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Tuning the Magnetic Properties of Nanoparticles
Department of Chemistry and Texas Center for Superconductivity, University of Houston, Houston, TX 77204-5003, USA
Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX 77204-5003, USA
Department of Electrical and Computer Engineering, University of Houston, Houston, TX 77004-4005, USA
* Authors to whom correspondence should be addressed.
Received: 13 May 2013; in revised form: 22 June 2013 / Accepted: 15 July 2013 / Published: 31 July 2013
Abstract: The tremendous interest in magnetic nanoparticles (MNPs) is reflected in published research that ranges from novel methods of synthesis of unique nanoparticle shapes and composite structures to a large number of MNP characterization techniques, and finally to their use in many biomedical and nanotechnology-based applications. The knowledge gained from this vast body of research can be made more useful if we organize the associated results to correlate key magnetic properties with the parameters that influence them. Tuning these properties of MNPs will allow us to tailor nanoparticles for specific applications, thus increasing their effectiveness. The complex magnetic behavior exhibited by MNPs is governed by many factors; these factors can either improve or adversely affect the desired magnetic properties. In this report, we have outlined a matrix of parameters that can be varied to tune the magnetic properties of nanoparticles. For practical utility, this review focuses on the effect of size, shape, composition, and shell-core structure on saturation magnetization, coercivity, blocking temperature, and relaxation time.
Keywords: modulating; magnetization; coercivity; relaxation; magnetic properties; size; shape; composition; shell-core; nanoparticle
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Kolhatkar, A.G.; Jamison, A.C.; Litvinov, D.; Willson, R.C.; Lee, T.R. Tuning the Magnetic Properties of Nanoparticles. Int. J. Mol. Sci. 2013, 14, 15977-16009.
Kolhatkar AG, Jamison AC, Litvinov D, Willson RC, Lee TR. Tuning the Magnetic Properties of Nanoparticles. International Journal of Molecular Sciences. 2013; 14(8):15977-16009.
Kolhatkar, Arati G.; Jamison, Andrew C.; Litvinov, Dmitri; Willson, Richard C.; Lee, T. R. 2013. "Tuning the Magnetic Properties of Nanoparticles." Int. J. Mol. Sci. 14, no. 8: 15977-16009.