Strain-driven composition gradients in nanocrystalline sige
Journal
Applied Physics Letters
Date Issued
June 24, 2003
Author(s)
DOI
10.1063/1.1586780
Abstract
Strain-driven composition gradients in nanocrystalline SiGe was investigated theoretically. The effect was influenced by the inherent density difference between the crystalline and amorphous components of the material and associated stress fields. It was found that a quantum dot (QD) effect due to composition would be strong for small nanocrystals.