Výsledky vyhledávání - "Frédéric Decremps"

Akademický článek

Picosecond Acoustics Technique to Measure the Sound Velocities of Fe-Si Alloys and Si Single-Crystals at High Pressure

Autor: Eric Edmund, Michel Gauthier, Daniele Antonangeli, Simon Ayrinhac, Silvia Boccato, Thibault Deletang, Marc Morand, Yiuri Garino, Paraskevas Parisiades, Frédéric Decremps

Publikováno v: Minerals, Vol 10, Iss 3, p 214 (2020)

We describe here a time resolved pump-probe laser technique—picosecond interferometry—which has been combined with diamond anvil cells (DAC). This method enables the measurement of the longitudinal sound velocity up to Mbar pressure for any kind

Externí odkaz: https://doaj.org/article/beed936e16674151bb392b1ceb6237f5

Zobrazit plný text záznamu

Plný text ve formátu HTML

Akademický článek

Axial Compressibility and Thermal Equation of State of Hcp Fe–5wt% Ni–5wt% Si

Autor: Eric Edmund, Francesca Miozzi, Guillaume Morard, Eglantine Boulard, Alisha Clark, Frédéric Decremps, Gaston Garbarino, Volodymyr Svitlyk, Mohamed Mezouar, Daniele Antonangeli

Publikováno v: Minerals, Vol 10, Iss 2, p 98 (2020)

Knowledge of the elastic properties and equations of state of iron and iron alloys are of fundamental interest in Earth and planetary sciences as they are the main constituents of telluric planetary cores. Here, we present results of X-ray diffractio

Externí odkaz: https://doaj.org/article/5b5e725772d945b482f021caab498dc1

Zobrazit plný text záznamu

Plný text ve formátu HTML

Picosecond acoustics: a new way to access elastic properties of materials at pressure and temperature conditions of planetary interiors

Autor: Silvia Boccato, Michel Gauthier, Nicki C. Siersch, Paraskevas Parisiades, Yiuri Garino, Simon Ayrinhac, Sofia Balugani, Cécile Bretonnet, Thibault Delétang, Maëva Guillot, Katia Verbeke, Frédéric Decremps, Yoann Guarnelli, Marc Morand, Philippe Rosier, Bin Zhao, Daniele Antonangeli

Publikováno v: Physics and Chemistry of Minerals
Physics and Chemistry of Minerals, 2022, 49 (6), pp.20. ⟨10.1007/s00269-022-01194-6⟩

International audience; Picosecond acoustics is an optical pump-probe technique allowing to access thermoelastic properties and sound velocities of a large variety of materials under extreme conditions. Coupled with diamond anvil cells and laser heat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd3f2ee0cc1b6bfbda33d626870e78ba
https://hal.science/hal-03708683

Zobrazit plný text záznamu

The structure and elasticity of cubic Fe-Si alloys at high pressures

Autor: Simon Ayrinhac, E. Boulard, Daniele Antonangeli, Frédéric Decremps, Michael Hanfland, E. Edmund, M. Gauthier, Nicolas Guignot, Guillaume Morard, Mohamed Mezouar

Publikováno v: Physical Review B: Condensed Matter and Materials Physics (1998-2015)
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2019, 100 (13), pp.2295-2309. ⟨10.1103/PhysRevB.100.134105⟩
Physical Review B: Condensed Matter and Materials Physics (1998-2015), American Physical Society, 2019, 100 (13), pp.2295-2309. ⟨10.1103/PhysRevB.100.134105⟩
Physical Review B: Condensed Matter and Materials Physics
Physical Review B: Condensed Matter and Materials Physics, American Physical Society, 2019, 100 (13), ⟨10.1103/PhysRevB.100.134105⟩

Using a combination of picosecond acoustics and synchrotron x-ray diffraction, the sound velocities and equations of state of Fe-Si alloys have been determined over a wide range of compositions (10--29 at. % Si) and pressures (up to 65 GPa) under qua

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f52865f46a0d4cb118ba4ef2b4af1d6d
https://hal.science/hal-02336410

Zobrazit plný text záznamu

Axial Compressibility and Thermal Equation of State of Hcp Fe–5wt% Ni–5wt% Si

Autor: Mohamed Mezouar, Frédéric Decremps, Volodymyr Svitlyk, Gaston Garbarino, Guillaume Morard, E. Boulard, Daniele Antonangeli, E. Edmund, A. N. Clark, Francesca Miozzi

Publikováno v: Minerals
Minerals, 2020, 10 (2), pp.98. ⟨10.3390/min10020098⟩
Minerals, Vol 10, Iss 2, p 98 (2020)
Minerals, MDPI, 2020, 10 (2), pp.98. ⟨10.3390/min10020098⟩
'Minerals ', vol: 10, pages: 98-1-98-12 (2020)
Volume 10
Issue 2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::17b17c721fb524e5fd97e9045c56e0ed
https://doi.org/10.3390/min10020098

