Paris-Saclay University


My research is on the electronic structure of quantum materials, in particular on their ultrafast dynamics and non-equilibrium properties.


  • Topological Insulators
  • Dirac and Weyl materials
  • Strongly correlated systems
  • Superconductors

Experimental Methods

  • Ultrafast lasers
  • Photoelectron spectroscopy (ARPES)

Light Matter Interaction

Quantum and Electronic Materials

Ultrafast Spectroscopy

Out-of-equilibrium dynamics on the fs time scale

Micro – ARPES

Laser based, time-resolved ARPES with micron lateral resolution

FEL and synchrotron activities

Experiments at various large scale facilities worldwide (SOLEIL, ELETTRA, ESRF, LCLS…)

Marsi, M. (2022, 10/06). Interplay between correlations and topology in BaNiS2 [Conférence]. Réunion plénière du GDR MEETICC, Ax-les-Thermes, France.
Marsi, M. (2021). Ultrafast dynamics in 2D Dirac materials [Conférence]. International Conference on Diffusion in Solids and Liquids (DSL-2021), Malte.
Marsi, M. (2018, 29/06). Out-of-equilibrium quantum dynamics in Mott-Hubbard compounds [Conférence]. International Conference on Low Energy Electrodynamics in Solids (LEES 2018), Portonovo, Italie.
Omoumi, A., Natile, M., Papalazarou, E., Zaouter, Y., Auguste, T., Hanna, M., Georges, P., & Marsi, M. (2023). Pulsewidth-switchable ultrafast source at 114 nm. Optics Letters, 48(17), 4625.
Nilforoushan, N., Casula, M., Amaricci, A., Caputo, M., Caillaux, J., Khalil, L., Papalazarou, E., Simon, P., Perfetti, L., Vobornik, I., Das, P. K., Fujii, J., Barinov, A., Santos-Cottin, D., Klein, Y., Fabrizio, M., Gauzzi, A., & Marsi, M. (2021). Moving Dirac nodes by chemical substitution. Proceedings of the National Academy of Sciences, 118(33), e2108617118.
Marsi, M. (2018). Ultrafast Electron Dynamics in Topological Materials. Physica Status Solidi (RRL) - Rapid Research Letters, 12(11), 1800228.
Chen, Z., Giorgetti, C., Sjakste, J., Cabouat, R., Véniard, V., Zhang, Z., Taleb-Ibrahimi, A., Papalazarou, E., Marsi, M., Shukla, A., Peretti, J., & Perfetti, L. (2018). Ultrafast electron dynamics reveal the high potential of InSe for hot-carrier optoelectronics. Physical Review B, 97(24), 241201.
Chen, Z., Dong, J., Papalazarou, E., Marsi, M., Giorgetti, C., Zhang, Z., Tian, B., Rueff, J.-P., Taleb-Ibrahimi, A., & Perfetti, L. (2019). Band Gap Renormalization, Carrier Multiplication, and Stark Broadening in Photoexcited Black Phosphorus. Nano Letters, 19(1), 488–493.
Caputo, M., Khalil, L., Papalazarou, E., Nilforoushan, N., Perfetti, L., Taleb-Ibrahimi, A., Gibson, Q. D., Cava, R. J., & Marsi, M. (2018). Dynamics of out-of-equilibrium electron and hole pockets in the type-II Weyl semimetal candidate WTe 2. Physical Review B, 97(11), 115115.
Balédent, V., Cerqueira, T. T. F., Sarmiento-Pérez, R., Shukla, A., Bellin, C., Marsi, M., Itié, J.-P., Gatti, M., Marques, M. A. L., Botti, S., & Rueff, J.-P. (2018). High-pressure phases of VO 2 from the combination of Raman scattering and ab initio structural search. Physical Review B, 97(2), 024107.
