<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The properties of magnetic fluids depend on the nanoparticle diameter, their concentration and the carrier liquid. The structural changes in magnetic fluids with different nanoparticle diameter based on transformer oils TECHNOL and MOGUL under the effect of a magnetic field and temperature were studied by acoustic spectroscopy. At a linear and jump changes of the magnetic field at various temperatures a continuous change was observed of acoustic attenuation caused by aggregation of the magnetic nanoparticles to structures. From the anisotropy of acoustic attenuation and using the Taketomi theory the basic parameters of the structures are calculated and the impact of nanoparticle diameters on the size of structures is confirmed.</p></abstract>

The properties of magnetic fluids depend on the nanoparticle diameter, their concentration and the carrier liquid. The structural changes in magnetic fluids with different nanoparticle diameter based on transformer oils TECHNOL and MOGUL under the effect of a magnetic field and temperature were studied by acoustic spectroscopy. At a linear and jump changes of the magnetic field at various temperatures a continuous change was observed of acoustic attenuation caused by aggregation of the magnetic nanoparticles to structures. From the anisotropy of acoustic attenuation and using the Taketomi theory the basic parameters of the structures are calculated and the impact of nanoparticle diameters on the size of structures is confirmed.

Influence Of Nanoparticles Diameter On Structural Properties Of Magnetic Fluid In Magnetic Field

Department of Physics, University of Žilina, Univerzitná 1, 010 26 Žilina

Department of Magnetism, IEP SAS, Watsonova 47, 040 01 Košice

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The properties of magnetic fluids depend on the nanoparticle diameter, their concentration and the carrier liquid. The structural changes in magnetic fluids...

Influence Of Nanoparticles Diameter On Structural Properties Of Magnetic Fluid In Magnetic Field

Published Online: Sep 19, 2015

Page range: 231 - 234

Received: Jul 14, 2015

DOI: https://doi.org/10.2478/jee-2015-0037

Keywords
magnetic nanoparticles, transformer oil, acoustic attenuation

© Faculty of Electrical Engineering and Information Technology, Slovak University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Influence Of Nanoparticles Diameter On Structural Properties Of Magnetic Fluid In Magnetic Field

Published Online: Sep 19, 2015

Page range: 231 - 234

Received: Jul 14, 2015

DOI: https://doi.org/10.2478/jee-2015-0037

Keywordsmagnetic nanoparticles, transformer oil, acoustic attenuation

© Faculty of Electrical Engineering and Information Technology, Slovak University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
magnetic nanoparticles, transformer oil, acoustic attenuation