Knut Urban

Knut W. Urban (born 25 June 1941 in Stuttgart) is a German physicist. He has been the Director of the Institute of Microstructure Research at Forschungszentrum Jülich from 1987 to 2010.

Knut Urban's research focuses on the field of aberration-corrected transmission electron microscopy (both regarding the further development of instruments and the control software), the examination of structural defects in oxides and the physical properties of complex metallic alloys. He also works on Josephson effects in high-temperature superconductors and the application of these effects in SQUID systems and magnetometers as well as on the application of Hilbert transform spectroscopy in examining the excitation of solids, liquids and gases on the gigahertz and terahertz scale.

Besides his activities at Forschungszentrum Jülich he was also professor for experimental physics at RWTH Aachen University before retirement.

Urban studied physics at the University of Stuttgart and was awarded a PhD in 1972 for his dissertation on the study of the damage caused by the electron beams in a high-voltage electron microscope at low temperatures. He subsequently conducted research at the Max Planck Institute of Metals Research in Stuttgart until 1986. Amongst other tasks, he was involved in the installation of a 1.2-MV high-voltage microscope laboratory as well as in studies on the anisotropy of atomic displacement energy in crystals and on radiation-induced diffusion. In 1986 he was appointed professor of general material properties by the Department of Materials Science and Engineering at the University of Erlangen-Nuremberg. In 1987 Urban was appointed to the chair of experimental physics at RWTH Aachen University and simultaneously became the director of the Institute of Microstructure Research at Forschungszentrum Jülich. From 1996 to 1997 he was a visiting professor at the Institute for Advanced Materials Processing of Tohoku University in Sendai (Japan). Kurt Urban was appointed one of two directors of the Ernst Ruska Centre for Microscopy and Spectroscopy with Electrons (ER-C) when it was founded in 2004 as a common competence platform of Forschungszentrum Jülich and RWTH Aachen University as well as a national centre for users of high-resolution transmission electron microscopes.

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