Average size Nanoparticles 8 Elastic properties 6 Elasticity 6 Magnetic fields 6 Microchannels 6 Nanocomposites 6 Needles 6 Relative orientation 6 Room temperature 6 Superparamagnetism 6 Young's Modulus 6 Blocking temperature 4 Cobalt 4 Coercive field 4 Curing 4 Ferromagnetic materials 4 Ferromagnetism 4 Iron oxides 4 Magnetization 4 Nanomagnetics 4 Oxide nanoparticles 4 Polydimethylsiloxane PDMS 4 Probe field 4 Remanence 4 SEM image 4 Silicones 4 Superparamagnetic behavior 4 Superparamagnetic nanoparticles 4 matrix 4