Dong, J., Shin, D., Pastor, E., Ritschel, T., Cario, L., Chen, Z., Qi, W., Grasset, R., Marsi, M., Taleb-Ibrahimi, A., Park, N., Rubio, A., Perfetti, L., & Papalazarou, E. (2023). Electronic dispersion, correlations and stacking in the photoexcited state of 1T-TaS 2. 2D Materials, 10(4), 045001.
Zhang, J., Sohier, T. D. P., Casula, M., Chen, Z., Caillaux, J., Papalazarou, E., Perfetti, L., Petaccia, L., Bendounan, A., Taleb-Ibrahimi, A., Santos-Cottin, D., Klein, Y., Gauzzi, A., & Marsi, M. (2023). Manipulating Dirac States in BaNiS 2 by Surface Charge Doping. Nano Letters, acs.nanolett.2c04701.
Bresteau, D., Spezzani, C., Tcherbakoff, O., Hergott, J.-F., Lepetit, F., D’Oliveira, P., Salières, P., Géneaux, R., Luttmann, M., Vadillo-Torre, I., Lenfant, J., Weber, S. J., Dehlinger, M., Meltchakov, E., Delmotte, F., Bourassin-Bouchet, C., Im, J., Chen, Z., Caillaux, J., … Ruchon, T. (2023). FAB10: a user-oriented bandwidth-tunable extreme ultraviolet lightsource for investigations of femtosecond to attosecond dynamics in gas and condensed phases. The European Physical Journal Special Topics.
Zhang, J., Chen, Z., Caillaux, J., Klein, Y., Gauzzi, A., Bendounan, A., Taleb-Ibrahimi, A., Perfetti, L., Papalazarou, E., & Marsi, M. (2022). Dichroism in the ultrafast ARPES response and valence band orbital nature of $$\textrm{BaNiS}_2$$. The European Physical Journal Special Topics.
Lin, W., Liang, M., Niu, Y., Chen, Z., Cherasse, M., Meng, J., Zou, X., Zhao, Q., Geng, H., Papalazarou, E., Marsi, M., Perfetti, L., Canton, S. E., Zheng, K., & Pullerits, T. (2022). Combining two-photon photoemission and transient absorption spectroscopy to resolve hot carrier cooling in 2D perovskite single crystals: the effect of surface layer. Journal of Materials Chemistry C, 10(44), 16751–16760.
Zhang, J., Chen, Z., Papalazarou, E., Marsi, M., Omoumi, A., & Caillaux, J. (2022). Spin and orbital texture of quantum materials from dichroism in the ultrafast photoemission yield. In V. Yakovlev & S. Haacke (Eds.), Advances in Ultrafast Condensed Phase Physics III (p. 17). SPIE.
Cherasse, M., Dong, J., Trippé-Allard, G., Deleporte, E., Garrot, D., Maehrlein, S. F., Wolf, M., Chen, Z., Papalazarou, E., Marsi, M., Rueff, J.-P., Taleb-Ibrahimi, A., & Perfetti, L. (2022). Electron Dynamics in Hybrid Perovskites Reveal the Role of Organic Cations on the Screening of Local Charges. Nano Letters, 22(5), 2065–2069.
Chen, Z., Dong, J., Giorgetti, C., Papalazarou, E., Marsi, M., Zhang, Z., Tian, B., Ma, Q., Cheng, Y., Rueff, J.-P., Taleb-Ibrahimi, A., & Perfetti, L. (2020). Spectroscopy of buried states in black phosphorus with surface doping. 2D Materials, 7(3), 035027.
Chen, Z., Caillaux, J., Zhang, J., Papalazarou, E., Dong, J., Rueff, J.-P., Taleb-Ibrahimi, A., Perfetti, L., & Marsi, M. (2021). Ultrafast dynamics with time-resolved ARPES: photoexcited electrons in monochalcogenide semiconductors. Comptes Rendus. Physique, 22(S2), 103–110.
