• Accretion and differentiation of Earth and terrestrial planets
• Core segregation, crystallization of magma ocean and mantle-crust differentiation
• Evolution of the oxidation state of terrestrial planets
• Chemical composition of planetary mantles and cores
• Comparative planetology and exoplanets

Publications :

Rang A :

• Boujibar A., Righter K., Fontaine E., Collinet M., Lambart S., Nittler R. L., Pando K. M. (2025). A Pyroxenite mantle on Mercury? Experimental insights from enstatite chondrite melting at pressures up to 5 GPa, Icarus, 437, 116602, DOI: 10.1016/j.icarus.2025.116602. Preprint: https://arxiv.org/abs/2504.10672.

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• Stephan T., Trappitsch R., Hoppe P., Davis A. M., Bose M., Boujibar A., Gyngard F., Hynes K. M., Liu N., Nittler L. R., Ogliore R. C. (2024). The Presolar Grain Database: I. Silicon Carbide, The Astrophysical Journal Supplement Series, 270, 2, DOI: 10.3847/1538-4365/ad1102.

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• Chiama K., Gabor M., Lupini I., Rutledge R., Nord J. A., Zhang S., Boujibar A., Bullock E. S., Walter M. J., Lehnert K., Spear F., Morrison S. M., Hazen R. M. (2023). The secret life of garnets: A comprehensive, standardized dataset of garnet geochemical analyses integrating localities and petrogenesis, Earth System Science Data, 15: 4235–4259, DOI: 10.5194/essd-15-4235-2023.

• Nittler L. R., Boujibar A., Crapster-Pregont E., Frank E. A., McCoy T. J., McCubbin F. M., Starr R. D., Vorburger A., Weider S. Z. (2023). Chromium on Mercury: New results from the MESSENGER X-Ray Spectrometer and implications for the innermost planet’s geochemical evolution, Journal of Geophysical Research: Planets, 128, DOI: 10.1029/2022JE007691.

• Righter K., Boujibar A., Humayun M., Yang S., Rowland II R., Pando K. (2023). Activity model for 36 elements in Fe-Ni-Si-S-C liquids with application to terrestrial planet accretion and mantle geochemistry: new data for Ru, Re, Pt, Os, Ti, Nb, and Ta, Geochimica Cosmochimica Acta, 354:211-228, DOI: 10.1016/j.gca.2023.06.014.

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• Hystad G., Boujibar A., Liu N., Nittler L. R., Hazen R. M. (2022). Evaluation of the classification of pre-solar silicon carbide grains using consensus clustering with resampling methods: An assessment of the confidence of grain assignments, Monthly Notices of the Royal Astronomical Society, 510: 334–350, DOI: 10.1093/mnras/stab3478.

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• Fei Y., Seagle C. T., Townsend J. P., McCoy C. A., Boujibar A., Driscoll P., Shulenburger L., Furnish M. D. (2021). Melting and density of MgSiO3 determined by shock compression of bridgmanite to 1254 GPa, 2021, Nature Communications, 12, 876, DOI: 10.1038/s41467-021-21170-y.

• Boujibar A., Howell S.,  Zhang S.,  Hystad G., Prabhu A.,  Liu N., Stephan T., Narkar S., Eleish A., Morrison, S. M., Hazen R. M., Nittler L. R. (2021). Cluster analysis of presolar silicon carbide grains: evaluation of their classification and astrophysical implications, Astrophysical Journal Letters, 907, L39, DOI: 10.3847/2041-8213/abd102, Preprint.

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• Righter K., Herd C. D., Boujibar A. (2020). Redox processes in early Earth accretion and in terrestrial bodies, Elements, 16: 161-166, DOI: 10.2138/gselements.16.3.161.

• Boujibar A., Driscoll P., Fei Y. (2020). Internal structure, initial heat and magnetic field generation in Super-Earths, Journal of Geophysical Research-Planets, 125: 1-11, DOI: 10.1029/2019JE006124.

• Boujibar A., Righter K., Bullock E., Du Z., Fei Y. (2020). Segregation of Na, K, Rb and Cs into the cores of Earth, Mars and Vesta constrained with partitioning experiments, Geochimica Cosmochimica Acta, 269: 622-638, DOI: 10.1016/j.gca.2019.11.014.

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• Boujibar A., Habermann M., Righter K., Ross D. K., Pando K., Righter M., Chidester B., Danielson L. (2019). U, Th and K partitioning between metal, silicate and sulfide and implications for Mercury’s structure, volatile content and radioactive heat production, American Mineralogist, 104: 1221-1237, DOI: 10.2138/am-2019-7000. 

• Du Z., Boujibar A., Driscoll P., Fei Y. (2019). Experimental constrains on an MgO exsolution-driven geodynamo, Geophysical Research Letters, 46:13, DOI: 10.1029/2019GL083017.

