Recent editorial initiatives

• E. Principi "Preface to Special Topic: The Advent of Ultrafast X-Ray Absorption" Structural Dynamics 11(3), 030401 (2024)

Guest Editor of the Structural Dynamics Special Topic entitled "The Advent of Ultrafast X-ray Absorption Spectroscopy" (visit the web page).

• E. Principi "Special Issue on Latest Trends in Free Electron Lasers" Applied Sciences 12(21), 11215 (2022)

Guest Editor of the Applied Sciences Special Issue entitled "Latest Trends in Free Electron Lasers" (visit the web page).

Recent research highlights

• Ferrante C., Principi E. et al. "Epsilon-near-zero nonlinearity enhancement in the extreme ultraviolet", Light Sci Appl 14, 374 (2025)

• Paltanin E., Pelli Cresi J.S., Principi E. et al. "Time-resolved chemically-selective spectroscopic investigation of the redox reaction between hematite and aluminium", Nat Commun 16, 7282 (2025).

• Mincigrucci R., Rouxel J.R., Rossi B., Principi E. et al. "Element- and enantiomer-selective visualization of molecular motion in real-time.", Nat Commun 14, 386 (2023)

• Ferrante C, Principi E. et al. "Non-linear self-driven spectral tuning of Extreme Ultraviolet Femtosecond Pulses in monoatomic materials", Light: Science & Applications 10, 92 (2021)

• J. S. Pelli Cresi, E. Principi et al. "Ultrafast Dynamics of Plasmon-Mediated Charge Transfer in Ag@CeO2 Studied by Free Electron Laser Time-Resolved X-ray Absorption Spectroscopy" Nano Lett. 21, 1729 (2021)

• E. Principi et al. "Atomic and electronic structure of solid-density liquid carbon", Phys. Rev. Lett. 125, 155703 (2020).
  Informative reading:
  Research Outreach, issue 125, pp 162 (2021)
  Phys.org (2020)
  FELs of Europe, issue 10 (2021)