研究方向

REE isotope geo/cosmochemistry

研究兴趣

Early solar system evolution, critical metal ore formation, volatility-controlled processes, paleoredox proxies, lunar and asteroidal regolith gardening, refractory inclusions, cosmic ray exposure effects, NRIXS, double-spike approach, MC-ICP-MS.

专利

Fluoropolymer Pneumatically/Hydraulically Actuated Liquid Chromatographic System for Use with Harsh Reagents, US 2015/0008171 A1 (OrLab Chromatography LLC), filed Jul. 8, 2014, and issued Feb. 6, 2018.

发表文献

[19] Nie, N.X., Shahar, A., Ni, P., Carlson, R.W., Shirey, S.B., Sio, C.K., Hu, J.Y., Regula, A., Prissel, K., Hu, M.Y., Zhao, J, Lavina, B., and Alp, E.E. (2025). Equilibrium Fe isotope fractionation between olivine, pyroxene, spinel and MORB glass: Implications for mantle partial melting to generate MORBs, GCA.

[18] Hu, J.Y., Tissot, F.L.H., Marquez, R.T.C., Shorttle, O., Clarke, C.J., Sellek, A.D., Dauphas, N., Charlier, B.L.A., Leya, I., Yokochi, R., Ireland, T.J., and Williams, H.M. (2025). Rare Earth Element Nucleosynthetic Anomalies and Dust Transport in the Protoplanetary Disk. Sci. Adv., 11, eadv3148.

[17] Hu, J.Y., Leya, I., Dauphas, N., Rae, A.S.P., and Williams, H.M. (2024). Constraints on Lunar Regolith Resurfacing from Coupled Modeling of Stochastic Gardening and Neutron Capture Effects. GCA, 375, 201-216.

[16] Hu, J.Y., Dauphas, N., Tissot, F.L.H., Yokochi, R., Ireland, T.J., and Williams, H.M. (2023). Determination of Rare Earth Element Isotopic Composition Using Sample-Standard Bracketing and Double-Spike Approaches. ACS Earth Space Chem, 7, 2222-2238.

[15] Hu, J.Y., Dauphas, N., Nie, N.X., Roskosz, M., Chen, X., Heard, A.W., Zhang, Z.J., Zeng, H., Alp, E.E., Hu, M.Y., and Zhao, J. (2023). Equilibrium Fractionation of REE Isotopes in Nature: Insights from NRIXS and DFT Studies of Eu and Dy Phonon Density of States. GCA, 348, 323-339.

[14] Heard, A.W., Dauphas, N., Hinz, I.L., Johnson, J.E., Blanchard, M., Alp, E.E., Hu, M.Y., Zhao, J., Lavina, B., Fornace, M.E., Hu, J.Y., Roskosz, M., Sio, C.K.I, Nie, N.X., and Baptiste, B. (2023). Isotopic Constraints on the Nature of Primary Precipitates in Archean–Early Paleoproterozoic Iron Formations from Determinations of the Iron Phonon Density of States of Greenalite and 2L-and 6L-Ferrihydrite. ACS Earth Space Chem., 7, 712-727.

[13] Nie, N.X., Chen, X.Y., Zhang, Z.J., Hu, J.Y., Liu, W., Tissot, F.L.H., Teng, F-Z., Shahar, A., and Dauphas, N. (2023). Rubidium and potassium isotopic variations in chondrites and Mars: Accretion signatures and planetary overprints. GCA, 344, 207-229.

[12] Roskosz, M., Dauphas, N., Hu, J.Y., Hu, M. Y., Neuville, D. R., Brown, D., Bi, W., Nie, N.X., Zhao, J., and Alp, E.E. (2022). Structural, redox and isotopic behaviors of iron in geological silicate glasses: A NRIXS study of Lamb-Mössbauer factors and force constants. GCA, 321, 184-205.

