Interface roughness in strained Si/SiGe multilayers

A. A. Darhuber, V. Holy, J. Stangl, G. Bauer, J. Nuetzel, G. Abstreiter

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations

Abstract

Diffuse x-ray reflection from a SiGe/Si multilayer grown pseudomorphically on slightly miscut Si(001) substrates has been studied theoretically and experimentally. In the framework of the Distorted-Wave Born Approximation (DWBA), we demonstrated that the distribution of the diffusely scattered intensity gives conclusive information on both the amount and the in-plane and inter-plane correlation properties of the interface roughness. The best model for the description of the interface-morphology was found to be a combination of a two-level model and a staircase model.

Original languageEnglish
Pages (from-to)153-158
Number of pages6
JournalMaterials Research Society Symposium - Proceedings
Volume448
StatePublished - 1997
Externally publishedYes
EventProceedings of the 1996 MRS Fall Meeting - Boston, MA, USA
Duration: 2 Dec 19966 Dec 1996

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