Majed Chergui

Majed Chergui (born 1956 in Casablanca) is a Swiss and French physicist specialized in ultrafast dynamics of light-induced processes. He is a professor at EPFL (École Polytechnique Fédérale de Lausanne), head of the Laboratory of Ultrafast Spectroscopy at EPFL's School of Basic Sciences, and founding director of the Lausanne Centre for Ultrafast Science (LACUS).[1][2]

Professor

Majed Chergui
Majed Chergui in 2020
Born1956 (age 64–65)
Casablanca, Morocco
Known forUltrafast X-ray spectroscopy
Ultrafast 2-dimensional and circular dichroism spectroscopy
AwardsACS Ahmed Zewail Award 2021
RSC Liversidge Award 2019
Khwarizmi International Award 2018
Edward Stern Prize for Lifetime Achievements 2015
Humboldt Research Award 2010
APS Earle L. Plyler Award 2015
A. von Humboldt Research Award 2010
KFAS Kuwait Prize for Physics 2009
Academic background
EducationPhysics
Mathematics
Alma materUniversity of London
Paris-Sud University, Orsay
Université Paris Nord
Doctoral advisorJacques Bauche
Other academic advisorsVenkataraman Chandrasekharan
Nikolaus Schwentner
Academic work
DisciplinePhysics
Sub-disciplineAtomic physics
Molecular physics
InstitutionsEPFL (École Polytechnique Fédérale de Lausanne)
Websitehttps://www.epfl.ch/labs/lsu/

Career

Chergui was born in Casablanca (Morocco), and grew up in Algeria and Lebanon. He studied physics and mathematics at the Chelsea College at University of London and received his Bachelor's degree in 1977. In 1978, he received a Master's degree in atomic and molecular physics from Paris-Sud University, Orsay. He then joined Jacques Bauche at the same university as a PhD student and graduated in 1981. In 1986, he received a Doctorat d'État (habilitation) under supervision of Venkataraman Chandrasekharan at the Université Sorbonne Paris Nord.[3] In 1987, he joined the group of Nikolaus Schwentner as a Alexander von Humboldt postdoctoral fellow at the Institute for Experimental Physics of the Free University of Berlin.[4][5] Three years later he became a senior research assistant at the same institute.[6] In 1993 he was appointed as full professor of experimental condensed matter physics at the University of Lausanne, shere he stayed until 2003.[7] [8]

In 2003, he was appointed as full professor of physics and chemistry at EPFL and head of the Laboratory of Ultrafast Spectroscopy at EPFL's School of Basic Sciences.[1][9]

In 1996, he was guest professor at National University of Quilmes in Buenos Aires, Argentina,[10] and from 1999 to 2000 research associate at the American University of Beirut. He was twice Alexander von Humboldt Guest Professor at the Max-Born-Institut and at the Helmholtz-Zentrum Berlin (2009-2010), and at the Fritz-Haber-Institut (2016-2017) in Berlin.

Research

Chergui's research interest are the description of the ultrafast dynamics of light-induced processes in molecules, solids and proteins, and in metallic and semiconductor nanostructured materials.[11][12][13] He uses ultrafast spectroscopy to achieve real time visualizations of light-induced nuclear, spin and electronic dynamics .[14] The latter include structural changes in diverse systems (molecules, proteins, solids), the influence of local electric fields on the spectral and dynamical features of molecular centers,[15][16] and the charge carriers dynamics in semiconductor, metallic nanostructures and solids.[17][18] To these aims, he develops and improves new tools in ultrafast (picosecond and femtosecond) transient absorption spectroscopy;[19][20] ultrafast fluorescence up-conversion spectroscopy;[21] photon-echo spectroscopy; and [22] 2-dimensional[23][24][25] and circular dichroism spectroscopy.[26] He pioneered the development of ultrafast X-ray spectroscopy using pulses from a synchrotron[27] or from a X-ray Free electron Laser (XFEL).[28]