Zobrazit plný text záznamu

Plný text ve formátu HTML

Sound velocity and equation of state in liquid cesium at high pressure and high temperature

Autor: M. Morand, Y. Garino, Simon Ayrinhac, Michel Gauthier, Daniele Antonangeli, Frédéric Decremps, Paraskevas Parisiades

Publikováno v: Physical Review B: Condensed Matter and Materials Physics (1998-2015)
Physical Review B: Condensed Matter and Materials Physics (1998-2015), American Physical Society, 2018, 98 (18), ⟨10.1103/PhysRevB.98.184103⟩
Physical Review B: Condensed Matter and Materials Physics
Physical Review B: Condensed Matter and Materials Physics, American Physical Society, 2018, 98 (18), ⟨10.1103/PhysRevB.98.184103⟩
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2018, 98 (18), ⟨10.1103/PhysRevB.98.184103⟩

International audience; Liquid cesium (l-Cs) sound velocity at high densities was investigated along a 500 K isotherm using high-pressure picosecond acoustics measurements. At 2.0 GPa, the liquid sound velocity goes through a maximum versus pressure

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c898578cd0f5be9638ddc08994049683
https://hal.archives-ouvertes.fr/hal-02374096

Zobrazit plný text záznamu

Sound velocities and density measurements of solid hcp-Fe and hcp-Fe–Si (9 wt.%) alloy at high pressure: Constraints on the Si abundance in the Earth's inner core

Autor: Frédéric Decremps, Daniele Antonangeli, Guillaume Morard, Luigi Paolasini, Mohamed Mezouar, Alexei Bosak, Caitlin A. Murphy, Gaston Garbarino, Yingwei Fei, Guillaume Fiquet, E. Edmund

Publikováno v: Earth and Planetary Science Letters
Earth and Planetary Science Letters, 2018, 482, pp.446-453. ⟨10.1016/j.epsl.2017.11.043⟩
Earth and Planetary Science Letters, 2018
Earth and Planetary Science Letters, Elsevier, 2018
Earth and Planetary Science Letters, Elsevier, 2018, 482, pp.446-453. ⟨10.1016/j.epsl.2017.11.043⟩
HAL

We carried out sound velocity and density measurements on solid hcp-Fe and an hcp-Fe–Si alloy with 9 wt.% Si at 300 K up to ∼170 and ∼140 GPa, respectively. The results allow us to assess the density (ρ) dependence of the compressional sound v

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c8ce56339c10ee298dcdfd4f781c8358
https://hal.sorbonne-universite.fr/hal-01656993/document

Zobrazit plný text záznamu

Elasticity and Poisson's ratio of hexagonal close-packed hydrogen at high pressures

Autor: M. Morand, Yu. A. Freiman, Frédéric Decremps, Simon Ayrinhac, S. M. Tretyak, Daniele Antonangeli, Alexander F. Goncharov, Michel Gauthier, Alexei Grechnev

The elasticity at high pressure of solid hydrogen in hexagonal close-packed (hcp) phase I has been examined experimentally by laser acoustics technique in a diamond anvil cell, up to 55 GPa at 296 K, and theoretically using pair and three-body semiem

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0254ee1e587517d7bfdd977d8a1a46f4
https://doi.org/10.1103/physrevb.95.214104

Zobrazit plný text záznamu

Watching a metal collapse: Examining cerium’s γ ↔ α transformation using X-ray diffraction of compressed single and polycrystals

Autor: Daniel L. Farber, C.M. Aracne-Ruddle, Kevin T. Moore, L. Belhadi, J. A. Bradley, Alain Polian, F. Occelli, Michel Gauthier, Frédéric Decremps

Publikováno v: Acta Materialia
Acta Materialia, Elsevier, 2011, 59 (15), pp.6007-6016. ⟨10.1016/j.actamat.2011.06.009⟩

Numerous investigations have been performed on Ce metal since the discovery of the γ → α phase transformation, where a face-centered cubic structure is believed to collapse isostructurally with a volume change of ∼17%. However, two questions ha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::75496a271b8f1ee3be032fdb2264b666
https://doi.org/10.1016/j.actamat.2011.06.009

Zobrazit plný text záznamu

Thermodynamic properties of liquid gallium from picosecond acoustic velocity measurements

Autor: Frédéric Decremps, G. Le Marchand, M. Gauthier, Simon Ayrinhac, F. Bergame, M. Morand

Publikováno v: Journal of Physics: Condensed Matter
Journal of Physics: Condensed Matter, IOP Publishing, 2015, 27 (27), pp.275103. ⟨10.1088/0953-8984/27/27/275103⟩
Journal of Physics: Condensed Matter, 2015, 27 (27), pp.275103. ⟨10.1088/0953-8984/27/27/275103⟩

International audience; Due to discrepancies in the literature data the thermodynamic properties of liquid gallium arestill in debate. Accurate measurements of adiabatic sound velocities as a function of pressureand temperature have been obtained by

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3142aaebfe4f742f51c06fee22ee9076
https://hal.archives-ouvertes.fr/hal-01174699

Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání