fluid under a quasi-homogeneous magnetic field |
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Authors: | J Štelina C Musil |
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Institution: | Department of Physics, University of ?ilina, Univerzitná 1, 010 26 ?ilina, Slovak Republic |
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Abstract: | The effect of a quasi-homogeneous external magnetic field on a created and decaying space nanoparticle structure and its distribution in a sample of a magnetic fluid was studied. This space structure was created as a grating by applying an interference field of two crossed Ar laser beams. The magnetic field was formed using two electromagnets and was applied in three main directions of the created nanoparticle grating. The magnetic field oriented parallel to the strips of the grating or perpendicular to the grating plain does not significantly change the shape of it. The magnetic field oriented in the perpendicular direction to the grating plain causes redistribution of the nanoparticles and as a consequence a perpendicular nanoparticle “quasi-grating” arises. |
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Keywords: | Magnetic fluid Nanoparticle Claster Structuralization Interferention Diffusion Thermodiffusion Soret coefficient |
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