Distinctions

Chergui is the recipient of the 2021 Ahmed Zewail Award in Ultrafast Science and Technology from the American Chemical Society,[29] the 2019 Liversidge Award of the Royal Society of Chemistry,[30] the 2018 Khwarizmi International Award,[31] the Edward Stern Prize for Lifetime Achievements 2015,[32] the 2015 Earle L. Plyler Award of the American Physical Society,[33] the 2010 Humboldt Research Award,[34] the 2009 Kuwait Prize for Physics,[35] the 2007 Rammal Medal by the Euroscience Foundation,[36] and the 2002 Miller Award.[8] He is also recipient of the 1986 Bronze Medal of the CNRS (France).

He is a fellow of the European Academy of Sciences (EurASc), a member of the Academy of Arab Scientists (2020), an Elettra Distinguished Scientist (2020) (Elettra Sincrotrone Trieste), and Foreign Correspondent of the Royal Spanish Academy of Sciences. He is also a fellow of The Optical Society of America, and fellow of the American Physical Society (APS), the American Crystallographic Association (ACA), the Royal Society of Chemistry (RSC), the European Physical Society (EPS).[8]

He is the founder of the journal Structural Dynamics, and was its Editor in Chief between 2014 and 2020.[5] Prior to that, he was editor in chief of the journal Chemical Physics between 2009 and 2014.[37]

Selected works
  • Cannizzo, A.; Milne, C.J.; Consani, C.; Gawelda, W.; Bressler, Ch.; Van Mourik, F.; Chergui, M. (2010). "Light-induced spin crossover in Fe(II)-based complexes: The full photocycle unraveled by ultrafast optical and X-ray spectroscopies" (PDF). Coordination Chemistry Reviews. 254 (21–22): 2677–2686. doi:10.1016/j.ccr.2009.12.007.
  • Auböck, Gerald; Chergui, Majed (2015). "Sub-50-fs photoinduced spin crossover in [Fe(bpy)3]2+". Nature Chemistry. 7 (8): 629–633. Bibcode:2015NatCh...7..629A. doi:10.1038/nchem.2305. PMID 26201738.
  • Bressler, Christian; Chergui, Majed (2010). "Molecular Structural Dynamics Probed by Ultrafast X-Ray Absorption Spectroscopy". Annual Review of Physical Chemistry. 61: 263–282. doi:10.1146/annurev.physchem.012809.103353. PMID 20055677.
  • El Nahhas, Amal; Consani, Cristina; Blanco-RodríGuez, Ana María; Lancaster, Kyle M.; Braem, Olivier; Cannizzo, Andrea; Towrie, Michael; Clark, Ian P.; ZáLiš, Stanislav; Chergui, Majed; VlčEk, Antonín (2011). "Ultrafast Excited-State Dynamics of Rhenium(I) Photosensitizers [Re(Cl)(CO)3(N,N)] and [Re(imidazole)(CO)3(N,N)]+: Diimine Effects" (PDF). Inorganic Chemistry. 50 (7): 2932–2943. doi:10.1021/ic102324p. PMID 21388162.
  • Milne, C.J.; Penfold, T.J.; Chergui, M. (2014). "Recent experimental and theoretical developments in time-resolved X-ray spectroscopies". Coordination Chemistry Reviews. 277–278: 44–68. doi:10.1016/j.ccr.2014.02.013.
  • Chergui, Majed (2015). "Ultrafast Photophysics of Transition Metal Complexes". Accounts of Chemical Research. 48 (3): 801–808. doi:10.1021/ar500358q. PMID 25646968.
  • Femtochemistry : ultrafast chemical and physical processes in molecular systems : Lausanne, Switzerland, September 4-8, 1995. Chergui, Majed., Femtochemistry: the Lausanne Conference (1995 : University of Lausanne). Singapore: World Scientific. 1996. ISBN 981-02-2514-8. OCLC 35320163.CS1 maint: others (link)

