Sally June Tracy 
Carnegie Institution for Science
Geophysical Laboratory
(202) 478-8955

    Ph.D. Materials Science, California Institute of Technology, 2016
    M.S. Materials Science, California Institute of Technology, 2011
    B.A. Physics, Occidental College, 2008

    Staff Scientist, 2019 – present 
       Geophysical Laboratory, Carnegie Institution for Science

    Postdoctoral, 2016 – 2018
        Geosciences, Princeton University

     Post Baccalaureate, 2008 – 2009
         Materials Science and Technology, Los Alamos National Laboratory

S. J. Tracy, R. F. Smith, J. K. Wicks, D. Fratanduono, C. Bolme, A. Gleason, S. Speziale, K. Appel, V. Prakapenka, A. Fernandez Pañella, H. K. Lee, B. Nagler, A. McKinnon, F. Tavella, J. H. Eggert and T. S. Duffy, High-pressure phase transition in silicon carbide under shock compression using pulsed x-ray diffraction, under review.

S. J. Tracy, S. J. Turneaure and T. S. Duffy, In situ x-ray diffraction of shock compressed fused silica, Phys. Rev. Lett. 120, 135702 (2018).

R. Dutta, S. J. Tracy, C. V. Stan, V. B. Prakapenka, R. J. Cava and T. S. Duffy, Phase Stability of Iron Germanate, FeGeO3, to 127 GPa ,Phys. Chem. Miner. 0342-1791 (2017).

L. Mauger, J. E. Herriman, O. Hellman, S. J. Tracy, M. S. Lucas, J. A. Muñoz, Yuming Xiao, Ji Li and B. Fultz, Phonons and elasticity of cementite through the Curie temperature, Phys. Rev. B 95, 024308 (2017). 

F. C. Yang, J. A. Munoz, O. Hellman, L. Mauger, M. S. Lucas, S. J. Tracy, M. B. Stone, D. L. Abernathy, Yuming Xiao and B. Fultz, Thermally-driven electronic topological transition in FeTi, Phys. Rev. Lett. 117, 076402 (2016).

S. J. Tracy, L. Mauger, H. L. Smith, J. Herriman, H. J. Tan, Y. M. Xiao and B Fultz, Polaron mobility and disordering of the Na sublattice in NaxFePO4, Chem. Mater. 28, 3051 (2016).

S. J. Tracy, L. Mauger, H. J. Tan, J. A. Muñoz, Yuming Xiao, B. Fultz, Polaron-ion correlations in LixFePO4 studied by x-ray nuclear resonant forward scattering at elevated pressure and temperature. Phys. Rev. B 90, 094303 (2014).

L. Mauger, M. S. Lucas, J. A. Muñoz, S. J. Tracy, M. Kresch, Yuming Xiao, Paul Chow, and B. Fultz, Nonharmonic phonons in α-iron at high temperatures. Phys. Rev. B 90, 064303 (2014).

H. L. Smith, B. C. Hornbuckle, L. Mauger, B. Fu, S. J. Tracy, G. B. Thompson, M. S. Lucas, Yuming Xiao, M. Y. Hu, J. Zhao, E. E. Alp, B. Fultz, Changes in vibrational entropy during the early stages of chemical unmixing in fcc Cu–6% Fe. Acta Materialia 61, 7466–7472 (2013).

Chen W. Li, Xiaoli Tang, J. A. Muñoz, J. B. Keith, S. J. Tracy, D. L. Abernathy, and B. Fultz, Structural relationship between negative thermal expansion and quartic anharmonicity of cubic ScF3, Phys. Rev. Lett. 107, 195504 (2011).

G. M. Schmiedeshoff, E. D. Mun, A. W. Lounsbury, S. J. Tracy, E. C. Palm, S. T. Hannahs, J. H. Park, T. P. Murphy, S. L. Bud’ko, and P. C. Canfield, Multiple regions of quantum criticality in YbAgGe, Phys. Rev. B 83, 180408 (2011).

G. M. Schmiedeshoff, A. W. Lounsbury, D. J. Luna, E. W. Okraku, S. J. Tracy, S. L. Bud'ko, and P. C. Canfield, Thermal expansion of the heavy fermion borocarbide YbNi2B2C, J. Phys.: Conf. Ser. 150, 042177 (2009).

G. M. Schmiedeshoff, A. W. Lounsbury, D. J. Luna, S. J. Tracy, A. J. Schramm, S. W. Tozer, V. F. Correa, S. T. Hannahs, T. P. Murphy, E. C. Palm, A. H. Lacerda, S. L. Bud'ko, P. C. Canfield, J. L. Smith, J. C. Lashley, and J. C. Cooley, Versatile and compact capacitive dilatometer, Rev. Sci. Instrum. 77, 123907 (2006).

S. J. Tracy, S. J. Turneaure, K. Swadba and T. S. Duffy, Phase transformations and metastability in quartz under shock compression.

S. J. Tracy, J. K. Wicks, C. V. Stan, W. Bi, E. E. Alp, Y. Xiao, P. Chow and T. S. Duffy, Synchrotron Mössbauer Spectroscopy of (Mg,Fe)GeO3-perovskite.

Mineralogy Lecture Series, Johns Hopkins University, October 2018
European Crystallographic Meeting, August 2018
Gordon Research at High Pressure Conference, July 2018
Carnegie Institute of Washington, Geophysical Laboratory Seminar, May 2018
UC, Berkeley, Dept. of Materials Science and Engineering, February 2018
Lawrence Livermore National Laboratory, Shock Physics Group, October 2017
APS Conference on Shock Compression of Condensed Matter, July 2017
Princeton University, Dept. of Geoscience Solid Earth Seminar, April 2017
The Minerals, Metals & Materials Society Annual Meeting, February 2016
Solid Earth Seminar coordinator – Princeton University,  2017 – 2018           
Graduate student mentor – Princeton Women in Geosciences, 2016 – 2018           
Prison Teaching Initiative – Princeton University, 2017 – 2018
Materials Research Lecture coordinator – California Institute of Technology, 2013 – 2015