Ordered Two-Dimensional Arrays of Ferrite Nanoparticles

Uniform 2D arrays of organically passivated magnetite (Fe3O4) and cobalt ferrite (CoFe2O4) have been prepared by the Langmuir–Blodgett technique. Preliminary studies of the magnetization curves show small changes in the shape of the curves depending on the number of deposited layers. Control over the formation of the colloidal solutions and of the 2D arrays, combined with the possibility to tune the physical properties of these arrays, may lead to new information storage media as well as novel magnetoresistive materials.

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