The structures and methods of preparation of the nanoparticles of the

Disclosed is a method for creating nanoscale formations. According to the method, a filler matrix (103) and nanoparticles (102) embedded in the filler matrix, and two conductive electrodes (101,104) are superimposed on an insulating material layer (100). According to the invention, a voltage is applied between the conductive electrodes. The filler matrix and the nanoparticles have substantially different electrical properties in order to induce self-organized localized contact creation (106) when said voltage is applied. Potential applications of the invention include e.g. parallel-plate capacitor structures based on metal-oxide nanoparticles, such as memory cells, and high-permittivity / tunable capacitors.