Articles and Preprints

^† These authors contributed equally to this work

 Corresponding authors

Preprints

Observation of Anisotropic Dispersive Dark Exciton Dynamics in CrSBr

J. Sears, W. He, Y. Shen, M. Lajer, J. W. Villanova, T. Berlijn, F. Yakhou-Harris, N. B. Brookes, D. G. Chica, X. Roy, E. Baldini, V. Bisogni, S. Johnston, M. Mitrano, M. P. M. Dean

Nonresonant Raman Control of Material Phases

J. Shi^†, C. Heide^†, H. Xu^†, Y. Huang^†, Y. Shen^†, B. Guzelturk, M. Henstridge, C. F. Schön, A. Mangu, Y. Kobayashi, X. Peng, S. Zhang, A. F. May, P. D. Reddy, V. Shautsova, M. Taghinejad, D. Luo, E. Hughes, M. L. Brongersma, K. Mukherjee, M. Trigo, T. F. Heinz, J. Li, K. A. Nelson, E. Baldini, J. Zhou, S. Ghimire, M. Wuttig, D. A. Reis, A. M. Lindenberg

Distinct Moiré Trions in a Twisted Semiconductor Homobilayer

Z. Liu^†, H. Wang^†, X. Liu, Y. Ni, F. Y. Gao, S. Arash, D. S. Kim, X. Liu, Y. Zeng, J. Quan, D. Huang, K. Watanabe, T. Taniguchi, E. Baldini, A. H. MacDonald, C.-K. Shih, L. Yang, X. Li

Keldysh Tuning of Photoluminescence in a Lead Halide Perovskite Crystal

Z. Zhang^†, H. Ning^†, Z.-J. Liu^†, J. Hou, A. D. Mohite, E. Baldini, N. Gedik, K. A. Nelson

Probing Charge Order of Monolayer NbSe₂ within a Bulk Crystal

D. Azoury^†, E. Baldini^†, A. Devarakonda, J. Li, S. Fang, P. Williams, R. Comin, J. G. Checkelsky, N. Gedik

2025

Terahertz Stimulated Parametric Downconversion of a Magnon Mode in an Antiferromagnet

Z. Zhang, JY.-C. Chien, M. T. Wong, F. Y. Gao, Z.-J. Liu, X. Ma, S. Cao, E. Baldini, K. A. Nelson, in press at Science Advances (2025).

Dispersive Dark Excitons in van der Waals Ferromagnet CrI₃

W. He, J. Sears, F. Barantani, T. Kim, J. W. Villanova, T. Berlijn, M. Lajer, M. A. McGuire, J. Pelliciari, V. Bisogni, S. Johnston, E. Baldini, M. Mitrano, M. P. M. Dean, Physical Review X 15, 011042 (2025).

Electromagnon Signatures of a Metastable Multiferroic State

B. S. Dastrup^†, Z. Zhang^†, P. R. Miedaner, Y.-C. Chien, Y. Wu, H. Cao, E. Baldini, K. A. Nelson, Physical Review Letters 134, 086706 (2025).

Distinct Optical Excitation Mechanisms of a Coherent Magnon in a van der Waals Antiferromagnet

C. J. Allington^†, C. A. Belvin^†, U. F. P. Seifert, M. Ye, T. Tai, E. Baldini, S. Son, J. Kim, J. Park, J.-G. Park, L. Balents, N. Gedik, Physical Review Letters 134, 066903 (2025).

2024

Giant Chiral Magnetoelectric Oscillations in a van der Waals Multiferroic

F. Y. Gao^†, X. Peng^†, X. Cheng, E. Viñas Boström, D. S. Kim, R. K. Jain, D. Vishnu, K. Raju, R. Sankar, S.-F. Lee, M. A. Sentef, T. Kurumaji, X. Li, P. Tang, A. Rubio, E. Baldini, Nature 632, 273-279 (2024)

Research Highlight: Magnetoelectric Oscillations Go Giant in a van der Waals Multiferroic by G. Pacchioni, Nature Reviews Materials (2024)

Revealing a Distortive Polar Order Buried in the Fermi Sea

J. Shi^†, W. You^†, X. Li^†, F. Y. Gao, X. Peng. S. Zhang, J. Li, Y. Zhang, L. Fu, P. J. Taylor, K. A. Nelson, E. Baldini, Science Advances 10, eadn0929 (2024)

