R. Lee Leonard

R. Lee Leonard

Research Associate Professor

Contact:

Dept. of Mechanical Aerospace and Biomedical Engineering
The University of Tennessee, Space Institute
411 B.H. Goethert Parkway, MS 21
Tullahoma, TN 37388

Phone: (931) 393-7540
Email: rleonard@utsi.edu

Education

  • 2015 – Ph.D., Biomedical Engineering, University of Tennessee, Knoxville
  • 2010 – MS, Materials Science and Engineering, University of Tennessee, Knoxville
  • 1995 – BS, Mechanical Engineering, Tennessee Technological University, Cookeville

Professional Experience

  • 2015-Present – Research Assistant Professor, Department of Mechanical, Aerospace, and Biomedical Engineering, University of Tennessee Space Institute, Tullahoma, TN
  • 2011-2015 – Research Associate, Department of Mechanical, Aerospace, and Biomedical Engineering, University of Tennessee Space Institute, Tullahoma, TN
  • 2009-2010 – Graduate Research Assistant, Department of Materials Science and Engineering, University of Tennessee Space Institute, Tullahoma, TN
  • 1996-2008 – Project/Tooling Engineer, Walker Die Casting, Inc., Lewisburg, TN

Research Interests

  • Ceramics, Glasses, and Glass ceramics
  • Luminescent Materials
  • X-ray and Neutron Radiography
  • Thin Films
  • Ion Batteries
  • Functionalized Nanoparticles

Honors/Affiliations

  • Member of the American Ceramic Society, 2012 – present
  • Awarded Wiley Student Reporter Scholarship, 2012
  • Member of Tau Beta Pi, 1995-present

Select Publication

  • Bond, C., et al., Pulsed Laser Deposition of Transparent Fluoride Glass. Journal of Noncrystalline Solids, (accepted for publication)
  • Johnson, J.A and Leonard R.L., Scintillator Glasses, a book chapter in The Springer Handbook of Glass, Handbook Section: Optical and Photonic Applications, (accepted for publication)
  • Evans, A., et al., The effect of trivalent iron on the properties of fluorochlorozirconate glass ceramics. Journal of Noncrystalline Solids, 2018. 484: p. 8-13.
  • Loos, M., et al., Concentration-dependent luminescence and energy transfer in doped borate and fluorozirconate glasses, Journal of Luminescence, 2017. 187: p. 298-303.
  • Leonard, R.L., et al., The effects of sodium fluoride content on the properties of fluorochlorozirconate glass-ceramic storage phosphors. Journal of the American Ceramic Society, 2017. 100(4): p. 1551-1560.
  • Johnson, J.A. et al., Chapter 3 – Glass Ceramic Scintillators, in: Nanocomposite, Ceramic, and Thin Film Scintillators (First Edition), Pan Stanford Publishing, Singapore, 2017, pp. 79-106.
  • Loos, S., et al., Temperature-dependent luminescence of Tb3+ and Eu3+ single-doped glasses for LED applications. Physica Status Solidi (c), 2015
  • Johnson, J.A., Leonard R.L., Lubinsky A.R., Schweizer S., Opportunities for Fluorochlorozirconate and Other Glass-Ceramic Detectors in Medical Imaging Devices. Journal of Biomedical Technology and Research. published online: June 2015
  • Leonard, R.L., et al., Evaluation of a Fluorochlorozirconate Glass-Ceramic Storage Phosphor Plate for Gamma-Ray Computed Radiography. Journal of the American Ceramic Society, 2015. 98(8): p. 2541-2547.
  • Alvarez, C.J., et al., Structural and Kinetic Analysis of BaCl2 Nanocrystals in Fluorochlorozirconate Glass-Ceramics. Journal of the American Ceramic Society, 2015. 98(4): p. 1099-1104.
  • Johnson, J.A. et al., Book Chapter: Glass Ceramic Scintillators. Accepted by Pan Stanford Publishing, 2013.
  • Alvarez, C.J., et al., Nanocrystallization in Fluorochlorozirconate Glass-Ceramics. Journal of the American Ceramic Society, 2013. 96(11): p. 3617-3621.
  • Leonard, R.L., et al., Rare Earth Doped Downshifting Glass Ceramics for Photovoltaic Applications. Journal of Non-Crystalline Solids, 2013. 366: p. 1-5.
  • Leonard, R.L., et al., Protective Coatings for Enhanced Performance in Biomedical Applications. Surface Engineering, 2012. 28(7): p. 473-479.
  • Leonard, R.L., et al., Antifog Coating for Bronchoscope Lens. Surface Engineering, 2012. 28(6): p. 468-472.

