a
Technical University Berlin, Department of Chemistry, Department of Material Science, Strasse des 17ten Juni 124, 10623 Berlin, Germany
E-mail: xenia.tuaev@tu-berlin.de
;
Fax: +49 30 314 22261
;
Tel: +49 30 27883
b
Federal Institute for Materials Research and Testing (BAM) Division 6.4, Unter den Eichen 44-46, 12203 Berlin, Germany