Search Results - "Jeanloz, Raymond"

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    Hydrodynamic instability at impact interfaces and planetary implications by Ravid, Avi, Citron, Robert I., Jeanloz, Raymond

    Published in Nature communications (08-04-2021)
    “…Impact-induced mixing between bolide and target is fundamental to the geochemical evolution of a growing planet, yet aside from local mixing due to jetting –…”
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    Phase Transformations and Metallization of Magnesium Oxide at High Pressure and Temperature by McWilliams, R. Stewart, Spaulding, Dylan K., Eggert, Jon H., Celliers, Peter M., Hicks, Damien G., Smith, Raymond F., Collins, Gilbert W., Jeanloz, Raymond

    “…Magnesium oxide (MgO) is representative of the rocky materials comprising the mantles of terrestrial planets, such that its properties at high temperatures and…”
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    Seismic anisotropy in the Earth's innermost inner core: Testing structural models against mineral physics predictions by Romanowicz, Barbara, Cao, Aimin, Godwal, Budhiram, Wenk, Rudy, Ventosa, Sergi, Jeanloz, Raymond

    Published in Geophysical research letters (16-01-2016)
    “…Using an updated data set of ballistic PKIKP travel time data at antipodal distances, we test different models of anisotropy in the Earth's innermost inner…”
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    Local structure of molten AuGa2 under pressure: Evidence for coordination change and planetary implications by Kalkan, Bora, Godwal, Budhiram, Raju, Selva Vennila, Jeanloz, Raymond

    Published in Scientific reports (01-05-2018)
    “…In situ x-ray diffraction measurements and inverse Monte Carlo simulations of pair distribution functions were used to characterize the local structure of…”
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    Fluid helium at conditions of giant planetary interiors by Stixrude, Lars, Jeanloz, Raymond

    “…As the second most-abundant chemical element in the universe, helium makes up a large fraction of giant gaseous planets, including Jupiter, Saturn, and most…”
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    Stability of iron crystal structures at 0.3–1.5 TPa by Godwal, B.K., González-Cataldo, F., Verma, A.K., Stixrude, Lars, Jeanloz, Raymond

    Published in Earth and planetary science letters (01-01-2015)
    “…Ab initio molecular dynamics simulations carried out for tetragonal and orthorhombic distortions of iron closely follow the results of static-lattice…”
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    Achieving High-Density States through Shock-Wave Loading of Precompressed Samples by Jeanloz, Raymond, Celliers, Peter M., Collins, Gilbert W., Eggert, Jon H., Lee, Kanani K. M., McWilliams, R. Stewart, Brygoo, Stéphanie, Loubeyre, Paul

    “…Materials can be experimentally characterized to terapascal pressures by sending a laser-induced shock wave through a sample that is precompressed inside a…”
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    Pressure-induced structural transition of CdxZn1−xO alloys by Chen, Yabin, Zhang, Shuai, Gao, Weiwei, Ke, Feng, Yan, Jinyuan, Saha, Bivas, Ko, Changhyun, Suh, Joonki, Chen, Bin, Ager, Joel W., Walukiewicz, Wladek, Jeanloz, Raymond, Wu, Junqiao

    Published in Applied physics letters (11-04-2016)
    “…CdxZn1−xO alloys, as a transparent conducting oxide, have recently attracted much attention for potential optoelectronic applications. In this letter, we…”
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    Calibrating experiments at atom-crushing pressures by Jeanloz, Raymond

    “…Shockless compression of platinum and gold provides pressure standards to >1 terapascal Experimentalists can now generate terapascal pressures in the…”
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    Sediments at the Top of Earth's Core by Buffett, Bruce A., Garnero, Edward J., Jeanloz, Raymond

    “…Unusual physical properties at the core-mantle boundary have been inferred from seismic and geodetic observations in recent years. We show how both types of…”
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    Tetragonal structure of CaSiO3 perovskite above 20 GPa by Shim, Sang-Heon, Jeanloz, Raymond, Duffy, Thomas S.

    Published in Geophysical research letters (01-12-2002)
    “…High‐resolution synchrotron X‐ray diffraction measurements were performed at 20–46 GPa on CaSiO3 perovskite (Ca‐pv) synthesized in a laser heated diamond cell…”
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    High-pressure alloying of potassium and iron: Radioactivity in the Earth's core? by Lee, Kanani K. M., Jeanloz, Raymond

    Published in Geophysical research letters (01-12-2003)
    “…High‐resolution x‐ray diffraction provides evidence that potassium (K) alloys with iron (Fe) when the two pure elements are heated together at pressures above…”
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    High-pressure transformation of Al2O3 by FUNAMORI, N, JEANLOZ, R

    “…X-ray diffraction measurements indicate that ruby ([Cr.sup.3+] doped [Alpha]-[Al.sub.2O.sub.3]) transforms to the [Rh.sub.2O.sub.3] (II) Structure when heated…”
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    Earth's Core-Mantle Boundary: Results of Experiments at High Pressures and Temperatures by Knittle, Elise, Jeanloz, Raymond

    “…Laboratory experiments document that liquid iron reacts chemically with silicates at high pressures (≥2.4 × 10$^{10}$ Pascals) and temperatures. In particular,…”
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