Gertjan Koster is a Professor at the University of Twente in the Netherlands. He is also a visiting professor at the Joseph Stephan Institute in Slovenia. His current research focu...ver maisGertjan Koster is a Professor at the University of Twente in the Netherlands. He is also a visiting professor at the Joseph Stephan Institute in Slovenia. His current research focuses on the growth and study of artificial materials, the physics of reduced scale (nanoscale) materials, metal–insulator transitions, and in situ spectroscopic characterization.ver menos