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Stephen Paul Willson

Email
Phone (505) 667-8514

Capabilities

  • Biosciences
  • Protein nuclear magnetic resonance (NMR)
  • Chemical Science
  • Analytical chemistry
  • Inorganic chemistry
  • Physical chemistry
  • Radiochemistry
  • Actinide chemistry
  • Transuranics
  • Plutonium
  • Plutonium chemistry
  • Laser-induced breakdown spectroscopy (LIBS)
  • Chemical synthesis
  • Computational chemistry
  • Materials chemistry
  • Materials
  • Ceramics processing
  • Gas/surface interactions and reactions
  • Fundamental understanding of gas phase radiolysis and radiation induced surface chemistry
  • Design of next generation nuclear fuels
  • Weapons Science and Engineering
  • Stockpile stewardship
  • Stockpile surveillance

Expertise

Ph.D. in Chemistry.

Derivative Classifier and UCNI Reviewing Official.

15+ years experience in the LANL plutonium facility.

Experience with various ceramic processing and analysis techniques.

Experienced classroom instructor.

 

Education

1999, Ph.D., Physical Chemistry, University of Virginia; Thesis title: "Infrared Spectroscopic Investigation of the Matrix-Isolated Reaction Products of Molecular O2, N2, NO, and H2 with Laser-Ablated Lanthanide Atoms."; Advisor: Professor Lester Andrews.

 

1994, B. S., Chemistry (minor, Mathematics), The College of William and Mary.

 

LANL Positions

Scientist 3, 2008-2015, PMT-1 / PMT-10 / MET-1

Technical Staff Member, 2005-2008, NMT-16 / MST-16

Technical Staff Member, 2003-2005, NMT-11

Postdoctoral Research Associate, 2001-2003, NMT-11

 

Awards

Los Alamos National Laboratory 2005 Distinguished Performance Award (UN fabrication)

Los Alamos National Laboratory 2009 Distinguished Performance Award (SPR/Aberdeen Plates Disposition)

 

Publications

[Freibert, F.J. * Saleh, T.A. * Hampel, F.G. * Schwartz, D.S. * Mitchell, J.N. * Davis, C.C. * Neuman, A.D. * Willson, S.P. * Dunwoody, J.T.], "Microstructure and thermophysical characterization of mixed oxide fuels", Materials Research Society Symposium Proceedings, Vol.1215, p.61-67, 2010.

[Saleh, T.A. * Luther, E.P. * Safarik, D.J. * Ulrich, T.J. * Byler, D.D. * Freibert, F.J. * Willson, S.P.], "Resonant ultrasound spectroscopy measurements of the elastic properties of uranium and plutonium based oxide fuels", Transactions of the American Nuclear Society, vol.102, p.876, 2010.

[Barefield, James E., II * Judge, Elizabeth J. * Berg, John M. * Willson, Stephen P. * Le, Loan A. * Lopez, Leon N.], "Analysis and Spectral Assignments of Mixed Actinide Oxide Samples Using Laser-Induced Breakdown Spectroscopy (LIBS)", APPLIED SPECTROSCOPY, Vol.67, iss.4, p.433-440, APR 2013.

Willson, S.P.; Margevicius, R. “Fabrication of transuranic actinide nitride ceramic fuel pellets” Transactions of the American Nuclear Society, Volume 91, 451 (2004).

Willson, S.P.; Veirs, D.K.; Baiardo, J.P. “Transuranic actinide reactions with simple gas-phase molecules” AIP Conference Proceedings, 673, 264 (2003).

Van-Quynh, A; Willson, S.; Bryant, RG “Protein reorientation and bound water molecules measured by H-1 magnetic spin-lattice relaxation” Biophysical Journal, Volume 84, 558 (2003).

Willson, S. P.; Andrews, L. "Matrix Isolation Infrared Spectroscopy", Handbook of Vibrational Spectroscopy, J.M. Chalmers and P.R. Griffiths (Eds), John Wiley & Sons, Ltd, Volume 2, pp. 1342 - 1351 (2002).

Victor, K; Van-Quynh, A; Holmes, C; Willson, S.; Bryant, RG “Characterization of DNA and protein dynamics using nuclear magnetic relaxation dispersion” Biophysical Journal, 80, 326A (2001).

Willson, S. P.; Andrews, L. "Characterization of the Reaction Products of Laser-Ablated Lanthanide Metal Atoms with Molecular Hydrogen. Infrared Spectra of LnH, LnH2, LnH3, and LnH4 Molecules in Solid Argon."  J. Phys. Chem. A, 104, 1640 (2000).

