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2017 | OriginalPaper | Chapter

3. Bimagnetic Core/Shell Nanoparticles: Current Status and Future Possibilities

Authors : Tiago M. Freire, Wesley S. Galvão, Rafael M. Freire, P. B. A. Fechine

Published in: Complex Magnetic Nanostructures

Publisher: Springer International Publishing

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Abstract

In this chapter, we present recent advances in interface properties, and synthetic approaches to and applications of bimagnetic core/shell nanoparticles (NPs). First, a brief overview of magnetic core/shell architectures is presented. Then we introduce the principles behind magnetic and structural properties. In this connection, interface phenomena such as the proximity effect, exchange coupling, and exchange bias are summarized. Furthermore, the effects of crystal morphology and phase composition on these exchange interactions are discussed. Chemical methods to synthesize bimagnetic core/shell NPs, including thermal decomposition, seed-mediated growth, coprecipitation, and hydro/solvothermal approaches, are presented. Once produced, surface properties of the core/shell architecture need to be modulated since each application has special requirements. Moreover, a section devoted to the surface functionalization of NPs is given. Finally, applications of bimagnetic core/shell NPs in hyperthermia, magnetic resonance imaging, permanent magnets, and magnetic recording data, among other areas, are discussed in more depth.

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Title: Bimagnetic Core/Shell Nanoparticles: Current Status and Future Possibilities
Authors: Tiago M. Freire
Wesley S. Galvão
Rafael M. Freire
P. B. A. Fechine
Publisher: Springer International Publishing
Book: Complex Magnetic Nanostructures
Print ISBN: 978-3-319-52086-5

Electronic ISBN: 978-3-319-52087-2

Copyright Year: 2017
DOI: https://doi.org/10.1007/978-3-319-52087-2_3

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