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Steven Jacobsen


Ph.D. Geophysics; University of Colorado
M.S. Geology; University of Colorado
B.A. Geology; University of Colorado


Jacobsen is a mineralogist who studies the high-pressure physics and chemistry of minerals, glasses and melts in various applications to Earth and planetary science, chemistry, and materials science. Mineral physics utilizes an atomic-scale understanding of composition, structure, and physical properties of materials to interpret global-scale geophysical processes, geochemical cycling, and to investigate potentially useful properties of minerals and new materials for societal applications. Jacobsen is especially interested in the role of water in minerals on the origin and distribution of water in the Earth. In chemistry and materials science, he uses extreme conditions of pressure and temperature to explore new phase space in the design and synthesis of functional materials including superhard materials, novel intermetallics, and materials for operation in extreme environments. Jacobsen currently serves on the CORES Consensus Study Committee at the National Academy of Sciences, a decadal survey for NSF's Division of Earth Sciences, and is Editor of Geophysical Research Letters. 


EARTH 101: Earth Science for the 21st Century
EARTH 300: Earth and Planetary Materials
EARTH 438: Adv. Topics: Mineral Physics

Selected Publications

Anzolini, C., F. Wang, G.A. Harris, A.J. Locock, D. Zhang, F. Nestola, L. Peruzzo, S.D. Jacobsen, and D.G. Pearson (2019) Nixonite, Na2Ti6O13, a new mineral from a metasomatized mantle garnet pyroxenite from the western Rae Craton, Darby kimberlite field, Canada. American Mineralogist 104, 1336-1344. 

Clarke, S.M., K.M. Powderly, J.P.S. Walsh, T. Yu, Y. Wang, Y. Meng, S.D. Jacobsen, and D.E. Freedman (2019) Controlling dimensionality in the Ni-Bi system with pressure. Chemistry of Materials 31, 955-959.

Dalou, C., M.M. Hirschmann, S.D. Jacobsen, and C. Le Losq (in review) Raman spectroscopy study of C-O-H-N speciation in reduced basaltic glasses: implications for reduced planetary mantles. Geochemica et Cosmochimica Acta 265, 32-47.

Klein, R.A., A.B. Altman, R.J. Saballos, J.P.S. Walsh, A.D. Tamerius, Y. Meng, D. Puggioni, S.D. Jacobsen, J.M. Rodinelli, and D.E. Freedman (2019) High-pressure synthesis of the BiVO3 perovskite. Physical Review of Materials 3, 06441. 

Lazarz, J.D., P. Dera, Y. Hu, Y. Meng, C.R. Bina, and S.D. Jacobsen (2019) High-pressure phase transitions of clinoenstatite. American Mineralogist 104, 897-904.  

Liu, X., X. Chen, X. Jia, H.A. Ma, D.J. Singh, R. Stern, J. Wu, S. Petitgirard, C.R. Bina, and S.D. Jacobsen (2019) Boron-oxygen complex yields n-type surface layer in semiconducting diamond. Proceedings of the National Academy of Sciences USA 116, 7703-7711.

Meyer, N.A., M.D. Wenz, J.P.S. Walsh, S.D. Jacobsen, A.J. Locock, and J.W. Harris (2019) Goldschmidtite, (K,REE,Sr)(Nb,Cr)O3: a new perovskite supergroup mineral found in diamond from Koffiefontein, South Africa. American Mineralogist 104, 1345-1350.

Qin, F., X. Wu, S. Qin, D. Zhang, V.B. Prakapenka, and S.D. Jacobsen (2019) Pressure-induced dehydration of dioptase: a single-crystal X-ray diffraction and Raman spectroscopic study. Comptes Rendus Geoscience 351, 121-128.

Shirey, S., Smit, K., Pearson, D., Walter, M., Aulbach, S., Brenker, F., . . . Weiss, Y. (2019). Diamonds and the Mantle Geodynamics of Carbon: Deep Mantle Carbon Evolution from the Diamond Record. In: B. Orcutt, I. Daniel, & R. Dasgupta (Eds.), Deep Carbon: Past to Present (pp. 89-128). Cambridge University Press. doi:10.1017/9781108677950.

Walsh, J.P.S., S.M. Clarke, D. Puggioni, A.D. Tamerius, Y. Meng, J.M. Rondinelli, S.D. Jacobsen, and D.E. Freedman (2019) MnBi2: A metastable high-pressure phase in the Mn-Bi system. Chemistry of Materials 31, 3083-3088.

Wenz, M.D., S.D. Jacobsen, D. Zhang, M. Regier, H.J. Bausch, P. Dera, M. Rivers, P. Eng, S.B. Shirey, and D.G. Pearson (2019) Fast identification of mineral inclusions in diamond at GSECARS using synchrotron X-ray microtomography, radiography, and diffraction. Journal of Synchrotron Radiation 26, 1763-1768.

Zhang, L. J.R. Smyth, T. Kawazoe, S.D. Jacobsen, J. Niu, and X. He (2019) Stability, composition, and crystal structure of Fe-bearing phase E in the transition zone. American Mineralogist 104, 1620-1624.

Complete List of Publications
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