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UID:69d4ac3ee479a
DTSTART:20241111T090000Z
SEQUENCE:0
TRANSP:OPAQUE
LOCATION:ICFO Auditorium
SUMMARY:ICFO | HUNG-WEI SUN
CLASS:PUBLIC
DESCRIPTION:Understanding electron behavior in solids and their interaction
 s with the lattice is crucial for exploring exotic phenomena in condensed 
 matter. Traditional techniques often provide limited insights\, focusing o
 n either carriers or lattice structures independently. In contrast\, X-ray
  absorption spectroscopy can simultaneously measure electrons and phonons\
 , especially with the broadband continuum soft X-ray spectrum generated th
 rough high harmonic generation\, facilitating simultaneous electron and ph
 onon physics exploration. However\, the strong absorption by solid-state s
 amples necessitates extended measurement times. This thesis introduces the
  upgrades to the laser system and the attosecond soft X-ray beamline at IC
 FO\, which enhance the detectable photon flux and improve the spectral res
 olution of the soft X-ray spectrograph. These advancements allow for detai
 led investigations of phase transition phenomena in materials such as Tita
 nium diselenide (TiSe₂)\, providing an exceptional tool for understandin
 g material properties at the microscopic level and paving the way for more
  precise studies of dynamic processes in condensed matter.\nMonday Novembe
 r 11\, 10:00 h. ICFO Auditorium \nThesis Director: Prof. Dr. Jens Biegert
DTSTAMP:20260407T070326Z
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