Light-Induced Insulator-Metal Transition in Sr₂IrO₄ Reveals the Nature of the Insulating Ground State

D. Choi^†, C. Yue^†, D. Azoury, Z. Porter, J. Chen, F. Petocchi, E. Baldini, B. Lv, M. Mogi, Y. Su, S. D. Wilson, M. Eckstein, P. Werner, N. Gedik , Proceedings of the National Academy of Sciences 121, e2323013121 (2024)

Magnetically Propagating Hund’s Exciton in van der Waals Antiferromagnet NiPS₃

W. He, Y. Shen, K. Wohlfeld, J. Sears, J. Li, J. Pelliciari, M. Walicki, S. Johnston, E. Baldini, V. Bisogni, M. Mitrano, M. P. M. Dean, Nature Communications 15, 3496 (2024)

Coexistence of Interacting Charge Density Waves in a Layered Semiconductor

B. Q. Lv^†, A. Zong^†, D. Wu, Z. Nie, Y. Su, D. Choi, B. Ilyas, B. Fichera, J. Li, E. Baldini, M. Mogi, Y.-B. Huang, H. C. Po, S. Meng, Y. Wang, N. L. Wang, N. Gedik, Physical Review Letters 132, 206401 (2024)

Terahertz-Field-Induced Nonlinear Coupling of Two Magnon Modes in an Antiferromagnet

Z. Zhang^†, F. Y. Gao^†, J. B. Curtis, Z.-J. Liu, Y.-C. Chien, A. von Hoegen, T. Kurihara, T. Suemoto, P. Narang, E. Baldini, K. A. Nelson, Nature Physics (2024)

News & Views: Terahertz Magnon Algebra by B. S. Mehra & D. S. Rana, Nature Physics (2024)

Nonlinear Coupled Magnonics: Terahertz Field-Driven Magnon Upconversion

Z. Zhang^†, F. Y. Gao^†, Y.-C. Chien, Z.-J. Liu, J. B. Curtis, E. R. Sung, X. Ma, W. Ren, S. Cao, P. Narang, A. von Hoegen, E. Baldini, K. A. Nelson, Nature Physics (2024)

Elucidating Piezoelectricity and Strain in Monolayer MoS₂ at the Nanoscale Using Kelvin Probe Force Microscopy

A. De Palma, X. Peng, S. Arash, F. Y. Gao, E. Baldini, X. Li, E. T. Yu, Nano Letters 24, 1835–1842 (2024)

Spin-Orbit Exciton-Induced Phonon Chirality in a Quantum Magnet

D. Lujan^†, J. Choe^†, S. Chaudhary^†, G. Ye, C. Nnokwe, M. Rodriguez-Vega, J. He, F. Y. Gao, T. N. Nunley, E. Baldini, J. Zhou, G. A. Fiete, R. He, X. Li, Proceedings of the National Academy of Sciences 121, e2304360121 (2024)

2023

Searching for Phase Transitions in the Dark

E. Baldini, Nature 622, 464-465 (2023)

Charges Tied with Magnetic Strings

E. Baldini, Nature Physics, 19, 1761-1762 (2023)

Intrinsic 1T’ Phase Induced in Atomically Thin 2H-MoTe₂ by a Single Terahertz Pulse

J. Shi^†, Y.-Q. Bie^†, A. Zong^†, S. Fang, W. Chen, J. Han, Z. Cao, Y. Zhang, T. Taniguchi, K. Watanabe, X. Fu, V. Bulović, E. Kaxiras, E. Baldini, P. Jarillo-Herrero, K. A. Nelson, Nature Communications 14, 5905 (2023)

Discovery of Enhanced Lattice Dynamics in a Single-Layered Hybrid Perovskite

Z. Zhang^†, J. Zhang^†, Z.-J. Liu^†, N. S. Dahod, W. Paritmongkol, N. Brown, Y.-C. Chien, Z. Dai, K. A. Nelson, W. A. Tisdale, A. M. Rappe, E. Baldini, Science Advances 9, eadg4417 (2023)

Strongly Bound Excitons Reveal Local Spin Chain Directions in a van der Waals Antiferromagnet

D. Kim^†, D. Huang^†, C. Guo, K. Li, D. Rocca, F. Y. Gao, J. Choe, D. Lujan, T.-H. Wu, K.-H. Lin, E. Baldini, L. Yang, S. Sharma, R. Shankar, S.-F. Lee, Y. Ping, X. Li, Advanced Materials 2206585 (2023)