Perfetti, L., Faure, J., Papalazarou, E., Mauchain, J., Marsi, M., Goerbig, M. O., Taleb-Ibrahimi, A., & Ohtsubo, Y. (2015). New aspects of electronic excitations at the bismuth surface: Topology, thermalization and coupling to coherent phonons. Journal of Electron Spectroscopy and Related Phenomena, 201, 60–65.
Nilforoushan, N., Casula, M., Caputo, M., Papalazarou, E., Caillaux, J., Chen, Z., Perfetti, L., Amaricci, A., Santos-Cottin, D., Klein, Y., Gauzzi, A., & Marsi, M. (2020). Photoinduced renormalization and electronic screening of quasi-two-dimensional Dirac states in BaNiS 2. Physical Review Research, 2(4), 043397.
Hajlaoui, M., Papalazarou, E., Mauchain, J., Perfetti, L., Taleb-Ibrahimi, A., Navarin, F., Monteverde, M., Auban-Senzier, P., Pasquier, C. R., Moisan, N., Boschetto, D., Neupane, M., Hasan, M. Z., Durakiewicz, T., Jiang, Z., Xu, Y., Miotkowski, I., Chen, Y. P., Jia, S., … Marsi, M. (2014). Tuning a Schottky barrier in a photoexcited topological insulator with transient Dirac cone electron-hole asymmetry. Nature Communications, 5(1), 3003.
Chen, Z., Sjakste, J., Dong, J., Taleb-Ibrahimi, A., Rueff, J.-P., Shukla, A., Peretti, J., Papalazarou, E., Marsi, M., & Perfetti, L. (2020). Ultrafast dynamics of hot carriers in a quasi–two-dimensional electron gas on InSe. Proceedings of the National Academy of Sciences, 117(36), 21962–21967.
Lantz, G., Mansart, B., Grieger, D., Boschetto, D., Nilforoushan, N., Papalazarou, E., Moisan, N., Perfetti, L., Jacques, V. L. R., Le Bolloc’h, D., Laulhé, C., Ravy, S., Rueff, J.-P., Glover, T. E., Hertlein, M. P., Hussain, Z., Song, S., Chollet, M., Fabrizio, M., & Marsi, M. (2017). Ultrafast evolution and transient phases of a prototype out-of-equilibrium Mott–Hubbard material. Nature Communications, 8, 13917.
Tisserond, É., Nilforoushan, N., Caputo, M., Alemany, P., Canadell, E., Khalil, L., Vobornik, I., Fujii, J., Das, P. K., Mézière, C., Batail, P., Pouget, J.-P., Pasquier, C., Marsi, M., & Monteverde, M. (2019). Electronic structure of the α-(BEDT-TTF)2I3 surface by photoelectron spectroscopy. The European Physical Journal B, 92(4), 70.
Lo Vecchio, I., Baldassarre, L., Di Pietro, P., Giorgianni, F., Marsi, M., Perucchi, A., Schade, U., Lanzara, A., & Lupi, S. (2017). Orbital dependent coherence temperature and optical anisotropy of V 2 O 3 quasiparticles. Journal of Physics: Condensed Matter, 29(34), 345602.
Mauchain, J., Ohtsubo, Y., Hajlaoui, M., Papalazarou, E., Marsi, M., Taleb-Ibrahimi, A., Faure, J., Kokh, K. A., Tereshchenko, O. E., Eremeev, S. V., Chulkov, E. V., & Perfetti, L. (2013). Circular Dichroism and Superdiffusive Transport at the Surface of BiTeI. Physical Review Letters, 111(12), 126603.
Faure, J., Mauchain, J., Papalazarou, E., Marsi, M., Boschetto, D., Timrov, I., Vast, N., Ohtsubo, Y., Arnaud, B., & Perfetti, L. (2013). Direct observation of electron thermalization and electron-phonon coupling in photoexcited bismuth. Physical Review B, 88(7), 075120.