References
  1. "Laboratory of Ultrafast Spectroscopy LSU". www.epfl.ch. Retrieved 2020-12-16.
  2. "Groups involved in Lacus". www.epfl.ch. Retrieved 2021-01-08.
  3. Silvi, B.; Chandrasekharan, V.; Chergui, M.; Etters, R. D. (1986-02-15). "Frequency shifts of vibrational and rotational states of dilute H 2 , D 2 , and HD impurities in solid Ar under pressure". Physical Review B. 33 (4): 2749–2756. Bibcode:1986PhRvB..33.2749S. doi:10.1103/PhysRevB.33.2749. ISSN 0163-1829. PMID 9938615.
  4. Chergui, M.; Schwentner, N.; Chandrasekharan, V. (December 1987). "Vibrationally "hot" valence luminescence of NO in Ne matrices". Journal of Luminescence. 38 (1–6): 150–151. Bibcode:1987JLum...38..150C. doi:10.1016/0022-2313(87)90090-1.
  5. "Editorial Board". ACA – Structural Dynamics.
  6. Reaction dynamics in clusters and condensed phases : proceedings of the Twenty-Sixth Jerusalem Symposium on Quantum Chemistry and Biochemistry held in Jerusalem, Israel, May 17-20, 1993. Jortner, Joshua., Levine, Raphael D., Pullman, Bernard, 1919-. Dordrecht: Springer. 1994. ISBN 978-94-011-0786-0. OCLC 847669757.CS1 maint: others (link)
  7. Saes, Melanie; van Mourik, Frank; Gawelda, Wojciech; Kaiser, Maik; Chergui, Majed; Bressler, Christian; Grolimund, Daniel; Abela, Rafael; Glover, Thornton E.; Heimann, Philip A.; Schoenlein, Robert W. (January 2004). "A setup for ultrafast time-resolved x-ray absorption spectroscopy". Review of Scientific Instruments. 75 (1): 24–30. Bibcode:2004RScI...75...24S. doi:10.1063/1.1633003. ISSN 0034-6748.
  8. "CV - Chergui" (PDF).
  9. "Nanoparticules : modification de leur taille et leur forme" (in French). 2003-11-13. Cite journal requires |journal= (help)
  10. "MEMORIA 2003" (PDF). UNIVERSIDAD NACIONAL DE QUILMES.
  11. "Research". www.epfl.ch. Retrieved 2020-12-21.
  12. Mewes, Lars; Wang, Mao; Ingle, Rebecca A.; Börjesson, Karl; Chergui, Majed (December 2020). "Energy relaxation pathways between light-matter states revealed by coherent two-dimensional spectroscopy". Communications Physics. 3 (1): 157. Bibcode:2020CmPhy...3..157M. doi:10.1038/s42005-020-00424-z. ISSN 2399-3650. S2CID 221616927.
  13. Gatti, G.; Crepaldi, A.; Puppin, M.; Tancogne-Dejean, N.; Xian, L.; De Giovannini, U.; Roth, S.; Polishchuk, S.; Bugnon, Ph.; Magrez, A.; Berger, H. (2020-08-12). "Light-Induced Renormalization of the Dirac Quasiparticles in the Nodal-Line Semimetal ZrSiSe". Physical Review Letters. 125 (7): 076401. arXiv:1912.09673. Bibcode:2020PhRvL.125g6401G. doi:10.1103/PhysRevLett.125.076401. hdl:21.11116/0000-0006-DAC0-B. ISSN 0031-9007. PMID 32857568. S2CID 209439649.
  14. Szlachetko, Jakub; Sá, Jacinto; Nachtegaal, Maarten; Hartfelder, Urs; Dousse, Jean-Claude; Hoszowska, Joanna; Abreu Fernandes, Daniel Luis; Shi, Hongqing; Stampfl, Catherine (2014-01-02). "Real Time Determination of the Electronic Structure of Unstable Reaction Intermediates during Au 2 O 3 Reduction". The Journal of Physical Chemistry Letters. 5 (1): 80–84. doi:10.1021/jz402309s. ISSN 1948-7185. PMID 26276184.