Presentations – Conference

  • Antifogging Diamond-like Carbon Coatings for Laparoscopic Lenses.
    Adam W. Evans, Russell Lee Leonard, Jacqueline Johnson
    42nd International Conference and Expo on Advanced Ceramics and Composites (Daytona Beach, USA; January 2018). Invited.
  • Gamma-Ray Imaging Enhancement using Nanoscience. Russell Lee Leonard, Julie King, Jacqueline Johnson, and Stefan Schweizer. 38th International Conference and Expo on Advanced Ceramics and Composites (Daytona Beach, USA; January 2014)
  • X-Ray Imaging Enhancement with Glass Ceramic Plates. Jacqueline Johnson, Lee Leonard, Sharon Gray, Christian Paßlick, Carlos Alvarez, Stefan Schweizer and Amanda Petford‐Long. Innovations in Biomedical Materials 2012 (Raleigh, NC, USA; September 2012)
  • Synthesis and Characterization of Diamond-like Carbon Films for Biomedical Applications. R. L. Leonard, S. A. Hassan, A. Terekhov, R. A. Erck, J. A. Dickerson, and J. A. Johnson Materials Science & Technology 2010 Conference and Exhibition (Houston, TX; October 2010)
  • Synthesis and Characterization of Diamond-like Carbon Films for Biomedical Applications. Russell Lee Leonard and Jacqueline Johnson. Comparative & Experimental Medicine and Public Health Research Symposium (Knoxville, TN; June 2010)

