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SUMMARY:Ultrafast optical and X-ray studies of the dynamics of chemical sy
 stems
DTSTART:20191010T171500
DTEND:20191010T181500
DTSTAMP:20260503T110813Z
UID:de56ba76e6276b34c4b08f6b3858581014c9361f56209528e7e2cd8a
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Majed Chergui\nLSU\, EPFL\nThe advent of femtosecond (1 
 fs=10-15 s) laser technology some twenty-five years ago opened a whole new
  era in Science by its ability to probe in "real-time" nuclear motion in m
 olecules\, crystals\, liquids and proteins. In the past fifteen years\, hu
 ge efforts have been deployed aimed at combining the high time resolution 
 of fs lasers with the high spatial resolutions of structural techniques\, 
 such as X-ray and electron diffraction and X-ray spectroscopies. In this t
 alk\, I will demonstrate the power of ultrafast spectroscopy from the visi
 ble to the X-ray range to monitor the electronic\, spin and structural dyn
 amics of chemical and biological systems and of solid materials. Examples 
 will include the correlated spin and structural dynamics in hemoproteins a
 nd transition metal complexes\, and the charge carrier dynamics in transit
 ion metal oxides.
LOCATION:BCH 2201 https://plan.epfl.ch/?room==BCH%202201
STATUS:CONFIRMED
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