Abstract
The project aims to develop well-defined magneto-electric nanoparticles with a high magneto-electric coefficient and tunable magnetic behaviour and to apply their colloidally stable suspensions as inks for printing of novel flexible electronics. The envisioned particles consisting of magnetostrictive Co-Ni ferrite cores and ferroelectric titanate shells will be achieved as true core-shell heterostructures by a novel method via a titania-coated intermediate. The magnetization dynamics of their cores in AC fields will be adjusted by varying the magnetocrystalline anisotropy through the chemical composition, possibly by varying their size. Fundamental physical studies, accompanied by computational approach, will be focused on structure, magnetic behaviour and magneto-electric properties of native nanoparticles in form of densified 3D ensembles, inkjet-printed thin films, and individual particles. By using these particles, new types of magnetic field proximity sensors and energy harvesters will be printed and their performance will be tested by custom-built systems.