Abstract

Structure and magnetomechanical response of magnetic polymersomes (MPSs)—nanocapsules whose membranes are loaded with single-domain ferromagnet particles—are studied by means of computer simulation in the framework of coarse-grained molecular dynamics. In the model, the MPS membrane consists of two nested shells, inner and outer, and the magnetic nanoparticles confined therebetween. It is shown that the strength of intershell coupling (connectivity) strongly affects the field-induced spatial redistribution of nanoparticles in the MPS membrane. As a result, both the field-induced elongation of the capsule and the volume “loss” that accompanies it turn out to be dependent on the connectivity parameter.

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