  15. Wolf, T. J. A.; Myhre, R. H.; Cryan, J. P.; Coriani, S.; Squibb, R. J.; Battistoni, A.; Berrah, N.; Bostedt, C.; Bucksbaum, P.; Coslovich, G.; Feifel, R. (December 2017). "Probing ultrafast ππ*/nπ* internal conversion in organic chromophores via K-edge resonant absorption". Nature Communications. 8 (1): 29. arXiv:1610.08498. Bibcode:2017NatCo...8...29W. doi:10.1038/s41467-017-00069-7. ISSN 2041-1723. PMC 5481431. PMID 28642477.
  16. Leonard, J.; Portuondo-Campa, E.; Cannizzo, A.; Mourik, F. v.; van der Zwan, G.; Tittor, J.; Haacke, S.; Chergui, M. (2009-05-12). "Functional electric field changes in photoactivated proteins revealed by ultrafast Stark spectroscopy of the Trp residues". Proceedings of the National Academy of Sciences. 106 (19): 7718–7723. Bibcode:2009PNAS..106.7718L. doi:10.1073/pnas.0812877106. ISSN 0027-8424. PMC 2683101. PMID 19416877.
  17. Bonati, C.; Mohamed, M. B.; Tonti, D.; Zgrablic, G.; Haacke, S.; van Mourik, F.; Chergui, M. (2005-05-26). "Spectral and dynamical characterization of multiexcitons in colloidal CdSe semiconductor quantum dots". Physical Review B. 71 (20): 205317. Bibcode:2005PhRvB..71t5317B. doi:10.1103/PhysRevB.71.205317. ISSN 1098-0121.
  18. Baldini, Edoardo; Palmieri, Tania; Dominguez, Adriel; Ruello, Pascal; Rubio, Angel; Chergui, Majed (2018-08-08). "Phonon-Driven Selective Modulation of Exciton Oscillator Strengths in Anatase TiO 2 Nanoparticles". Nano Letters. 18 (8): 5007–5014. arXiv:1805.00552. Bibcode:2018NanoL..18.5007B. doi:10.1021/acs.nanolett.8b01837. ISSN 1530-6984. PMID 30040906. S2CID 51717967.
  19. Santomauro, Fabio G.; Grilj, Jakob; Mewes, Lars; Nedelcu, Georgian; Yakunin, Sergii; Rossi, Thomas; Capano, Gloria; Al Haddad, André; Budarz, James; Kinschel, Dominik; Ferreira, Dario S. (July 2017). "Localized holes and delocalized electrons in photoexcited inorganic perovskites: Watching each atomic actor by picosecond X-ray absorption spectroscopy". Structural Dynamics. 4 (4): 044002. doi:10.1063/1.4971999. ISSN 2329-7778. PMC 5178717. PMID 28083541.
  20. Bacellar, Camila; Kinschel, Dominik; Mancini, Giulia F.; Ingle, Rebecca A.; Rouxel, Jérémy; Cannelli, Oliviero; Cirelli, Claudio; Knopp, Gregor; Szlachetko, Jakub; Lima, Frederico A.; Menzi, Samuel (2020-09-08). "Spin cascade and doming in ferric hemes: Femtosecond X-ray absorption and X-ray emission studies". Proceedings of the National Academy of Sciences. 117 (36): 21914–21920. doi:10.1073/pnas.2009490117. ISSN 0027-8424. PMC 7486745. PMID 32848065.
  21. Bräm, Olivier; Cannizzo, Andrea; Chergui, Majed (2019-02-21). "Ultrafast Broadband Fluorescence Up-conversion Study of the Electronic Relaxation of Metalloporphyrins". The Journal of Physical Chemistry A. 123 (7): 1461–1468. Bibcode:2019JPCA..123.1461B. doi:10.1021/acs.jpca.9b00007. ISSN 1089-5639. PMID 30673249.
