In this paper we report the preparation of ordered hexagonal 2D arrays of core/shell Cohcp/CoO nanocrystals. A full structural investigation has been carried out using high-resolution transmission electron microscopy, electron diffraction, and electron energy-loss spectroscopy.
Source : 2D self-organization of core/shell COhcp/Co nanocrystals. I. Lisiecki, M. Walls, D. Parker and M.P. Pileni, Langmuir, 2008, 24, 4295-4299.