Strain and correlation of self-organized Ge_(1-x)Mn_x nanocolumns embedded in Ge (001)

Details Strain and correlation of self-organized Ge_(1-x)Mn_x nanocolumns embedded in Ge (001) Strain and correlation of self-organized Ge_(1-x)Mn_x nanocolumns embedded in Ge (001)

2010-05-26

arxiv.org/abs/1006.5439v2

Phys. Rev. B82 (2010), 104101

Physics

Condensed Matter

Materials Science

9 pages, 7 figures

Scientific paper

10.1103/PhysRevB.82.104101

We report on the structural properties of Ge_(1-x)Mn_x layers grown by molecular beam epitaxy. In these layers, nanocolumns with a high Mn content are embedded in an almost-pure Ge matrix. We have used grazing-incidence X-ray scattering, atomic force and transmission electron microscopy to study the structural properties of the columns. We demonstrate how the elastic deformation of the matrix (as calculated using atomistic simulations) around the columns, as well as the average inter-column distance can account for the shape of the diffusion around Bragg peaks.

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