The Spontaneous Symmetry Breaking in Ta₂NiSe₅, is Structural in Nature

E. Baldini, A. Zong, D. Choi, C. Lee, M. H. Michael, L. Windgaetter, I. I. Mazin, S. Latini, D. Azoury, B. Q. Lv, A. Kogar, Y. Su, Y. Wang, Y. Lu, T. Takayama, H. Takagi, A. J. Millis, A. Rubio, E. Demler, N. Gedik, Proceedings of the National Academy of Sciences 120, e2221688120 (2023)

2022

Simulating Terahertz Field-Induced Transient Ferroeletricity in Quantum Paraelectric SrTiO₃

D. Shin, S. Latini, C. Schäfer, S. A. Sato, E. Baldini, U. De Giovannini, H. Hübener, A. Rubio, Physical Review Letters 129, 167401 (2022)

Observation of Spin-Correlated Exciton-Polaritons in a van der Waals Magnet

F. Dirnberger^†, R. Bushati^†, B. Datta, A. Kumar, A. H. MacDonald, E. Baldini, V. M. Menon, Nature Nanotechnology 17, 1060–1064 (2022)

Snapshots of a Light-Induced Metastable Hidden Phase Driven by the Collapse of Charge Order

F. Y. Gao^†, Z. Zhang^†, Z. Sun, L. Ye, Y.-H. Cheng, Z.-J. Liu, J. G. Checkelsky, E. Baldini, K. A. Nelson, Science Advances 8, eabp9076 (2022)

Terahertz Field-Induced Reemergence of Quenched Photoluminescence in Quantum Dots

J.-J. Shi, F. Y. Gao, Z. Zhang, H. Utzat, U. Barotov, A. Farahvash, J. Han, J. Deschamps, C.-W. Baik, K.-S. Cho, V. Bulović, A. P. Willard, E. Baldini, N. Gedik, M. G. Bawendi, K. A. Nelson,  Nano Letters 4, 1718–1725 (2022)

2021

Exciton-Driven Antiferromagnetic Metal in a Correlated van der Waals Insulator

C. A. Belvin^†, E. Baldini^†, I. Ö. Ozel, D. Mao, H. C. Po, C. J. Allington, S. Son, B. H. Kim, J. Kim, I. Hwang, J. H. Kim, J.-G. Park, T. Senthil, N. Gedik,   Nature Communications 12, 487 (2021)

Press release: Highlight on the MIT home page and more than 20 international news outlets

Trimeron-Phonon Coupling in Magnetite

P. Piekarz, D. Legut, E. Baldini, C. A. Belvin, T. Kołodziej, W. Tabiś, A. Kozłowski, Z. Kakol, Z. Tarnawski, J. Lorenzana, N. Gedik, A. M. Oleś, J. M. Honig, K. Parlinski,  Physical Review B  103, 104303 (2021)

Giant Exciton Mott Density in Anatase TiO₂

E. Baldini, T. Palmieri, A. Dominguez, A. Rubio, M. Chergui,  Physical Review Letters 125, 116403 (2021)

2020

Room Temperature Terahertz Electroabsorption Modulation by Excitons in Monolayer Transition Metal Dichalcogenides

J.-J. Shi^†, E. Baldini^†, S. Latini, S. Sato, Y. Zhang, B. Pein, P.-C. Shen, J. Kong, A. Rubio, N. Gedik, K. A. Nelson,  Nano Letters 20, 5214-5220 (2020)

Discovery of the Soft Electronic Modes of the Trimeron Order in Magnetite

E. Baldini^†, C. A. Belvin^†, M. Rodriguez-Vega, I. Ö. Ozel, D. Legut, A. Kozłowski, A. M. Oleś, K. Parlinski, P. Piekarz, J. Lorenzana, G. A. Fiete, N. Gedik,  Nature Physics 16, 541-545 (2020)
Press release: Highlight on the MIT home page and more than 10 international news outlets

Electron-Phonon-Driven Three-Dimensional Metallicity in an Insulating Cuprate

E. Baldini, M. A. Sentef, S. Acharya, T. Brumme, E. Sheveleva, F. Lyzwa, E. Pomjakushina, C. Bernhard, M. van Schilfgaarde, F. Carbone, A. Rubio, C. Weber,  Proceedings of the National Academy of Sciences 117, 6409-6416 (2020)
Press release: Highlight on more than 5 international news outlets