[11] Dauphas, N., Nie, N. X., Blanchard, M., Zhang, Z. J., Zeng, H., Hu, J.Y., Meheut, M., Visscher, C., Canup, R., and Hopp, T. (2022). The Extent, nature, and origin of K and Rb depletions and isotopic fractionations in Earth, the Moon, and other planetary bodies. PSJ, 3, 29.

[10] Nie, N.X., Chen, X.Y., Hopp, T., Hu, J.Y., Zhang, Z.J., Teng, F.Z., Shahar, A., and Dauphas, N. (2021). Imprint of chondrule formation on the K and Rb isotopic compositions of carbonaceous meteorites. Sci. Adv., 7, eabl3929.

[9] Nie, N.X., Dauphas, N., Hopp, T., Hu, J.Y., Zhang, Z.J., Yokochi, R., Ireland, T.J., and Tissot, F.L.H. (2021). Chromatography purification of Rb for accurate isotopic analysis by MC-ICPMS: a comparison between AMP-PAN, cation-exchange, and Sr resins. JAAS, 36, 2588-2602.

[8] Nie, N., Dauphas, N., Alp, E.E., Zeng, H., Sio, C.K., Hu, J.Y., Aarons, S.M., Zhang, Z., Tian, H., Prissel, K.B., Greer, J., Bi, W., Hu, M.Y., Zhao, J., Shahar, A., Roskosz, M., Teng, F., Krawczynski, M.J., Heck, P.R., and Spear, F.S. (2021). Iron, magnesium, and titanium isotopic fractionations between garnet, ilmenite, fayalite, biotite, and tourmaline: results from NRIXS, ab initio, and study of mineral separates from the Moosilauke metapelite. GCA, 302, 18-45.

[7] Zhang, Z.J., Nie, N.X., Mendybaev, R. A., Liu, M.C., Hu, J.Y., Hopp, T., Alp, E.E., Lavina, B., Bullock, E.S., McKeegan, K.D., and Dauphas, N. (2021). Loss and isotopic fractionation of alkali elements during diffusion-limited evaporation from molten silicate: theory and experiments. ACS Earth Space Chem., 5, 755-784.

[6] Hu, J.Y., Dauphas N., Tissot F.L.H., Yokochi R., Ireland T.J., Zhang J.Z., Davis A.M., Ciesla F.J., Grossman L., Charlier B.L.A., Alp E.E., Hu M.Y., and Zhao J. (2021). Heating events in the nascent solar system recorded by rare earth element isotopic fractionation in refractory inclusions. Sci. Adv., 7, eabc2962.

[5] Dauphas N., Hu M.Y., Baker E.M., Hu J.Y., Tissot F.L.H., Alp E.E., Roskosz M., Zhao J., Bi W., Liu J., Lin J-F., Nie N., and Heard A. (2018). SciPhon: a data analysis software for nuclear resonant inelastic X-ray scattering with applications to Fe, Kr, Sn, Eu and Dy. J. Synchrotron Radiat., 25, 1581-1599.

[4] Davis, A.M., Zhang, J., Greber, N.D., Hu, J.Y., Tissot, F.L.H., and Dauphas, N. (2018). Titanium isotopes and rare earth patterns in CAIs: evidence for thermal processing and gas-dust decoupling in the protoplanetary disk. GCA, 221, 275-295.

[3] Hu, J.Y. and Dauphas, N. (2017). Double-spike data reduction in the presence of isotopic anomalies. JAAS, 32, 2024-2033.

[2] Liu, J., Dauphas, N., Roskosz, M., Hu, M., Yang, H., Bi, W., Zhao, J., Alp, E.E., Hu, J.Y., and Lin, J. (2017). Iron isotopic fractionation between silicate mantle and metallic core at high pressure. Nat. Commun., 8, 1-6.

[1] Chen, S., Liu, Y., Hu, J.Y., Zhang, Z., Hou, Z., Huang, F., and Yu, H. (2016). Zinc isotopic Compositions of NIST SRM 683 and whole‐rock reference materials. Geostand Geoanal Res., 40, 417-432.