Razvan Caracas

Researcher - Centre for planetary habitability

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Email razvan.caracas@geo.uio.no

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Visiting address Sem Sælands vei 2A ZEB-bygget 0371 Oslo

Postal address Postboks 1028 Blindern 0316 Oslo

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My research ....

... spans a wide range of interests in planetary mineralogy, going from the supercritical state that dominated the early stages of the condensation of the protolunar disk all the way to the deep interior of the Earth and super-Earths, passing through planetary surfaces and mineral identification based on vibrational spectroscopy. My preferred tools are computational, as density-functional theory, lattice dynamics, and molecular-dynamics.

Caracas, Razvan (2024). The thermal equation of state of the magma Ocean. Earth and Planetary Science Letters. ISSN 0012-821X. 637. doi: 10.1016/j.epsl.2024.118724.
Figowy, Sarah Margaux; Mohn, Chris Erik & Caracas, Razvan (2024). Noble gas migration in silica polymorphs at Earth's mantle conditions. Earth and Planetary Science Letters. ISSN 0012-821X. 633. doi: 10.1016/j.epsl.2024.118637.
Farsang, Stefan; Caracas, Razvan; Adachi, Takuji B.M.; Schnyder, Cédric & Zajacz, Zoltán (2023). S ·<inf>3</inf>radicals and the S·<sup>2</sup><inf>4</inf>polysulfide ion in lazurite, haöyne, and synthetic ultramarine blue revealed by resonance Raman spectroscopy. American Mineralogist. ISSN 0003-004X. 108(12), p. 2234–2243. doi: 10.2138/am-2022-8655.
Davis, Anne Hope; Solomatova, Natalia; Caracas, Razvan & Campbell, Andrew (2023). Carbon storage in Earth's deep interior implied by carbonate-silicate-iron melt miscibility. Geochemistry Geophysics Geosystems. ISSN 1525-2027. 24(8). doi: 10.1029/2023GC010896. Full text in Research Archive
Charnoz, Sébastien; Falco, Aurélien; Tremblin, Pascal; Sossi, Paolo; Caracas, Razvan & Lagage, Pierre-Olivier (2023). The effect of a small amount of hydrogen in the atmosphere of ultrahot magma-ocean planets: Atmospheric composition and escape. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 674. doi: 10.1051/0004-6361/202245763. Full text in Research Archive
Solomatova, Natalia V. & Caracas, Razvan (2023). Earth’s volatile depletion trend is consistent with a high-energy Moon-forming impact. Communications Earth & Environment. ISSN 2662-4435. 4. doi: 10.1038/s43247-023-00694-9. Full text in Research Archive
Ozgurel, Ozge & Caracas, Razvan (2023). The magma ocean was a huge helium reservoir in the early Earth. Geochemical Perspectives Letters. ISSN 2410-339X. 25, p. 46–50. doi: 10.7185/geochemlet.2314. Full text in Research Archive
Caracas, Razvan & Stewart, Sarah T. (2023). No magma ocean surface after giant impacts between rocky planets. Earth and Planetary Science Letters. ISSN 0012-821X. 608. doi: 10.1016/j.epsl.2023.118014.
Baziotis, Ioannis; Xydous, Stamatios; Papoutsa, Angeliki; Hu, Jinping; Ma, Chi & Klemme, Stephan [Show all 10 contributors for this article] (2022). Jadeite and related species in shocked meteorites: Limitations on inference of shock conditions. American Mineralogist. ISSN 0003-004X. 107(10), p. 1868–1877. doi: 10.2138/am-2022-8220.
Hernandez, Jean-Alexis; Caracas, Razvan & Labrosse, Stéphane (2022). Stability of high-temperature salty ice suggests electrolyte permeability in water-rich exoplanet icy mantles. Nature Communications. ISSN 2041-1723. 13. doi: 10.1038/s41467-022-30796-5. Full text in Research Archive
Solomatova, Natalia V.; Caracas, Razvan; Bindi, Luca & Asimow, Paul D. (2022). Ab initio study of the structure and relative stability of MgSiO<inf>4</inf>H<inf>2</inf>polymorphs at high pressures and temperatures. American Mineralogist. ISSN 0003-004X. 107(5), p. 781–789. doi: 10.2138/am-2021-7937.
Bögels, T.F.J. & Caracas, Razvan (2022). Critical point and supercritical regime of MgO. Physical review B (PRB). ISSN 2469-9950. 105(6). doi: 10.1103/PhysRevB.105.064105. Full text in Research Archive
Davis, Anne; Solomatova, Natalia V.; Campbell, Andrew & Caracas, Razvan (2022). The speciation and coordination of a deep Earth carbonate-silicate-metal melt. Journal of Geophysical Research (JGR): Solid Earth. ISSN 2169-9313. 127(3). doi: 10.1029/2021JB023314. Full text in Research Archive
Li, Zhi & Caracas, Razvan (2021). Thermophysical properties of hot fluid iron in the protolunar disk. Physics of the Earth and Planetary Interiors. ISSN 0031-9201. 321. doi: 10.1016/j.pepi.2021.106806. Full text in Research Archive