High-Resolution Time- and Angle-Resolved Photoemission Spectroscopy with 11 eV Laser Pulses

C. Lee, T. Rohwer, E. J. Sie, A. Zong, E. Baldini, J. Straquadine, P. Walmsley, D. Gardner, Y. S. Lee, I. R. Fisher, N. Gedik,  Review of Scientific Instruments 91, 043102 (2020)

Mahan Excitons in Room-Temperature Methylammonium Lead Bromide Perovskites

T. Palmieri^†, E. Baldini^†, A. Steinhoff, A. Akrap, M. Kollar, E. Horvath, L. Forró, F. Jahnke, M. Chergui,  Nature Communications 11, 850 (2020)
Press release: Highlight on the EPFL home page and more than 5 international news outlets

2019

Exciton Control in a Room-Temperature Bulk Semiconductor with Coherent Strain Pulses

E. Baldini, A. Dominguez, T. Palmieri, O. Cannelli, A. Rubio, P. Ruello, M. Chergui,  Science Advances 5, 11, eaax2937 (2019)
Press release: Highlight on the EPFL home page and more than 10 international news outlets

Magnetic Field-Dependent Low-Energy Magnon Dynamics in α-RuCl₃

I. Ö. Ozel, C. A. Belvin, E. Baldini, I. Kimchi, S. Do, K.-Y. Choi, N. Gedik,  Physical Review B 100, 085108 (2019)

Terahertz-Field-Induced Ferroelectricity in Quantum Paraelectric SrTiO₃

X. Li, T. Qiu, J. Zhang, E. Baldini, J. Lu, A. M. Rappe, K. A. Nelson,  Science 364, 1079-1082 (2019)
Press release: Highlight on more than 10 international news outlets

Evidence for Topological Defects in a Photo-Induced Phase Transition

A. Zong, A. Kogar, Y.-Q. Bie, T. Rohwer, C. Lee, E. Baldini, E. Ergeçen, M. B. Yilmaz, B. Freelon, E. J. Sie, H. Zhou, J. Straquadine, P. Walmsley, P. E. Dolgirev, A. V. Rozhkov, I. R. Fisher, P. Jarillo-Herrero, B. V. Fine, N. Gedik,  Nature Physics 15, 27-31 (2019)
Press release: Highlight on more than 10 international news outlets

2018

Phonon-Driven Selective Modulation of Exciton Oscillator Strengths in Anatase TiO₂ Nanoparticles

E. Baldini, T. Palmieri, A. Dominguez, P. Ruello, A. Rubio, M. Chergui,  Nano Letters 18, 5007 (2018)
Press release: Highlight on more than 10 international news outlets

Lattice-Mediated Magnetic Order Melting in TbMnO₃

E. Baldini, T. Kubacka, B. P. P. Mallett, C. Ma, S. M. Koohpayeh, Y. Zhu, C. Bernhard, S. L. Johnson, F. Carbone, Physical Review B 97, 125149 (2018)

Clocking the Ultrafast Electron Cooling in Anatase Titanium Dioxide Nanoparticles

E. Baldini, T. Palmieri, E. Pomarico, G. Auböck, M. Chergui,  ACS Photonics 5, 1241-1249 (2018)

2017

Coherent Generation of Symmetry-Forbidden Phonons by Light-Induced Electron-Phonon Interactions in Magnetite

S. Borroni, E. Baldini, V. M. Katukuri, A. Mann, K. Parlinski, D. Legut, C. Arrell, F. van Mourik, J. Teyssier, A. Kozlowski, P. Piekarz, O. V. Yazyev, A. M. Olés, J. Lorenzana, F. Carbone,  Physical Review B 96, 104308 (2017)

Real-Time Observation of Phonon-Mediated σ-π Interband Scattering in MgB₂

E. Baldini, A. Mann, L. Benfatto, E. Cappelluti, A. Acocella, V. M. Silkin, S. V. Eremeev, A. B. Kuzmenko, S. Borroni, T. Tan, X. X. Xi, F. Zerbetto, R. Merlin, F. Carbone,  Physical Review Letters 119, 097002 (2017)

Ultrafast Interfacial Electron Injection Probed by a Substrate-Specific Excitonic Signature

