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2011/12/07

Press Release

Imaging molecular potentials of ‘hidden’ states

A knowledge of electron-density distributions and potential energy surfaces of molecules is important for predicting their physical properties and chemical reactivity. The measurement of the energy of electrons, ejected by molecules as a result of their exposure to radiation, is one of the most commonly used methods to study different molecular states. Using traditional methods however, many electronic states cannot be accessed or they appear strongly overlapped with other states, which makes their isolation and characterization impossible. The PLEIADES group of experimentalists at the French synchrotron radiation facility SOLEIL, in strong collaboration with theoreticians from Japan and Sweden, has found a way to “pull-out” molecular states from the regions of overlap and reconstruct their potentials, otherwise inaccessible by other methods. In their complex technique, the molecular states of interest are reached not directly, as in traditional photo-electron spectroscopic methods, but indirectly via an intermediate state.

For more details:
http://www.synchrotron-soleil.fr/Soleil/ToutesActualites/2011/PotentielsMoleculaires

Press release in France on December 4th, 2011:
“Seeing” the energy of molecules using synchrotron light

Reference :
Catalin Miron, Christophe Nicolas, Oksana Travnikova, Paul Morin, Yuping Sun, Faris Gel’mukhanov, Nobuhiro Kosugi, and Victor Kimberg, « Imaging molecular potentials using ultrahigh resolution resonant photoemission », Nature Physics (2011) DOI 10.1038/NPHYS2159.

Contact Person in France :
Catalin Miron, miron@synchrotron-soleil.fr

Contact Person in Japan :
Nobuhiro Kosugi, kosugi@ims.ac.jp