Research Scientific Facilities Stuttgart Center for Electron Microscopy (StEM) Staff Group Leaders Research Group Leaders Wilfried Sigle Senior Scientist +49 711 689-3525 +49 711 689-3522 w.sigle@... Vesna Srot Senior Scientist +49 711 689-3536 +49 711 689-3522 v.srot@... Y. Eren Suyolcu Scientist +49 711 689-3647 +49 711 689-3522 eren.suyolcu@...