Post-doctoral Position: Photoelectron Circular Dichroism (PECD) from Static to Nanosecond Down to Femtosecond Time-resolved Approaches
Post-doctoral Position: Photoelectron Circular Dichroism (PECD) from Static to Nanosecond Down to Femtosecond Time-resolved Approaches
SOLEIL Synchrotron
Saint-Aubin, France
The position is centered around PECD, a very intense chiroptical effect, observed as a forward/backward asymmetry in the Circularly Polarized Light-ionization of isolated chiral species. PECD is known to be very sensitive to static and dynamic molecular structures like isomers, conformers and clusters, as such perfectly suited to static as well as time-resolved pump/probe approaches to explore chiral structures and dynamics. A recently established collaboration between the DESIRS and ISMO teams, allowed bridging pioneering synchrotron and laser-based methods to explore some of the chemical dimensions of chirality. In this collaborative context, and within the broader framework of TORNADO, the candidate will study static one-photon PECD (at DESIRS) and two-photon PECD at ISMO. Special emphasis will be put on systems whose electronic excited state dynamics can be probed by time-resolved multiphoton PECD on the ns timescale (at ISMO), and fs timescales (in collaboration with the HXUV group at CELIA/Bordeaux). We will be especially focusing on chiral complexes as well as axial chirality systems taking advantage of the exquisite sensitivity of the PECD observable to molecular structures. A second axis of research will be devoted to helical supra-molecular chirality, via static one-photon PECD on DESIRS, from small isolated species up to large chiral nano-objects, both custom-synthetized by chemists within the TORNADO network. The contract is for 1.5 years extendable for one year upon mutual agreement. Knowledge of French is not mandatory, but a fluent level of spoken and written English is required. The candidate is expected to hold a PhD in Physical Chemistry or Physics or Chemistry, since no more than 3 years. A solid background in gas phase molecular dynamics/spectroscopy is required, as well as experience in electron and/or ion mass spectrometry associated with molecular/effusive beams. Previous expertise on chirality, synchrotron radiation/laser systems or charged particle detection specially through imaging techniques is not mandatory but will be positively considered.
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