The support at the initial work phase of the European Centre for
Emerging Materials and Processes Dresden (ECEMP) funded by the
European Union (ERDF) and the Free State of Saxony (SAB Project
number: 100117154) is gratefully acknowledged. The authors
would like also to express their gratitude towards the Deutsche
Forschungsgemeinschaft (DFG) which funds the Collaborative
Research Centre SFB 639 (subproject E1) at the Technische Universitt
¨ Dresden.