Solomatova, Natalia V. & Caracas, Razvan (2021). Genesis of a CO2-rich and H2O-depleted atmosphere from Earth’s early global Magma ocean. Science Advances. ISSN 2375-2548. 7(41). doi: 10.1126/sciadv.abj0406. Full text in Research Archive
Li, Zhi; Winisdoerffer, Christophe; Soubiran, Francois & Caracas, Razvan (2021). Ab initio Gibbs ensemble Monte Carlo simulations of the liquid–vapor equilibrium and the critical point of sodium. Physical Chemistry, Chemical Physics - PCCP. ISSN 1463-9076. 23(1), p. 311–319. doi: 10.1039/d0cp04158k. Full text in Research Archive
Caracas, Razvan; Kobsch, Anaïs; Solomatova, Natalia V.; Li, Zhi; Soubiran, Francois & Hernandez, Jean-Alexis Robert (2021). Analyzing Melts and Fluids from Ab Initio Molecular Dynamics Simulations with the UMD Package. Journal of Visualized Experiments. ISSN 1940-087X. 2021(175). doi: 10.3791/61534.
Solomatova, Natalia; Caracas, Razvan & Cohen, Ronald (2020). Carbon Speciation and Solubility in Silicate Melts. In Manning, Craig E.; Lin, Jung‐Fu & Mao, Wendy L. (Ed.), Carbon in Earth's Interior. John Wiley & Sons. ISSN 9781119508229. p. 179–194. doi: 10.1002/9781119508229. Full text in Research Archive
Solomatova, Natalia & Caracas, Razvan (2020). Buoyancy and Structure of Volatile‐Rich Silicate Melts. Journal of Geophysical Research (JGR): Solid Earth. ISSN 2169-9313. doi: 10.1029/2020JB021045.
Stewart, Sarah T.; Davies, Erik; Duncan, Megan & Caracas, Razvan (2020). The shock physics of giant impacts: Key requirements for the equations of state. AIP Conference Proceedings. ISSN 0094-243X. 2272(1). doi: 10.1063/12.0000946.
Kobsch, Anaïs & Caracas, Razvan (2020). The Critical Point and the Supercritical State of Alkali Feldspars: Implications for the Behavior of the Crust During Impacts. Journal of Geophysical Research (JGR): Space Physics. ISSN 2169-9380. 125(9). doi: 10.1029/2020JE006412. Full text in Research Archive
Li, Zhi; Caracas, Razvan & Soubiran, François (2020). Partial core vaporization during Giant Impacts inferred from the entropy and the critical point of iron. Earth and Planetary Science Letters. ISSN 0012-821X. 547. doi: 10.1016/j.epsl.2020.116463. Full text in Research Archive
Panero, Wendy & Caracas, Razvan (2020). Stability and Solid Solutions of Hydrous Alumino-Silicates in the Earth’s Mantle. Minerals. ISSN 2075-163X. 10. doi: 10.3390/min10040330. Full text in Research Archive
Solomatova, NV & Caracas, Razvan (2019). Pressure‐induced coordination changes in a pyrolitic silicate melt from ab initio molecular dynamics simulations. Journal of Geophysical Research (JGR): Solid Earth. ISSN 2169-9313. 124(11), p. 11232–11250. doi: 10.1029/2019JB018238.
Solomatova, NV; Caracas, Razvan & Manning, CE (2019). Carbon sequestration during core formation implied by complex carbon polymerization. Nature Communications. ISSN 2041-1723. 10. doi: 10.1038/s41467-019-08742-9.
Martin, A; Torrent, M & Caracas, Razvan (2019). Projector augmented-wave formulation of response to strain and electric-field perturbation within density functional perturbation theory. Phys. Rev. B 99, 094112. Physical review B (PRB). ISSN 2469-9950. 99(9). doi: 10.1103/PhysRevB.99.094112.
Caracas, Razvan; Hirose, Kei; Nomura, Ryuichi & Ballmer, Maxim D. (2019). Melt–crystal density crossover in a deep magma ocean. Earth and Planetary Science Letters. ISSN 0012-821X. 516, p. 202–211. doi: 10.1016/j.epsl.2019.03.031. Full text in Research Archive

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Figowy, Sarah Margaux; Mohn, Chris Erik & Caracas, Razvan (2023). Diffusion of noble gases in silica polymorphs at Earth's mantle conditions.
Mohn, Chris Erik & Caracas, Razvan (2023). Lower mantle rehydration and core-mantle water exchanges from ab initio proton diffusivity in bridgmanite and post-perovskite.
Caracas, Razvan; Mohn, Chris Erik & Zhi, Li (2023). Predicting HP-HT Earth and Planetary Materials . SpringerPlus. ISSN 2193-1801. doi: 10.1007/978-3-031-28805-0_6.
Caracas, Razvan; Solomatova, NV & Trønnes, Reidar G (2019). Buoyancy of dry and volatile-bearing silicate melts in the Earth’s mantle. AGU Fall Meeting Abstr..

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Published Sep. 3, 2018 12:30 PM - Last modified July 3, 2023 11:35 AM

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HIDDEN: Is the Earth’s core the hidden reservoir of noble gases?