Khalil, L., Papalazarou, E., Caputo, M., Nilforoushan, N., Perfetti, L., Taleb-Ibrahimi, A., Kandyba, V., Barinov, A., Gibson, Q. D., Cava, R. J., & Marsi, M. (2017). Electronic band structure for occupied and unoccupied states of the natural topological superlattice phase Sb 2 Te. Physical Review B, 95(8), 085118.
Zhang, Z., Piovera, C., Papalazarou, E., Marsi, M., d’Astuto, M., van der Beek, C. J., Taleb-Ibrahimi, A., & Perfetti, L. (2017). Photoinduced filling of near-nodal gap in Bi 2 Sr 2 CaCu 2 O 8 + δ. Physical Review B, 96(6), 064510.
Lo Vecchio, I., Baldassarre, L., D’Apuzzo, F., Limaj, O., Nicoletti, D., Perucchi, A., Fan, L., Metcalf, P., Marsi, M., & Lupi, S. (2015). Optical properties of V 2 O 3 in its whole phase diagram. Physical Review B, 91(15), 155133.
Bencivenga, F., Principi, E., Giangrisostomi, E., Cucini, R., Battistoni, A., D’Amico, F., Di Cicco, A., Di Fonzo, S., Filipponi, A., Gessini, A., Gunnella, R., Marsi, M., Properzi, L., Saito, M., & Masciovecchio, C. (2014). Reflectivity enhancement in titanium by ultrafast XUV irradiation. Scientific Reports, 4, 4952.
Chen, Z., Lee, M., Zhang, Z., Diab, H., Garrot, D., Lédée, F., Fertey, P., Papalazarou, E., Marsi, M., Ponseca, C., Deleporte, E., Tejeda, A., & Perfetti, L. (2017). Time-resolved photoemission spectroscopy of electronic cooling and localization in CH 3 NH 3 PbI 3 crystals. Physical Review Materials, 1(4), 045402.
Piovera, C., Brouet, V., Papalazarou, E., Caputo, M., Marsi, M., Taleb-Ibrahimi, A., Kim, B. J., & Perfetti, L. (2016). Time-resolved photoemission of Sr 2 IrO 4. Physical Review B, 93(24), 241114.
Brouet, V., Mauchain, J., Papalazarou, E., Faure, J., Marsi, M., Lin, P., Taleb-Ibrahimi, A., Le Fèvre, P., Bertran, F., Cario, L., Janod, E., Corraze, B., Ta Phuoc, V., & Perfetti, L. (2013). Ultrafast filling of an electronic pseudogap in an incommensurate crystal. Physical Review B, 87(4), 041106.
Papalazarou, E., Faure, J., Mauchain, J., Marsi, M., Taleb-Ibrahimi, A., Reshetnyak, I., Van Roekeghem, A., Timrov, I., Vast, N., Arnaud, B., & Perfetti, L. (2012). Coherent phonon coupling to individual Bloch states in photoexcited bismuth. Phys. Rev. Lett., 108, 256808.
D’Amico, F., Saito, M., Bencivenga, F., Marsi, M., Gessini, A., Camisasca, G., Principi, E., Cucini, R., Di Fonzo, S., Battistoni, A., Giangrisostomi, E., & Masciovecchio, C. (2013). UV resonant Raman scattering facility at Elettra. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 703, 33–37.
Rodolakis, F., Mansart, B., Papalazarou, E., Gorovikov, S., Vilmercati, P., Petaccia, L., Goldoni, A., Rueff, J.-P., Lupi, S., Metcalf, P., & Marsi, M. (2009). In a correlated metal, quasiparticles are not superficial at all. ELETTRA Highlights 2009, 58–59.
Rodolakis, F., Mansart, B., Papalazarou, E., Gorovikov, S., Vilmercati, P., Petaccia, L., Goldoni, A., Rueff, J.-P., Lupi, S., Metcalf, P., & Marsi, M. (2009). Quasiparticles at the Mott Transition in V2O3: Wave Vector Dependence and Surface Attenuation. Phys. Rev. Lett., 102, 066805.
