Size Distribution of Cobalt Nanocrystals: A Key Parameter in Formation of Columns and Labyrinths in Mesoscopic Structures.

Germain, V; Pileni, M-P · Adv Mater · 2005

basic_science · Level V

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Abstract

Columnar or labyrinthine mesostructures of magnetic nanocrystals are obtained by applying a perpendicular magnetic field during evaporation of the nanocrystal solution. The effect of the polydispersity of the nanocrystals is investigated, and the size distribution of the nanocrystals appears to be a key factor in the formation of one particular structure.