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| Laurent Bers | |
|---|---|
| Name | Laurent Bers |
| Birth date | 1971 |
| Birth place | Lyon, France |
| Fields | Physics; Materials Science; Nanotechnology |
| Institutions | École Normale Supérieure; CNRS; Massachusetts Institute of Technology; University of Cambridge |
| Alma mater | Université Claude Bernard Lyon 1; École Polytechnique |
| Doctoral advisor | Pierre-Gilles de Gennes |
| Known for | Electron microscopy of two-dimensional materials; van der Waals heterostructures; scanning tunneling spectroscopy |
| Awards | Humboldt Research Award; CNRS Silver Medal; Royal Society Wolfson Research Merit Award |
Laurent Bers (born 1971) is a Franco–Swiss physicist and materials scientist noted for experimental and theoretical work on low-dimensional materials, electron microscopy, and nanoscale spectroscopy. He has held positions at the École Normale Supérieure, Centre National de la Recherche Scientifique, Massachusetts Institute of Technology, and the University of Cambridge, and has collaborated with researchers at the Max Planck Society, IBM Research, and Oak Ridge National Laboratory. His work influenced investigations of graphene, transition metal dichalcogenides, and van der Waals heterostructures.
Bers was born in Lyon and raised in a bilingual French–Swiss family with early exposure to the scientific communities of Université Claude Bernard Lyon 1 and the École Polytechnique. He completed undergraduate studies in physics at Université Claude Bernard Lyon 1 and obtained a doctorate under Pierre-Gilles de Gennes at the Collège de France-affiliated laboratory, with thesis work linking surface physics to electron microscopy techniques developed at the Commissariat à l'énergie atomique facilities. Postdoctoral training included fellowships at the Swiss Federal Institute of Technology in Zurich and a visiting scholar appointment at the Max Planck Institute for Solid State Research.
Bers began his independent career as a group leader at the Centre National de la Recherche Scientifique before accepting a tenure-track position at the École Normale Supérieure. He later served as a professor of physics at the Massachusetts Institute of Technology and subsequently moved to a chair in materials science at the University of Cambridge, where he directed a cross-disciplinary laboratory affiliated with the Cavendish Laboratory and the Department of Materials Science and Metallurgy. He has been a visiting professor at Harvard University, a guest researcher at IBM Research – Zurich, and an adjunct scientist at Oak Ridge National Laboratory.
Bers's research integrated high-resolution transmission electron microscopy, scanning tunneling microscopy, and angle-resolved photoemission spectroscopy to probe quasiparticle interactions in two-dimensional crystals such as graphene, molybdenum disulfide, and hexagonal boron nitride. He pioneered protocols for fabricating clean interfaces in van der Waals heterostructures that were adopted by teams at the National Institute of Standards and Technology and the Joint Quantum Institute. Bers published influential studies on moiré superlattices that informed theoretical models used by groups at the Perimeter Institute for Theoretical Physics and the Kavli Institute for Theoretical Physics. Collaborations with investigators at the Lawrence Berkeley National Laboratory and the SLAC National Accelerator Laboratory advanced understanding of exciton dynamics and charge transfer at atomically sharp interfaces.
He contributed to instrumentation development in partnership with FEI Company (now Thermo Fisher Scientific), improving aberration-corrected electron optics and cryogenic sample stages that enhanced imaging for research teams at the European Synchrotron Radiation Facility and the Diamond Light Source. Bers's interdisciplinary projects bridged academic laboratories, industry partners such as Nokia Bell Labs, and government agencies including the European Research Council and the National Science Foundation.
At the École Normale Supérieure, Massachusetts Institute of Technology, and University of Cambridge, Bers taught advanced courses in condensed matter physics, surface science, and nanoscale characterization. He supervised doctoral candidates who later joined faculties at the University of California, Berkeley, Imperial College London, and the University of Tokyo, and postdoctoral scholars who moved to research positions at Riken, Los Alamos National Laboratory, and Tsinghua University. Bers co-organized graduate training programs with the European Molecular Biology Laboratory and summer schools held jointly with the Harvard–MIT Center for Ultracold Atoms and the International Centre for Theoretical Physics.
Bers received the CNRS Silver Medal and an early career prize from the Société Française de Physique. He was awarded a Humboldt Research Award and a Royal Society Wolfson Research Merit Award, and was elected a fellow of the Institute of Physics and a member of the European Academy of Sciences. His laboratory received multi-institutional grants from the European Commission's Horizon 2020 program and from the U.S. Department of Energy.
Selected works include experimental demonstrations of band structure reconstruction in twisted bilayer graphene published in leading journals alongside reviews of spectroscopy in two-dimensional materials that have been cited widely by researchers at the California Institute of Technology, Columbia University, and ETH Zurich. Bers's instrumentation advances influenced facility upgrades at the Argonne National Laboratory and methodological standards adopted by the International Union of Crystallography. His students and collaborators have continued research lines at institutions such as Princeton University, Seoul National University, and the University of British Columbia, extending studies of correlated electron phenomena and optoelectronic applications.
Category:1971 births Category:French physicists Category:Materials scientists