  22. Ajdarzadeh, Ahmad; Consani, Cristina; Bräm, Olivier; Tortschanoff, Andreas; Cannizzo, Andrea; Chergui, Majed (August 2013). "Ultraviolet transient absorption, transient grating and photon echo studies of aqueous tryptophan". Chemical Physics. 422: 47–52. Bibcode:2013CP....422...47A. doi:10.1016/j.chemphys.2013.01.036.
  23. Auböck, Gerald; Consani, Cristina; van Mourik, Frank; Chergui, Majed (2012-06-08). "Ultrabroadband femtosecond two-dimensional ultraviolet transient absorption". Optics Letters. 37 (12): 2337. doi:10.1364/ol.37.002337. ISSN 0146-9592.
  24. Consani, C.; Aubock, G.; van Mourik, F.; Chergui, M. (2013-02-07). "Ultrafast Tryptophan-to-Heme Electron Transfer in Myoglobins Revealed by UV 2D Spectroscopy". Science. 339 (6127): 1586–1589. doi:10.1126/science.1230758. ISSN 0036-8075.
  25. Haddad, A. Al; Chauvet, A.; Ojeda, J.; Arrell, C.; Mourik, F. van; Auböck, G.; Chergui, M. (2015-02-01). "Set-up for broadband Fourier-transform multidimensional electronic spectroscopy". Optics Letters. 40 (3): 312–315. doi:10.1364/OL.40.000312. ISSN 1539-4794.
  26. Oppermann, Malte; Bauer, Benjamin; Rossi, Thomas; Zinna, Francesco; Helbing, Jan; Lacour, Jérôme; Chergui, Majed (2019-01-10). "Ultrafast broadband circular dichroism in the deep ultraviolet". Optica. 6 (1): 56. doi:10.1364/optica.6.000056. ISSN 2334-2536.
  27. Chergui, Majed; Collet, Eric (2017-07-10). "Photoinduced Structural Dynamics of Molecular Systems Mapped by Time-Resolved X-ray Methods". Chemical Reviews. 117 (16): 11025–11065. doi:10.1021/acs.chemrev.6b00831. ISSN 0009-2665.
  28. Kinschel, Dominik; Bacellar, Camila; Cannelli, Oliviero; Sorokin, Boris; Katayama, Tetsuo; Mancini, Giulia F.; Rouxel, Jérémy R.; Obara, Yuki; Nishitani, Junichi; Ito, Hironori; Ito, Terumasa (2020-08-18). "Femtosecond X-ray emission study of the spin cross-over dynamics in haem proteins". Nature Communications. 11 (1). doi:10.1038/s41467-020-17923-w. ISSN 2041-1723.
  29. Linda Wang (2020-08-17). "ACS 2021 national award winners". C&EN Global Enterprise. 98 (31): 58–59. doi:10.1021/cen-09831-acsnews. ISSN 2474-7408.
  30. "Preise der Royal Society of Chemistry 2019". Angewandte Chemie. 131 (30): 10143–10144. 2019-07-22. doi:10.1002/ange.201906585. ISSN 0044-8249.
  31. "Khwarizmi International Award 31st Session - 2018 | Khwarizmi International Award (KIA)". 62.60.140.120. Retrieved 2020-12-16.
  32. Grunwaldt, J-D; Hagelstein, M; Rothe, J (May 2016). "The 16 th International Conference on X-ray Absorption Fine Structure (XAFS16)". Journal of Physics: Conference Series. 712 (1): 011001. Bibcode:2016JPhCS.712a1001G. doi:10.1088/1742-6596/712/1/011001. ISSN 1742-6588.
  33. "Earle K. Plyler Prize for Molecular Spectroscopy & Dynamics". aps.org. Retrieved 2021-01-08.
  34. "Prof. Dr. Majed Chergui". www.humboldt-foundation.de. Retrieved 2020-12-16.
  35. "The Dance of Molecules :: NCCR MUST". www.nccr-must.ch. Retrieved 2021-01-08.
  36. EuroScience (2009-01-25). "Rammal Award 2000-2008 laureates". EuroScience. Retrieved 2020-12-16.
  37. Chemical Physics.
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