Výsledky vyhledávání - "M. A. Bouhifd"

Akademický článek

Experimental evidence supporting a global melt layer at the base of the Earth’s upper mantle

Autor: D. Freitas, G. Manthilake, F. Schiavi, J. Chantel, N. Bolfan-Casanova, M. A. Bouhifd, D. Andrault

Publikováno v: Nature Communications, Vol 8, Iss 1, Pp 1-7 (2017)

A 56–60 km thick low velocity layer exists at the base of the Earth’s upper mantle. Here, the authors experimentally reproduced the wadsleyite-to-olivine transition in the upwelling mantle and show that the low velocity anomaly can be explained b

Externí odkaz: https://doaj.org/article/bb8176cb80b04466a94288acf11464e4

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New Opportunities for Earth Science at the Extremely Brilliant Source of the European Synchrotron Radiation Facility

Autor: A. D. Rosa, I. Kupenko, J.-A. Hernandez, A. Forestier, M. Muñoz, G. Morard, M. A. Bouhifd, K. A. Lomachenko, R. Torchio, A. Chumakov, O. Mathon, M. Mezouar

Publikováno v: Synchrotron Radiation News. 35:8-16

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::56d4537c47c8b186451570ef73b62308
https://doi.org/10.1080/08940886.2022.2159711

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Comment on: Melting behavior of SiO2 up to 120 GPa (Andrault et al. 2020)

Autor: Denis Andrault, L. Pison, G. Morard, G. Garbarino, M. Mezouar, M. A. Bouhifd, T. Kawamoto

Publikováno v: Physics and Chemistry of Minerals
Physics and Chemistry of Minerals, 2022, 49, ⟨10.1007/s00269-021-01174-2⟩

co-auteur étranger; International audience; The additional work we have done using our new laser heating in the diamond anvil cell system since the publication of Andrault et al. (Phys Chem Mineral 47(2), 2020) leads us to the conclusion that there

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::309b203ef71005154a23bf5cd3ab3c8e
https://hal-insu.archives-ouvertes.fr/insu-03708909/file/__Melting-SiO2_Corr_v2.pdf

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Martensitic fcc-hcp transformation pathway in solid krypton and xenon and its effect on their equations of state

Autor: A. D. Rosa, A. Dewaele, G. Garbarino, V. Svitlyk, G. Morard, F. De Angelis, M. Krstulović, R. Briggs, T. Irifune, O. Mathon, M. A. Bouhifd

Publikováno v: Physical Review B 105(2022), 144103
Physical Review B
Physical Review B, 2022, 105, ⟨10.1103/PhysRevB.105.144103⟩

International audience; The martensitic transformation is a fundamental physical phenomenon at the origin of important industrial applications. However, the underlying microscopic mechanism, which is of critical importance to explain the outstanding

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::80b25ec47ca349f513c9491228438343
https://www.hzdr.de/publications/Publ-35474-1

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Incorporation of Fe 2+ and Fe 3+ in bridgmanite during magma ocean crystallization

Autor: A. Boujibar, Denis Andrault, Nathalie Bolfan-Casanova, Nicolas Trcera, M. Ali Bouhifd

Publikováno v: The American Mineralogist
The American Mineralogist, 2016, 101 (7), pp.1560-1570. ⟨10.2138/am-2016-5561⟩
American Mineralogist
American Mineralogist, Mineralogical Society of America, 2016, 101 (7), pp.1560-1570. ⟨10.2138/am-2016-5561⟩

Using large volume press, samples of bridgmanites (Bg) in equilibrium with both silicate melt and liquid Fe-alloy were synthesized to replicate the early period of core-mantle segregation and magma ocean crystallization. We observe that the Fe partit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46aeb7c03f8a04908208b6398158c819
https://uca.hal.science/hal-01637061

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Experimental high pressure and high temperature study of the incorporation of uranium in Al-rich CaSiO3 perovskite

Autor: Denis Andrault, Nathalie Bolfan-Casanova, Steeve Gréaux, M. Ali Bouhifd, Nicolas Guignot, Laurent Gautron

Publikováno v: Physics of the Earth and Planetary Interiors
Physics of the Earth and Planetary Interiors, Elsevier, 2009, 174, pp.254-263. ⟨10.1016/j.pepi.2008.06.010⟩
Physics of the Earth and Planetary Interiors, 2009, 174, pp.254-263. ⟨10.1016/j.pepi.2008.06.010⟩

The high ability of the Al-rich CaSiO 3 perovskite to contain large amounts of uranium (up to 4 at.% U) has been studied up to 54 GPa and 2400 K, using laser-heated diamond anvil cell (LH-DAC) and up to 18 GPa and 2200 K using a multi-anvil press (MA

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::212fd367e139ce105e2391938f2eaa20
https://doi.org/10.1016/j.pepi.2008.06.010

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AMORPHOUS MATERIALS: PROPERTIES, STRUCTURE, AND DURABILITY: The viscosity of hydrous NaAlSi3O8 and granitic melts: Configurational entropy models

Autor: P. Richet, M. Ali Bouhifd, Alan G. Whittington

Publikováno v: American Mineralogist. 94:1-16

We used configurational entropy theory to model the viscosity (η) of hydrous melts of NaAlSi 3 O 8 , haplogranite (SiO 2 -KAlSi 3 O 8 -NaAlSi 3 O 8 ), and complex (natural) granite composition from available measurements and recently published confi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::59eef57a43b01bf76868c466e2be3b5c
https://doi.org/10.2138/am.2009.2892

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Aluminium control of argon solubility in silicate melts under pressure

Autor: Andrew P. Jephcoat, M. Ali Bouhifd

Publikováno v: Nature. 439:961-964

Understanding of the crystal chemistry of the Earth's deep mantle has evolved rapidly recently with the gradual acceptance of the importance of the effect of minor elements such as aluminium on the properties of major phases such as perovskite1,2,3.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::21ae67ba1ee780afe100a0ccb502efab
https://doi.org/10.1038/nature04583

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Redox state, microstructure and viscosity of a partially crystallized basalt melt

Autor: Pascale Besson, Pascal Richet, Jannick Ingrin, Mathieu Roskosz, M. Ali Bouhifd

Publikováno v: Earth and Planetary Science Letters. 218:31-44

As measured in air above the glass transition range, the viscosity of an alkali basalt increases markedly with time by about two orders of magnitude in 12 h. This effect is essentially physical and due to the presence of microcrystals although partia

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4bf8be56cc2abe5db40a270bbffd8982
https://doi.org/10.1016/s0012-821x(03)00641-1

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