Free electron laser-driven ultrafast rearrangementöf the electronic structure in Ti

E. Principi, E. Giangrisostomi, R. Cucini, F. Bencivenga, A. Battistoni, A. Gessini, R. Mincigrucci, M. Saito, S. Di Fonzo, F. D'Amico, A. Di Cicco, R. Gunnella, A. Filipponi, A. Giglia, S. Nannarone, C. Masciovecchio

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

High-energy density extreme ultraviolet radiation delivered by the FERMI seeded free-electron laser has been used to create an exotic nonequilibrium stateöf matter in a titanium sample characterized by a highly excited electron subsystem at temperatures in excessöf 10 eV and a cold solid-density ion lattice. Theöbtained transient state has been investigated through ultrafast absorption spectroscopy across the Ti M2,3-edge revealing a drastic rearrangementöf the sample electronic structure around the Fermi levelöccurringön a time scaleöf about 100 fs.

Original languageEnglish
Article number023604
JournalStructural Dynamics
Volume3
Issue number2
DOIs
Publication statusPublished - 2016 Mar 1
Externally publishedYes

ASJC Scopus subject areas

  • Radiation
  • Instrumentation
  • Condensed Matter Physics
  • Spectroscopy

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