Journal
JOURNAL OF PHYSICS-CONDENSED MATTER
Volume 30, Issue 6, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1361-648X/aaa344
Keywords
magnetic gels; ferrogels; polymers; hybrid materials
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Funding
- German Science Foundation (DFG) through the priority program SPP 1681 [HO 1108/23-2, SCH 1747/10-2]
- International Helmholtz Research School of Biophysics and Soft Matter (IHRS BioSoft)
- cluster of excellence EXC 310, SimTech
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In this review article, we provide an introduction to ferrogels, i.e. polymeric gels with embedded magnetic particles. Due to the interplay between magnetic and elastic properties of these materials, they are promising candidates for engineering and biomedical applications such as actuation and controlled drug release. Particular emphasis will be put on the polymer architecture of magnetic gels since it controls the degrees of freedom of the magnetic particles in the gel, and it is important for the particle-polymer coupling determining the mechanisms available for the gel deformation in magnetic fields. We report on the different polymer architectures that have been realized so far, and provide an overview of synthesis strategies and experimental techniques for the characterization of these materials. We further focus on theoretical and simulational studies carried out on magnetic gels, and highlight their contributions towards understanding the influence of the gels' polymer architecture.
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