CE30 - Physique de la matière condensée et de la matière diluée

Photo-réponse ultrarapide et gigantesque de conducteur moléculaire à l'approche des points critiques – CRITICLAS

Submission summary

Materials science has moved from the observation to the control of the properties offered by complex systems. Along this line, mastering electronic correlations remains one of the great challenge in solid-state physics. A robust testbed for studying such phenomena are the molecular correlated materials that display competing orders and phase transitions, such as metal to insulator. CRITICLAS proposes to investigate the response of molecular conductors to ultrafast photo-excitations near critical points of the phase diagram, that is where the susceptibilities of materials diverge. It will rely on a challenging combination of accurate control of thermodynamical parameters (pressure, temperature) with ultrafast pump-probe optical spectroscopy. In this way, we aim to build a unique setup that will combine a cryogenic high pressure gas cell to a femtosecond laser platform. The objective is to see beyond the limits of a linear response and observe non-statistical hidden states in correlated materials. It may drive spectacular effects triggered by collective, coherent and gigantic photo-response.

Project coordinator

Monsieur Roman Bertoni (INSTITUT DE PHYSIQUE DE RENNES)

The author of this summary is the project coordinator, who is responsible for the content of this summary. The ANR declines any responsibility as for its contents.

Partner

IPR INSTITUT DE PHYSIQUE DE RENNES

Help of the ANR 361,206 euros
Beginning and duration of the scientific project: September 2021 - 48 Months

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