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Portail > Offres > Offre UMR5221-BENRUF-001 - Post-doctorat en physique expérimentale de la matière condensée (H/F)

Postdoctoral position in experimental condensed matter physics (H/F)

This offer is available in the following languages:
Français - Anglais

Date Limite Candidature : samedi 7 août 2021

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General information

Reference : UMR5221-BENRUF-001
Workplace : MONTPELLIER
Date of publication : Wednesday, July 7, 2021
Type of Contract : FTC Scientist
Contract Period : 12 months
Expected date of employment : 1 October 2021
Proportion of work : Full time
Remuneration : Commensurate with experience
Desired level of education : PhD
Experience required : Indifferent

Missions

The project proposes to use advanced optical spectroscopy and structural experiments at high-pressure-high-temperature to first characterize the Fe–O reactivity and second to unravel mechanisms of polyamorphism in simple oxide glasses.

Activities

The successful candidate will conduct HP-HT vibrational spectroscopy (infrared, Raman) experiments on Fe–O compounds using diamond anvil cells and an in-situ laser heating system (1500-4000 K; 10-100 GPa). Iron oxides of original stoichiometries can be obtained under extreme conditions, and they are the abundant constituents of the Earth's mantle and its core. These new compounds are also interesting for their electronic and magnetic properties. The candidate will also participate in the structural characterization of the Fe–O reactivity at HP–HT at large scale facilities (ESRF, SOLEIL, PETRA, Spring-8, APS) in close collaboration with teams at ICG Montpellier and at the Bayerisches Geoinstitut. In parallel, the candidate will conduct HP-HT Brillouin experiments to achieve an accurate description of the microscopic mechanism of pressure-induced polyamorphism in representative oxide glasses (GeO2, B2O3). Simple oxide glasses form an excellent playground to study polyamorphism as both intrinsic free volume and network topology effects can be addressed. Understanding and describing the structure and properties of the glassy state poses enormous difficulties and remain a fundamental problem in condensed matter physics. This part is further developed in close collaboration with a team at IMPMC, Paris, where numerical modeling is carried out to complement the experiments.

Skills

Applicants should possess, or be very close to obtaining, a doctorate in condensed matter physics or in material science and ideally a background in vibrational spectroscopy. Previous experience in high pressure techniques would be an advantage.

Work Context

Laboratoire Charles Coulomb (https://coulomb.umontpellier.fr/)
In collaboration with Institut Charles Gerhardt Montpellier (https://www.icgm.fr/) &
Institut de minéralogie, de physique des matériaux et de cosmochimie Paris (http://impmc.sorbonne-universite.fr/fr/index.html)

Additional Information

Funding from the French ANR

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