Exploring the phase-diagram of molecular crystals during ultrafast photo-induced non-equilibrium dynamics

Roman Bertoni

doi:10.1117/12.2623029

3 June 2022 Exploring the phase-diagram of molecular crystals during ultrafast photo-induced non-equilibrium dynamics

Roman Bertoni

Proceedings Volume PC12132, Advances in Ultrafast Condensed Phase Physics III; PC1213206 (2022) https://doi.org/10.1117/12.2623029
Event: SPIE Photonics Europe, 2022, Strasbourg, France

Abstract

New methods have emerged during the last decade for studying and controlling molecular conductors, and more generally correlated materials, with the use of external dynamical control parameters such as electric field or light pulse. It allows acting dynamically on materials and thus explore what lies behind the “static” picture. So far, those studies relying on ultrashort pulses to disturb and monitor the system during its out-of- equilibrium journey were restricted to the sole use of temperature as control parameter to depart from point in a phase diagram. Nevertheless, other control parameters such as hydrostatic pressure are mandatory to explore the wealth of phase space and may tune fundamental quantities such as electronic correlations. Recent publications have demonstrated the interest of coupling the control of temperature and pressure for time resolved studies. We have developed a robust setup allowing to perform P/T tunable time-resolved experiment. Indeed, it grants access to a broad phase space spanning 0-7 kbars and 300-10 K, well suited for studies of soft correlated molecular crystals.

Conference Presentation

Citation Download Citation

Roman Bertoni "Exploring the phase-diagram of molecular crystals during ultrafast photo-induced non-equilibrium dynamics", Proc. SPIE PC12132, Advances in Ultrafast Condensed Phase Physics III, PC1213206 (3 June 2022); https://doi.org/10.1117/12.2623029

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