Contributed Lectures

  • Optimization of Borate Silica Glass Ceramics doped with Rare Earths for Fast Neutron Scintillation
    Julie E. King, Jaqueline .A. Johnson, Adam W. Evans, and Russell L. Leonard
    CerSJ-GOMD Joint Symposium on Glass Science and Technologies. Kyoto, Japan
  • γ-ray and neutron imaging enhancement using nanoscience (2016)
    Jacqueline A. Johnson and Russell Lee Leonard.
    40th International Conference and Expo on Advanced Ceramics and Composites. Daytona Beach, USA
  • Computed Radiography using a Fluorochlorozirconate Glass-Ceramic Storage Phosphor Plate (2016).
    Jacqueline A. Johnson and Russell L. Leonard.
    Seminar: Tennessee Technological University, Cookeville, TN, USA.
  • Glasses doped with trivalent rare-earth ions as photon downshifters for photovoltaic applications (2016).
    Franziska Steudel, Sebastian Loos, Bernd Ahrens, Russell L. Leonard, Jacqueline A. Johnson and Stefan Schweizer.
    Materials Challenges in Alternative & Renewable Energy 2016, Clearwater Beach, USA.
  • Computed radiography at keV and MeV energies using glass-ceramic imaging plates.
    Adam Evans, Alex Moses, Lloyd Arrowood, Rick Lubinsky, Lee Leonard and Jacqueline Johnson
    DGG – ACerS GOMD (Madison, USA May 2016)
  • Computed Radiography with Glass Ceramic Imaging Plates. Jacqueline A. Johnson, Russell Lee Leonard, Sharon Gray, Richard Lubinsky, Richard Weber; and Stefan Schweizer. 39th International Conference and Expo on Advanced Ceramics and Composites (Daytona Beach, FL, USA; January 2015).
  • In situ Techniques to Characterize Glass Ceramics. Jacqueline Anne Johnson, Russell lee Leonard, Carlos Alvarez, Amanda Petford-Long. Materials Science & Technology 2015, (Columbus, OH, USA; 2015).
  • The Effect of Trivalent Iron on the Properties of Fluorochlorozirconate Glass Ceramics. Adam Evans, Jason Hah, Russell Leonard, Charles Johnson and Jacqueline A. Johnson. DGG – ACerS GOMD (Miami, FL, USA, May 2015).
  • Gamma-Ray CR using an FCZ Glass-Ceramic Storage Phosphor Plate. R.L. Leonard, S.K. Gray, C.J. Alvarez, A.K. Moses, L.F. Arrowood, A.R. Lubinsky, A.K. Petford-Long and J.A. Johnson. Consolidated Nuclear Security LLC, MOU signing with UT, (Oak Ridge, TN, USA 2014)
  • Nanocrystalization in Fluorochlorozirconate Glasses. Carlos J. Alvarez, R. Lee Leonard, Julie King, Jacqueline A. Johnson, Amanda K. Petford-Long. Argonne National Laboratory Users Meeting (Argonne, USA; 2014)
  • Novel Dental Imaging System. Jacqueline A. Johnson, Sharon K. Gray, Russell L. Leonard and J.K. Richard Weber. Annual Biomedical Engineering Society Conference (BMES) (San Antonio, TX, USA; October 2014).
  • Doped LiSiBaB Neutron Scintillators. J. E. Swafford, R. L. Leonard and J. A. Johnson. University of Tennessee Space Institute 50th Anniversary Celebration (Tullahoma, TN, USA; September 2014).
  • LiSiBaB: Eu (II) Neutron Scintillator. J. King, R. Leonard and J. Johnson. DGG – ACerS GOMD (Aachen, Germany; May 2014).
  • Crystallization in Fluorochlorozirconate Glasses. Carlos Alvarez, Yuzi Liu, Russell L. Leonard, Jacqueline Johnson, and Amanda Petford-Long. Argonne National Laboratory Users Meeting (Argonne, IL, USA; May 2014).
  • X-Ray Imaging Enhancement Using Nanoscience. Jacqueline Johnson, Lee Leonard, Carlos Alvarez, Sharon Gray, Rick Lubinsky, Amanda Petford-Long, Stefan Schweizer and Charles Johnson. 37th International Conference and Expo on Advanced Ceramics and Composites (Daytona Beach, FL, USA; 2013)
  • In Situ Studies of Nanocrystallization in Fluorochlorozirconate Glasses. Carlos Alvarez, Yuzi Liu, Russell L. Leonard, Jacqueline Johnson, and Amanda Petford-Long. Argonne National Laboratory Users Meeting (Argonne, IL, USA; May 2013).
  • Rare-earth doped downshifting glass ceramics for photovoltaic applications. Hien-Yoong Hah, Lee Leonard, Sharon Gray, Charles Johnson and Jacqueline Johnson. 10th Pacific Rim Conference on Ceramic and Glass Technology (San Diego, CA, USA; June 2013).
  • Nanoparticles in Medicine. J. A. Johnson, L. Leonard, C. Alvarez, C. E. Johnson, S. Schweizer, R. Lubinsky, A. Petford-Long, S. Clare and T. Gorgio. 8th Pacific Rim International Conference on Advanced Materials and Processing, (Hilton Waikoloa Village, HI, USA; 2013).
  • Crystallization Studies of ZBLAN Glasses By DSC and In Situ TEM. L. Leonard, C. Foerster, C. Alvarez, A. Petford-Long, R. Weber, C. Paßlick and S. Schweizer.Glass and Optical Materials Division Annual Meeting, American Ceramic Society (St. Louis, MO, USA; May 2012).