Self-Organized Growth of Nanoparticles on a Surface Patterned by a Buried Dislocation Network

Details Self-Organized Growth of Nanoparticles on a Surface Patterned by a Buried Dislocation Network Self-Organized Growth of Nanoparticles on a Surface Patterned by a Buried Dislocation Network

2007-07-22

arxiv.org/abs/0707.3274v1

Phys. Rev. Lett. 95, 185501 (2005)

Physics

Condensed Matter

Materials Science

15 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.95.185501

The self-organized growth of Co nanoparticles with 10 nm periodicity was achieved at room temperature on a Ag(001) surface patterned by an underlying dislocation network, as shown by real time, in situ Grazing Incidence Small and Wide Angle X-ray Scattering. The misfit dislocation network, buried at the interface between a 5nm-thick Ag thin film and a MgO(001) substrate, induces a periodic strain field on top of the surface. Nucleation and growth of Co on tensile areas are found as the most favorable sites as highlighted by Molecular Dynamic simulations.

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