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• Righter K., Pando K., Humayun M., Waeselmann N., Yang S., Boujibar A., Danielson L. (2018). Effect of silicon on activity coefficients of siderophile elements (Au, Pd, Pt, P, Ga, Cu, Zn, and Pb) in liquid Fe: Roles of core formation, late sulfide matte and late veneer in shaping terrestrial mantle geochemistry, Geochimica Cosmochimica Acta, 232:101-123, DOI: 10.1016/j.gca.2018.04.011. 

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• Righter K. Nickodem K., Pando K., Danielson L., Boujibar A., Righter M., Lapen T. (2017). Distribution of Sb, As, Ge, and In between metal and silicate during accretion and core formation in the Earth, Geochimica et Cosmochimica Acta, 198: 1-16, DOI: 10.1016/j.gca.2016.10.045.

• Andrault D., Bolfan-Casanova N., Bouhifd A., Boujibar A., Garbarino G., Manthilake G., Mezouar M., Monteux J., Parisiades P., Pesce G. (2017). Toward a coherent model for the melting behavior of the deep Earth’s mantle. Physics of the Earth and Planetary Interiors vol.265, p.67-81, - DOI:10.1016/j.pepi.2017.02.009 - .
• Bouhifd A., Clesi V., Boujibar A., Bolfan-Casanova N., Cartier C., Hammouda T., Boyet M., Manthilake G., Monteux J., Andrault D. (2017). Silicate melts during Earth's core formation. Chemical Geology vol.461, p.128 - 139, - DOI:10.1016/j.chemgeo.2016.12.035.

• Boujibar A., Bolfan-Casanova N., Andrault D., Bouhifd A., Trcera, N. (2016). Incorporation of Fe2+ and Fe3+ in bridgmanite during magma ocean crystallization. American Mineralogist vol.101, p.1560-1570, - DOI:doi: 10.2138/am-2016-5561.

• Boujibar A., Andrault D., Bolfan-Casanova N., Bouhifd A., Monteux J. (2015). Cosmochemical fractionation by collisional erosion during the Earth’s accretion. Nature Communications vol.6, p.8295, - DOI:10.1038/ncomms9295 |www.nature.com/naturecommunications.

• Boujibar A., Andrault D., Bouhifd A., Bolfan-Casanova N., Devidal J.L., Trcera N. (2014). Metal-silicate partitioning of sulfur, new experimental and thermodynamical constraints on planetary accretion. Earth and Planetary Science Letters 391, 42-54. - DOI:10.1016/j.epsl.2014.01.021.

Rang B et C :

• Normier A., Boujibar A., Boulesteix D., Sivula O., Crawford I., Gros C., Horikami C., Tachibana K., Ali Firaq R., Degrange V., Giammichele N., Léna P., Mazaré N., Nicollier C., Profitiliotis G., Rutunda E., Vakoch D., A call to address humanity’s cosmic footprint, 2025, Nature Astronomy, 9: 934-935, Preprint. 

• Andrault D., Bolfan-Casanova N., Bouhifd A., Boujibar A., Boyet M., Cartier C., Clesi V., Doucelance R., Hammouda T., Laubier M., Manthilake G., Marin-Carbonne J., Martin H., Moine B., Monteux J., Moyen J.F., Paquette J.L. (2017). Environnement de la Terre primitive: Comment construire une planète habitable ? Groupe de Recherche : ''Mécanismes géodynamiques de la Terre primitive''. Revue d'Auvergne vol.262-263, p.7-40.

• Boujibar A., Andrault D., Bolfan-Casanova N., Bouhifd A. (2015). Cosmochemical Fractionation by Collisional Erosion During the Earth’s Accretion. Workshop on Early Solar System Impact Bombardment III, Houston, USA, February 2015.
• Boujibar A., Andrault D., Bolfan-Casanova N., Bouhifd A. (2015). Redox State of the Terrestrial Planets, New Insights into Parental Links with Chondrites. Goldschmidt Conference, Praha, Czech Republic, August.

• Boujibar A., Andrault D., Bolfan-Casanova N., Bouhifd A. (2014). Early cosmochemical fractionation through collisional erosion, a solution to the enstatite chondrite Earth model. Workshop “Accretion and Early Differentiation of the Terrestrial Planets", Nice.

• Boujibar A., Andrault D., Bolfan-Casanova N., Bouhifd A. (2012). Conditions de fO2 très réductrices à très hautes températures en presse à multi-enclumes: application à la cristallisation de l’océan magmatique. Forum du Réseau CNRS des Hautes Pressions, Enval, 22-26 octobre 2012.
• Boujibar A., Andrault D., Bouhifd A., Bolfan-Casanova N., Trcera N. (2012). Metal-silicate Sulfur partitioning and its implication for core formation. AGU Fall Meeting, San Francisco, 3 - 7 December 20.