Joseph T Mckeown

Group Leader, Metallurgy & Advanced Microscopy
Email: mckeown3@llnl.gov
Phone: +19254221708

Education

  • Ph.D., Materials Science and Engineering, University of California at Berkeley, 2007
  • M.S., Materials Science and Engineering, University of California at Berkeley, 2003
  • B.S., Materials Science and Engineering, University of California at Berkeley, 2000

Research Interests

  • Applying analytical and imaging/diffraction techniques in the transmission electron microscope to issues in materials science and physics
  • Dynamic transmission electron microscopy to study materials phenomena with high spatio-temporal resolution
  • Effects of interfaces on microstructural evolution and materials properties
  • In-situ techniques in the transmission electron microscope to enable studies of materials in gaseous and liquid environments

Professional Memberships

Materials Research Society, 2008-Present

Selected Publications

  1. J.T. McKeown, V.R. Radmilovic, R. Gronsky, and A.M. Glaeser, "Silicide characterization at alumina-niobium interfaces," J. Mater. Sci. 46 [11]: 3969 (2011).
  2. D.P. DePonte, J.T. McKeown, U Weierstall, R.B. Doak, and J.C.H. Spence, "Towards ETEM serial crystallography: diffraction from liquid jets," Ultramicroscopy , in press, doi: 10.1016/j.ultramic.2010.11.036 (2010).
  3. J.D. Sugar, J.T. McKeown, V.R. Radmilovic, A.M. Glaeser, and R. Gronsky, "Encapsulation-induced stabilization of dimensionally restricted metallic-alloy wires," Acta Mater. 58 5332 (2010).
  4. J.T. McKeown and J.C.H. Spence, "The kinematic convergent-beam electron diffraction method for nanocrystal structure determination," J. Appl. Phys. 106 [7] 074309 (2009).
  5. J.D. Sugar, J.T. McKeown, V.R. Radmilovic, A.M. Glaeser, and R. Gronsky, "Spatially confined alloy single crystals for model studies of volumetrically constrained phase transformations," Appl. Phys. Lett. 89 [17] 173102 (2006).
  6. J.T. McKeown, J.D. Sugar, R. Gronsky, and A.M. Glaeser, "Effects of impurities on alumina-niobium interfacial microstructures," Mater. Charact. 57 [1] 50 (2006).
  7. J.T. McKeown, J.D. Sugar, R. Gronsky, and A.M. Glaeser, "Processing of alumina-niobium interfaces via liquid-film-assisted joining," Welding J. 84 [3] 41-s (2005).
  8. J.D. Sugar, J.T. McKeown, R.A. Marks, and A.M. Glaeser, "Liquid-film assisted formation of alumina/niobium interfaces," J. Am. Ceram. Soc. 85 [10] 2523 (2002).
  9. J. McKeown, A. Misra, H. Kung, R.G. Hoagland, and M. Nastasi, "Microstructures and strength of nanoscale Cu-Ag multilayers," Scr. Mater. 46 [8] 593 (2002).