Willson, S. P.; Andrews, L.; Neurock, M. "Characterization of the Reaction Products of Laser-Ablated Lanthanide Metal Atoms with Nitric Oxide.  Infrared Spectra of the NLnO Molecules in Solid Argon."  J. Phys. Chem. A, 104, 3446 (2000).

Willson, S. P.; Andrews, L. "Characterization of the Reaction Products of Laser-Ablated Late Lanthanide Metal Atoms with Dinitrogen.  Matrix IR Spectra of LnN, (LnN)2, and Ln(NN)x Molecules." J. Phys. Chem. A 103, 1311 (1999).

Andrews, L.; Kushto, G. P.; Zhou, M. F.; Willson, S. P.; Souter, P. F. "Infrared Spectrum of CCH+ in Solid Argon and Neon."  J. Chem. Phys. 110, 4457 (1999).

Willson, S. P.; Andrews, L. "Characterization of the Reaction Products of Laser-Ablated Early Lanthanide Metal Atoms with Molecular Oxygen. Infrared Spectra of LnO, LnO+, LnO-, LnO2, LnO2+, LnO2-, LnO3-, and (LnO)2 in Solid Argon."  J. Phys. Chem. A, 103, 3171 (1999).

Willson, S. P.; Andrews, L. "Characterization of the Reaction Products of Laser-Ablated Late Lanthanide Metal Atoms with Molecular Oxygen. Infrared Spectra of LnO, LnO+, LnO-, LnO2, LnO2-, LnO3-, and (LnO)2 in Solid Argon."  J. Phys. Chem. A, 103, 6972 (1999).

Willson, S. P.; Andrews, L. "Characterization of the Reaction Products of Laser-Ablated Early Lanthanide Metal Atoms with Dinitrogen.  Infrared Spectra of LnN, LnN2, (LnN)2, and Ln(NN)x Molecules." J. Phys. Chem. A 102, 10238 (1998).

Willson, S. “AFC-1AE As-Built” LA-UR-11-00548 (2011).

Willson, S. “AFC-1G As-Built” LA-UR-11-01655 (2011).

Dunwoody, J.; Mason, R.; Freibert, F.; Willson, S.; Veirs, D. “Interaction Between Stainless Steel and Plutonium Metal”, LA-UR-10-04141 (2010).

Willson, S.; Voit, S.; Dunwoody, J.; Scherer, C.; Lopez, M.; et al. “AFC2-CD As-Built” LA-UR-10-04331 (2010).

Willson, S.; Dunwoody, J.; Lopez, M.; Mason, R.; Luther, E.; et al. “MOX/MAMOX Sintering Studies”, LA-UR-09-05810 (2009).

Willson, S.; Wayne, D.; Mason, R.; Dunwoody, J.; Martinez, D.; et al. “MOX/MAMOX Feed Characteristics”, LA-UR-09-05811 (2009).

Willson, S. P.; Mason, Richard E. "Eutectic Analysis of Ti-6Al-4V with Plutonium and Copper", LA-UR-08-01103 (2008).

Mason, Richard E.; Willson, S. P. “Plutonium Metal Compatibility with Materials of the Ti-6Al-4V Packaging System”, LA-UR-08-07663 (2008).

Willson, S.; Dunwoody, J.; Lopez, M.; Mason, R.; Martinez, D.; et al. “MOX and MAMOX Ceramic Fuel Research and Development” LA-UR-08-06228 (2008).                  

Willson, S.; Mason, R. “FY09 AFCI Advanced Oxide Fuel Development and Test Plan – LANL Plutonium Facility” LA-UR-08-07562 (2008).

Willson, S.; Duncan, S.; Bridgewater, J.; Ward, J.; Reynolds, J. “FTIR Inspection of 117-3699 (u)”, LA-CP-08-01034 (2008).

Willson, S. “Raman and FTIR Experimental Plan for Actinide Surface Chemistry Studies” LA-UR-07-5064 (2007).

Scherer, C.; Willson, S.; Hahn, W.; Bodenstein, S.; Voit, S. “Summary Report for Uranium Nitride Fuel Fabrication at Los Alamos National Laboratory” LA-CP-05-1394 (2005).                     

Voit, S.; Willson, S.; McClellan, K.; Stanek, C.; Dunwoody, J.; et al. “The Design and Production of Nitride Fuels for the AFCI Program” LA-UR-05-7238 (2005).                     

Willson, S. “FUTURIX FTA Nitride Fuel Fabrication and Characterization Research and Development Report” LA-UR-04-8960 (2004).