Mansart, B., Brouet, V., Papalazarou, E., Fuglsang, J., Petaccia, L., Gorovikov, S., Grum-Grzhimailo, A. N., Rullier-Albenque, F., Forget, A., & Marsi, M. (2011). Orbital character of hole-like Fermi surface in superconducting Ba(Fe1-xCox)2As2. Phys. Rev. B: Condens. Matter, 83, 064516.
Mansart, B., Papalazarou, E., Fuglsang, J., M., Brouet, V., Petaccia, L., de’Medici, L., Sangiovanni, G., Rullier-Albenque, F., Forget, A., Colson, D., & Marsi, M. (2012). Opening of the superconducting gap in the hole pockets of Ba(Fe1-xCox)(2)As-2 as seen via angle-resolved photoelectron spectroscopy. Phys. Rev. B: Condens. Matter, 85, 144508.
Ohtsubo, Y., Mauchain, J., Faure, J., Papalazarou, E., Marsi, M., Le Fevre, P., Bertran, F., Taleb-Ibrahimi, A., & Perfetti, L. (2012). Giant Anisotropy of Spin-Orbit Splitting at the Bismuth Surface. Phys. Rev. Lett., 109, 226404.
Brouet, V., Marsi, M., Mansart, B., Nicolaou, A., Taleb-Ibrahimi, A., Lefèvre, P., Bertran, F., Rullier-Albenque, F., Forget, A., & Colson, D. (2009). Nesting between hole and electron pockets in Ba(Fe1?xCox)2As2 (x=0–0.3) observed with angle-resolved photoemission. Phys. Rev. B: Condens. Matter, 80, 165115.
Hajlaoui, M., Papalazarou, E., Mauchain, J., Jiang, Z., Miotkowski, I., Chen, Y. P., Taleb-Ibrahimi, A., Perfetti, L., & Marsi, M. (2013). Time resolved ultrafast ARPES for the study of topological insulators: The case of Bi2Te3. The European Physical Journal Special Topics, 222(5), 1271–1275.
Santos-Cottin, D., Casula, M., Lantz, G., Klein, Y., Petaccia, L., Le Fèvre, P., Bertran, F., Papalazarou, E., Marsi, M., & Gauzzi, A. (2016). Rashba coupling amplification by a staggered crystal field. Nature Communications, 7, 11258.
Caputo, M., Panighel, M., Lisi, S., Khalil, L., Santo, G. D., Papalazarou, E., Hruban, A., Konczykowski, M., Krusin-Elbaum, L., Aliev, Z. S., Babanly, M. B., Otrokov, M. M., Politano, A., Chulkov, E. V., Arnau, A., Marinova, V., Das, P. K., Fujii, J., Vobornik, I., … Marsi, M. (2016). Manipulating the Topological Interface by Molecular Adsorbates: Adsorption of Co-Phthalocyanine on Bi 2 Se 3. Nano Letters, 16(6), 3409–3414.
Marsi, M. (2017, January 11). Ultrafast study of out-of-equilibrium Dirac fermions in topological matter. International Workshop on Multifunctional Dirac Materials, Orsay, France.
Marsi, M. (2017, January 10). Ultrafast study of out-of-equilibrium quantum materials. International School MCTDH: “Quantum dynamics with Multi-Configuration Time-Dependent Hartree methods,” Orsay, France.
Marsi, M. (2017, January 10). Ultrafast response of an archetype out-of-equilibrium Mott material. Intnl Conference on Cutting Edge Topics in Quantum Materials (ParisEdge 2017), Paris, France.


Full Professor

Université Paris-Saclay

2005 – Present Orsay, France – Laboratoire de Physique des Solides in Orsay.

Ultrafast dynamics in quantum materials.          

Research Scientist

Elettra Sincrotrone Trieste

1995 – 2005 Trieste, Italy

Spectromicroscopy, Free Electron Laser


Ecole Polytechnique Fédérale Lausanne

1992-1995 Lausanne, Switzerland