Atomic-scale imaging of asymmetric Lomer dislocation cores at the Ge/Si(001) heterointerface

J. N. Stirman; Peter Crozier; David Smith; F. Phillipp; G. Brill; S. Sivananthan

doi:10.1063/1.1697625

Atomic-scale imaging of asymmetric Lomer dislocation cores at the Ge/Si(001) heterointerface

J. N. Stirman, Peter Crozier, David Smith, F. Phillipp, G. Brill, S. Sivananthan

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23 Scopus citations

Abstract

The imaging of Lomer edge dislocations formed at Ge/Si(001) hetero-interfaces is discussed. They are imaged at 1.25-MeV atomic-resolution electron microscope. It is found that the dislocations were located close to the mean position of the interface and they were primarily asymmetrical. To validate the image interpretation, image simulations are used for the purpose.

Original language	English (US)
Pages (from-to)	2530-2532
Number of pages	3
Journal	Applied Physics Letters
Volume	84
Issue number	14
DOIs	https://doi.org/10.1063/1.1697625
State	Published - Apr 5 2004

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ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

Cite this

Stirman, J. N., Crozier, P., Smith, D., Phillipp, F., Brill, G., & Sivananthan, S. (2004). Atomic-scale imaging of asymmetric Lomer dislocation cores at the Ge/Si(001) heterointerface. Applied Physics Letters, 84(14), 2530-2532. https://doi.org/10.1063/1.1697625

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10.1063/1.1697625