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SUMMARY:Dynamics and reactivities of cold and controlled molecules
DTSTART:20140403T163000
DTEND:20140403T173000
DTSTAMP:20260512T233943Z
UID:f39ddc72207cdc3c08b2f55dc198968822914e47fbd3066dfc0d25a3
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Dr Jochen Küpper\nUniversity of Hamburg\,\nCenter for F
 ree-Electron Laser Science (CFEL)\nDeutsches Elektronen-Synchrotron (DESY)
 \nCoherent Imaging Division\nThe structure function relationship is still 
 a largely open area of molecular sciences. On the one hand there is vast e
 vidence for structural influence in chemistry and biology\, with highly su
 ccessful abstractions even at the textbook level. On the other hand\, ther
 e is very little direct experimental evidence for the details of this stru
 cture-function relationship. We have demonstrated a new approach toward th
 e investigation of the influence of conformational details in the molecula
 r structure on the reactivity of gas-phase reactions. The next challenge i
 s the disentangling of the chemical dynamics of individual molecular speci
 es with temporal and spatial atomic resolution. The recording of these so-
 called “molecular movies” is within reach. Corresponding modern experi
 ments in the molecular sciences range from ultrafast attosecond electron d
 ynamics investigations of diatomic molecules to the coherent diffractive i
 maging of nanocrystals or viruses of biological samples. The successful fi
 lming will often rely on strongly controlled molecular samples. This inclu
 des the separation of individual structural isomers or even single quantum
  states of complex molecules\, but also the ability to strongly fix comple
 x molecules in space\, and to deliver them to the interaction point of the
  probe experiment\, such as modern table-top laser systems\, free-electron
  lasers\, or electron beams.\nIn this presentation I will discuss our ende
 avors to get complex molecules under control\, including the spatial separ
 ation of different species and the one- and three-dimensional alignment an
 d orientation. I will discuss the chemical reactivities of conformers and 
 discuss future possibilities to study the structure-function relationship 
 in bimolecular reactions. Moreover\, the controlled samples of such many-b
 ody quantum systems have been successfully employed in various benchmark e
 xperiments toward the recording of molecular movies and I will discuss the
  current status and future possibilities.
LOCATION:CH G1 495 https://plan.epfl.ch/?room==CH%20G1%20495
STATUS:CONFIRMED
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