Frank Steglich (born 14 March 1941) is a German physicist.
He studied physics in the University of Münster and the University of Göttingen. He received the Gottfried Wilhelm Leibniz Prize by the Deutsche Forschungsgemeinschaft in 1986 and a number of other recognitions. He is the founding director of the Max Planck Institute for Chemical Physics of Solids in Dresden, Germany and has also been Vice President of the Deutsche Forschungsgemeinschaft (German Research Foundation).
Frank Steglich discovered the first heavy fermion superconductor, CeCu2Si2, while working as a research associate in Cologne, Germany in 1979. CeCu2Si2 is the first metallic system to be discovered in which the superconductivity is driven by electron-electron interactions, rather than the electron-phonon interaction that is responsible for conventional BCS superconductivity. The discovery of this material revolutionized research into superconductivity, establishing the reality of electronically mediated superconductivity and foreshadowing the discovery of a wide range of heavy electron superconductors, and the subsequent discovery of electronically mediated pairing in cuprates high temperature superconductors. The first published report of the phenomenon occurred in 1979, by which time Steglich had taken up a faculty position at the University of Darmstadt, and confirmed the existence of bulk superconductivity through the measurement of the specific heat anomaly at the transition temperature of Tc=0.5K.
He won the Hewlett-Packard Europhysics Prize and the Gay-Lussac-Humboldt Prize in 1989, the American Physical Society International Prize for New Materials in 1990, the IUPAP Magnetism Award in 2000, the Stern-Gerlach Medal in 2004 and the Bernd T. Matthias Prize for Superconducting Materials in 2006. He is member of several Academies of Sciences and fellow of the American Physical Society. He received honorary doctorates from the universities of Augsburg, Cologne and Frankfurt/Main as well Krakow (Poland). Since 2012 he is distinguished visiting professor at the Institute of Physics, Chinese Academy of Sciences (Beijing) and at Zhejiang University, Hangzhou (China). At the latter school he became founding director of the Center for Correlated Matter (CCM) in 2012.
- F. Steglich (2005). "Twenty-five years of heavy-fermion superconductivity". Physica B: Condensed Matter. 359-361: 326–332. Bibcode:2005PhyB..359..326S. doi:10.1016/j.physb.2005.01.054.
- F. Steglich; J. Aarts; C. D. Bredl; W. Lieke; D. Meschede; W. Franz; H. Schäfer (1979). "Superconductivity in the Presence of Strong Pauli Paramagnetism: CeCu2Si2". Physical Review Letters. 43 (25): 1892. Bibcode:1979PhRvL..43.1892S. doi:10.1103/PhysRevLett.43.1892.
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