Strain distributions in lattice-mismatched semiconductor core-shell nanowires

Details Strain distributions in lattice-mismatched semiconductor core-shell nanowires Strain distributions in lattice-mismatched semiconductor core-shell nanowires

2010-05-30

arxiv.org/abs/1005.5524v1

J. Vac. Sci. Technol. B 27(2) 827 (2009)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 3 figures

Scientific paper

10.1116/1.3054200

The authors study the elastic deformation field in lattice-mismatched core-shell nanowires with single and multiple shells. The authors consider infinite wires with a hexagonal cross section under the assumption of translational symmetry. The strain distributions are found by minimizing the elastic energy per unit cell using the finite element method. The authors find that the trace of the strain is discontinuous with a simple, almost piecewise variation between core and shell, whereas the individual components of the strain can exhibit complex variations.

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