E. Baldini, T. Palmieri, T. Rossi, M. Oppermann, E. Pomarico, G. Auböck, M. Chergui, Journal of American Chemical Society 139, 11584-11589 (2017)

Anomalous Anisotropic Exciton Temperature Dependence in Rutile TiO₂

E. Baldini, A. Dominguez, L. Chiodo, E. Sheveleva, M. Yazdi-Rizi, C. Bernhard, A. Rubio, M. Chergui,  Physical Review B 96, 041204(R) (2017)

The LOUVRE Laboratory: State-of-the-Art Ultrafast Ultraviolet Spectroscopies for Molecular and Materials Science

M. Oppermann, N. S. Nagornova, A. Oriana, E. Baldini, L. Mewes, B. Bauer, T. Palmieri, T. Rossi, F. van Mourik, M. Chergui,  CHIMIA International Journal for Chemistry 71, 5, 288-294 (2017)

Strongly Bound Excitons in Anatase TiO₂ Single Crystals and Nanoparticles

E. Baldini, L. Chiodo, A. Dominguez, M. Palummo, S. Moser, M. Yazdi-Rizi, G. Auböck, B. P. P. Mallett, H. Berger, A. Magrez, C. Bernhard, M. Grioni, A. Rubio, M. Chergui,  Nature Communications 8, 13 (2017)
Press release: Highlight on more than 20 international news outlets

Clocking the Onset of Bilayer Coherence in a High-T_C Cuprate

E. Baldini, A. Mann, B. P. P. Mallett, C. Arrell, F. van Mourik, T. Wolf, D. Mihailovic, J. Tallon, C. Bernhard, J. Lorenzana, F. Carbone,  Physical Review B 95, 024501 (2017)

2016

A Versatile Setup for Ultrafast Broadband Optical Spectroscopy on Strongly Correlated Quantum Systems

E. Baldini^†, A. Mann^†, S. Borroni, C. Arrell, F. van Mourik, F. Carbone,  Structural Dynamics 3, 064301 (2016)

Probing the Coupling between a Doublon Excitation and the Charge-Density Wave in TaS₂ by Ultrafast Optical Spectroscopy

A. Mann, E. Baldini, A. Odeh, A. Magrez, H. Berger, F. Carbone,  Physical Review B 94, 115122 (2016)

2015

Filming the Formation and Fluctuation of Skyrmion Domains by Cryo-Lorentz Transmission Electron Microscopy

J. Rajeswari, H. Ping, G. F. Mancini, Y. Murooka, T. Latychevskaia, D. McGrouther, M. Cantoni, E. Baldini, J. S. White, A. Magrez, T. Giamarchi, H. M. Rønnow, F. Carbone, Proceedings of the National Academy of Sciences 112, 46, 14212-14217 (2015)

Probing the Electron-Phonon Interaction in Correlated Systems with Coherent Lattice Fluctuation Spectroscopy

A. Mann, E. Baldini, A. Tramontana, E. Pomjakushina, K. Conder, C. Arrell, F. van Mourik, J. Lorenzana, F. Carbone Physical Review B 92, 035147 (2015)

Femtosecond X-Ray Absorption Study of Electron Localization in Photoexcited Anatase TiO₂

F. G. Santomauro, A. Lubcke, J. Rittmann, E. Baldini, A. Ferrer, M. Silatani, P. Zimmermann, S. Grubel, J. A. Johnson, S. O. Marianger, P. Beaud, D. Grolimund, C. Borca, G. Ingold, S. L. Johnson, M. Chergui  Scientific Reports 5, 14834 (2015)

2013

Nonlinear Characterization of Hydrogenated Amorphous Silicon Waveguides and Analysis of Carrier Dynamics

C. Lacava, P. Minzioni, E. Baldini, L. Tartara, J. M. Fedeli, I. Cristiani,  Applied Physics Letters 103, 141103 (2013)

2011

Experimental Study of the Optical Forces Exerted by a Gaussian Beam within the Rayleigh Range

L. Ferrara, E. Baldini, P. Minzioni, F. Bragheri, C. Liberale, E. Di Fabrizio, I. Cristiani,  Journal of Optics 13, 075712 (2011)

Books

E. Baldini

Nonequilibrium Dynamics of Collective Excitations in Quantum Materials

Springer (2018)

Springer – Amazon