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Jason Lee Baker

Jason Baker

Phone (505) 665-2100


  • Materials
  • Radiological materials
  • Materials behavior in extreme environments,
  • High pressure
  • High temperature
  • Superconductivity
  • X-ray spectroscopy and imaging
  • Optics and fiber optics
  • Thermodynamic
  • Magnetic
  • Transport characterization of materials,
  • Statistical mechanics properties of materials
  • Equation of state (EOS)
  • Condensed matter


  • High pressure-temperature measurements of phase transitions, equation of state, and structural properties of materials using powder X-ray diffraction, X-ray absorption spectroscopy and Raman spectroscopy in diamond anvil cells (DAC)
  • High pressure-temperature electrical and thermal transport properties (e.g., electrical and thermal conductivity) of materials using a Paris-Edinburgh press (developed specialized sample cell assembly)
  • High pressure-temperature (hydrothermal) solubility/speciation/dissolution properties of solids/liquids using hydrothermal DAC
  • Low temperature transport and thermodynamic property measurements (e.g., heat capacity, electrical conductivity) of materials using a Physical Property Measurement System (PPMS)



PhD in Physics. University of Nevada, Las Vegas (UNLV), Las Vegas, NV USA.

Dissertation Title: "Instrumentation and Measurement of Thermoelectric and Structural Properties of Binary Chalcogenides and Half-Heusler Alloys at Extreme Conditions Using a Paris-Edinburgh Press."

Advisors: Dr. Ravhi Kumar and Dr. Andrew Cornelius

M.S. in Physics. UNLV, Las Vegas, NV USA.

Thesis Title: Synthesis and High-Pressure Structural Studies of AuX2 (X = Al, Ga, In) Compounds."

Advisors: Dr. Andrew Cornelius and Dr. Ravhi Kumar

B.S. in Physics. UNLV, Las Vegas, NV USA.



LANL Positions


Postdoctoral Research Associate, Earth Systems Observations (EES-14); Earth & Environmental Sciences Division. Advisors: Dr. Hongwu Xu, Dr. Hakim Boukhalfa, and Dr. Andrew Gaunt (2018 - present)

Graduate Student ST1, Shock and Detonation Physics Group (WX-9), Advisor: Dr. Nenad Velisavljevic (2012)





Seaborg Postdoctoral Fellow, LANL, Los Alamos, NM USA. (2018 - 2020)

"Outstanding Poster Award." at SSAP Symposium, Chicago, IL USA. (2017)

Malcolm F. Nicol Fellowship, HiPSEC, UNLV, Las Vegas, NV USA. (2012 - 2013)





  1. "Compressibility and thermoelectric behavior of TiCoSb half-Heusler compound at high pressures." J.L. Baker, R.S. Kumar, C. Park, N. Velisavljevic, A. Cornelius. Intermetallics 95, 137-143 (2018).
  2. "Giant Pressure-Induced Enhancement of Seebeck Coefficient and Thermoelectric Efficiency in SnTe." J. Baker, R. Kumar, C. Park, C. Kenney-Benson, A. Cornelius, N. Velisavljevic. ChemPhysChem 18, 23, 3315-3319 (2017)
  3. "High-pressure Seebeck coefficients and thermoelectric behaviors of Bi and PbTe measured using a Paris-Edinburgh cell." J. Baker, R. Kumar, C. Park, C. Kenney-Benson, A. Cornelius, N. Velisavljevic  Journal of Synchrotron Radiation 23, 1368-1378, (2016).
  4. "Pressure induced structural transitions in CuSbS2 and CuSbSe2 thermoelectric compounds." J. Baker, R. Kumar, D. Sneed, A. Connolly, Y. Zhang, N. Velisavljevic, J. Paladugu, M. Pravica, C. Chen, A. Cornelius, Y. Zhao. Journal of Alloys and Compounds 643, 186 - 194, (2015).
  5. "High pressure transport and structural studies on Nb3Ga superconductor." V. Mkrtcheyan, R. Kumar, J. Baker, A. Connolly, D. Antonio, A. Cornelius, Y. Zhao  Physica B: Condensed Matter 459, 21 - 23, (2015).
  6. "In situ x-ray diffraction, electrical resistivity and thermal measurements using a Paris-Edinburgh cell at HPCAT 16BM-B beamline." J. Baker, R. Kumar,  N. Velisavljevic, C. Park, C. Kenney-Benson, Y. Kono, A. Cornelius, Y. Zhao. Journal of Physics: Conference Series 500, 14, 142003, (2014).
  7. "Pressure-induced superconductivity in LaFeAsO: The role of anionic height and magnetic ordering." R. Kumar, J. Hamlin, B. Maple, Y. Zhang, C. Chen, J. Baker, A. Cornelius, Y. Zhao, Y. Xiao, S. Sinogeikin, P. Chow. Applied Physics Letters 105, 251902 (2014).
  8. "Effect of pressure and temperature on structural stability of MoS2." Nirup Bandaru, Ravhi Kumar, Daniel Sneed, Oliver Tschauner, Jason Baker, Daniel Antonio, Sheng-Nian Luo, Thomas Hartmann, Yusheng Zhao, Rama Venkat  Journal of Physical Chemistry C 118 (6), 3230- 3235, (2014).
  9. "High pressure materials physics research at UNLV." A. Cornelius, B. Abeln, D. Antonio, J. Baker, P.E. Kalita, R.S. Kumar. Materials Science Forum 783-786, 1836-1838, (2014).
  10. "Structural stability of WS2 under high pressure." N. Bandaru, R. Kumar, J. Baker, O. Tschauner, T. Hartmann, Y. Zhao, R. Venkat. International Journal of Modern Physics B 28, (25), 1450168, (2014).
  11. "Pressure induced high spin - low spin transition in FeSe superconductor studied by x-ray emission spectroscopy and ab initio calculations." R.S. Kumar, Y. Zhang, Y. Xiao, J. Baker, A. Cornelius, S. Veeramalai, P. Chow, C. Chen, Y. Zhao. Applied Physics Letters 99, 061913, (2011).