Imaging the displacement field within epitaxial nanostructures by coherent diffraction: A feasibility study

Ana Diaz, Virginie Chamard, Cristian Mocuta, Rogerio Magalhães-Paniago, Julian Stangl, Dina Carbone, Till H. Metzger, Günther Bauer

Research output: Contribution to journalArticlepeer-review

Abstract

We investigate the feasibility of applying coherent diffraction imaging to highly strained epitaxial nanocrystals using finite-element simulations of SiGe islands as input in standard phase retrieval algorithms. We discuss the specific problems arising from both epitaxial and highly strained systems and we propose different methods to overcome these difficulties. Finally, we describe a coherent microdiffraction experimental setup using extremely focused x-ray beams to perform experiments on individual nanostructures.

Original languageEnglish
Article number035006
JournalNew Journal of Physics
Volume12
DOIs
Publication statusPublished - 2010 Mar 31
Externally publishedYes

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