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School of Mechanical and Materials Engineering Faculty

John McCloy

John McCloy


  • Ph.D. in Material Science and Engineering, University of Arizona, 2008
  • B.S. in Materials Science & Engineering, Massachusetts Institute of Technology, 1996

Research Interests

  • Nuclear waste forms
  • Radiation effects on materials
  • Magnetic materials and properties
  • Optical ceramics and glasses
  • Electronic transport
  • Sensors

Recognition and Honors

  • Delegate to National Academy of Engineering, Frontiers of Engineering, 2013
  • Delegate to National Academy of Engineering, German-American Frontiers of Engineering, 2015.

Selected Publications

  • Nuclear waste forms:
    • Sjöblom, R., J. Weaver, D. Peeler, J. McCloy, A.A. Kruger, E. Ogenhall, and E. Hjärthner-Holdar, “Vitrified Hillforts as Anthropogenic Analogues for Nuclear Waste Glasses – Project Planning And Initiation,” International Journal of Sustainable Development, 11(6), 897-906 (2016).
    • C. Z. Soderquist, E. C. Buck, J. S. McCloy, M. J. Schweiger, A. A. Kruger, “Formation of Technetium Salts in Hanford Low Activity Waste Glass,” Journal of the American Ceramic Society,
    • J. Weaver, J. McCloy, J. V. Ryan, A. A. Kruger, “Ensuring longevity: Ancient glasses help predict durability of vitrified nuclear waste,” American Ceramic Society Bulletin, 95(4), 18-23 (2016),
    • Y. Shaharyar, J. Cheng, E. Han, A. Maron, J. Weaver#, J. Marcial#, J. McCloy, A. Goel, “Elucidating the effect of iron speciation (Fe2+/Fe3+) on crystallization kinetics of sodium aluminosilicate glasses,” Journal of the American Ceramic Society, 99(7), 2306-2315 (2016).
    • J. Marcial, J. Crum, O. K. Neill, J. S. McCloy, “Nepheline Structural and Chemical Dependence on Melt Composition,” American Mineralogist, 101, 266-276 (2016).
    • B. Riley, J. Vienna, D. Strachan, J. McCloy, J. Jerden Jr., “Materials and Processes for the Effective Capture and Immobilization of Radioiodine: a Review,” Journal of Nuclear Materials, 470, 307-326 (2016).
    • John S. McCloy, Nancy Washton, Paul Gassman, Jose Marcial, Jamie Weaver, Ravi Kukkadapu, “Nepheline crystallization in boron-rich alumino-silicate glasses as investigated by multi-nuclear NMR, Raman, & Mössbauer spectroscopies,” Journal of Non-crystalline Solids, 409, 149-165 (2015).
  • Radiation effects on materials:
    • J. S. McCloy, W. Jiang, W. Bennett, M. Engelhard, J. Lindemuth, N. Parmar#, G. Exarhos, “Electrical and Magnetic Properties Modification in Heavy Ion Irradiated Nanograin NixCo(3-x)O4 Films,” Journal of Physical Chemistry C, 119, 22465-22476 (2015),
    • Maninder Kaur, You Qiang, Carolyn Pearce, John McCloy, “Magnetization measurements and XMCD studies on ion irradiated iron oxide and core-shell iron/iron oxide nanomaterials,” IEEE Transactions on Magnetics, 50(11), 1-5 (2014).
    • Weilin Jiang, Jennifer A. Sundararajan, Tamas Varga, Mark E. Bowden, You Qiang, John S. McCloy, Charles H. Henager, Jr., Robert O. Montgomery “In-situ Study of Nanostructure and Electrical Resistance of Nanocluster Films Irradiated with Ion Beams,” Advanced Functional Materials, 39, 6210-6218 (2014).
  • Magnetic materials and properties:
    • Muad Saleh, Yue Cao, Danny Edwards, Pradeep Ramuhalli, Bradley Johnson, John McCloy, “Effects of Aging Time and Temperature of Fe-1wt.%Cu on Magnetic Barkhausen Noise and FORC,” AIP Advances, 6(5), 055935 (2016).
    • Y. Cao, K. Xu, W. Jiang, T. Droubay, P. Ramuhalli, D. Edwards, B. Johnson, J. McCloy, “Hysteresis in single and polycrystalline iron thin films: major and minor loops, first order reversal curves, and Preisach modeling,” Journal of Magnetism and Magnetic Materials, 395, 361-375 (2015).
    • Y. Li, K. Xu, S. Hu, J. Suter, D. Schreiber, P. Ramuhalli, B. Johnson, J. McCloy, “Computational and Experimental Investigations of Magnetic Domain Structures in Patterned Magnetic Thin Films,” Journal of Physics D, 48 305001 (2015).
  • Optical ceramics and glasses:
  • Electronic transport:
    • Rahman, M.T., J. McCloy, C.V. Ramana, and R. Panat, “Structure, electrical characteristics, and high-temperature stability of aerosol jet printed silver nanoparticle films,” Journal of Applied Physics, 120(7), 075305 (2016).
    • AJ Rettie, WD Chemelewski, J Lindemuth, JS McCloy, LG Marshall, J Zhou, D Emin, CB Mullins “Anisotropic Small-Polaron Hopping in W:BiVO4 Single Crystals,” Applied Physics Letters, 106(2), 022106 (2015).
    • Rettie AJ, HC Lee, LG Marshall, JF Lin, C Capen, J Lindemuth, JS McCloy, J Zhou, AJ Bard, and CB Mullins. “Combined Charge Carrier Transport and Photoelectrochemical Characterization of BiVO4 Single Crystals: Intrinsic Behavior of a Complex Metal Oxide,” Journal of the American Chemical Society, 135[30], 11389-11396 (2013).
  • Sensors:
    • A. M. Jones, J.F. Kelly, J. Tedeschi, and J.S. McCloy, “Design considerations for high-Q bandpass microwave oscillator sensors based upon resonant amplification,” Applied Physics Letters, 104, 253507 (2014).