U.S. Department of Energy

Pacific Northwest National Laboratory

Ram Devanathan

NPSI Project Manager, Nuclear Sciences Technical Group Manager
Ram Devanathan
(509) 371-6487

Dr. Devanathan's research interest areas include:

  • Degradation of spent nuclear fuel canisters
  • Swift heavy ion damage in materials
  • Proton and ion transport in materials for energy conversion and storage
  • Water transport in graphene oxide membrane
  • Ceramics for nuclear waste forms, fuels and fusion reactor applications

Education and Credentials

  • MBA, General Management, Washington State University.
  • Ph.D., Materials Science and Engineering, Northwestern University.
  • B.Tech, Metallurgical Engineering, IIT Madras, Chennai, India.

Affiliations and Professional Service

  • Scientist II-IV, Pacific Northwest National Laboratory (2000-Present)
  • Scientist, Institute of Physics, Chinese Academy of Sciences, China (1987-1993)
  • Assistant Professor, Hefei Polytechnical University, China (1982-1984)
  • American Association for Advancement of Science
  • American Ceramic Society (Member, Awards and Publications Committees)
  • American Chemical Society (Chair-Elect, Richland Section)
  • Materials Research Society (Chair, 2015 Fall Meeting)
  • The Minerals, Metals & Materials Society

Awards and Recognitions

  • Fellow of the American Ceramic Society (2015)
  • Richard M. Fulrath Award, American Ceramic Society (2012)
  • Outstanding Mentor Award of the US Department of Energy (2010)
  • Battelle Community Spirit Award (2008)

PNNL Publications


  • Devanathan R. 2016. "Herbert Frohlich: A Physicist Ahead of his Time [Book Review]." MRS Bulletin 41(2):166. 


  • Devanathan R. 2015. "Review of Metals in Past Societies: A Global Perspective on Indigenous African Metallurgy by Shadreck Chirikure, Springer, 2015." MRS Bulletin 40(10):880.  doi:10.1557/mrs.2015.251.
  • Jensen PJ, DJ Sunderland, SB Ross, RO Montgomery, BD Hanson, and R Devanathan. 2015. "Gap Analysis to Support Modeling the Long-Term Degradation of Used Nuclear Fuel Canisters." In International High-Level Radioactive Waste Management: Real World Solutions for Integrated Management of Used Fuel and HLW, April 12-16, 2015, Charleston, South Carolina.  American Nuclear Society, La Grange Park, IL. 
  • Lang M, R Devanathan, M Toulemonde, and C Trautmann. 2015. "Advances in Understanding of Swift Heavy-Ion Tracks in Complex Ceramics." Current Opinion in Solid State and Materials Science 19(1):39-48.  doi:10.1016/j.cossms.2014.10.002.
  • Tran TT, PJ Jensen, BG Fritz, FC Rutz, and R Devanathan. 2015. Evaluation of DUSTRAN Software System for Modeling Chloride Deposition on Steel Canisters. PNNL-24500, Pacific Northwest National Laboratory, Richland, WA. 
  • Yablinsky C, R Devanathan, J Pakarinen, J Gan, D Severin, C Trautmann, and TR Allen. 2015. "Characterization of swift heavy ion irradiation damage in ceria." Journal of Materials Research 30(9):1473-1484.  doi:10.1557/jmr.2015.43.


  • Siciliano ER, R Devanathan, ZC Guillen, RT Kouzes, and JE Schweppe. 2014. Quality Assurance Procedures for ModCat Database Code Files . PNNL-23353, Pacific Northwest National Laboratory, Richland, WA. 
  • Zarkadoula E, R Devanathan, WJ Weber, M Seaton, I Todorov, K Nordlund, MT Dove, and K Trachenko. 2014. "High-energy radiation damage in zirconia: modeling results ." Journal of Applied Physics 115(8):083507.  doi:10.1063/1.4866989.


  • Devanathan R, F Gao, and CJ Sundgren. 2013. "Role of cation choice in the radiation tolerance of pyrochlores." RSC Advances 3(9):2901-2909.  doi:10.1039/C2RA22745B.
  • Devanathan R, NB Idupulapati, MD Baer, CJ Mundy, and M Dupuis. 2013. "Ab initio molecular dynamics simulation of proton hopping in a model polymer membrane." Journal of Physical Chemistry B 117(51):16522-16529.  doi:10.1021/jp410229u.
  • Anheier NC, Jr, JD Suter, HA Qiao, ES Andersen, EJ Berglin, M Bliss, BD Cannon, R Devanathan, A Mendoza, and DM Sheen. 2013. Technical Readiness and Gaps Analysis of Commercial Optical Materials and Measurement Systems for Advanced Small Modular Reactors. PNNL-22622 Rev. 1, Pacific Northwest National Laboratory, Richland, WA. 
  • Guedes S, P Moreira, R Devanathan, WJ Weber, and JC Hadler. 2013. "Improved zircon fission-track annealing model based on reevaluation of annealing data." Physics and Chemistry of Minerals 40(2):93-106.  doi:10.1007/s00269-012-0550-8.
  • Jiang W, R Devanathan, CJ Sundgren, M Ishimaru, K Sato, T Varga, S Manandhar, and A Benyagoub. 2013. "Ion Tracks and Microstructures in Barium Titanate Irradiated with Swift Heavy Ions: A Combined Experimental and Computational Study." Acta Materialia 61(20):7904-7916.  doi:10.1016/j.actamat.2013.09.029.


  • Devanathan R, and M Dupuis. 2012. "Insight from molecular modelling: does the polymer side chain length matter for transport properties of perfluorosulfonic acid membranes?" Physical Chemistry Chemical Physics. PCCP 14(32):11281-11295.  doi:10.1039/C2CP24132C.
  • Devanathan R, NB Idupulapati, and M Dupuis. 2012. "Molecular modeling of the morphology and transport properties of two direct methanol fuel cell membranes: phenylated sulfonated poly(ether ether ketone ketone) versus Nafion." Journal of Materials Research 27(15):1927-1938.  doi:10.1557/jmr.2012.165.
  • Du J, R Devanathan, LR Corrales, and WJ Weber. 2012. "First-principles calculations of the electronic structure, phase transition and properties of ZrSiO4 polymorphs." Computational and Theoretical Chemistry 987(1):62-70.  doi:10.1016/j.comptc.2011.03.033.
  • Gao F, HY Xiao, Y Zhou, R Devanathan, SY Hu, Y Li, X Sun, and MA Khaleel. 2012. "Ab Initio Study of Defect Properties in YPO4." Computational Materials Science 54:170-175.  doi:10.1016/j.commatsci.2011.10.005.
  • Kumar A, R Devanathan, V Shutthanandan, SVNT Kuchibhatla, AS Karakoti, Y Yang, S Thevuthasan, and S Seal. 2012. "Radiation-Induced Reduction of Ceria in Single and Polycrystalline Thin Films." Journal of Physical Chemistry C 116(1):361-366.  doi:10.1021/jp209345w.


  • Devanathan R, F Gao, and X Sun. 2011. Challenges in Modeling the Degradation of Ceramic Waste Forms. PNNL-20738, Pacific Northwest National Laboratory, Richland, WA. 
  • Costantini JM, F Beuneu, SE Morrison-Smith, R Devanathan, and WJ Weber. 2011. "Paramagnetic defects in electron-irradiated yttria-stabilized zirconia: Effect of yttria content." Journal of Applied Physics 110(12):Article No. 123506.  doi:10.1063/1.3666062.
  • Idupulapati NB, R Devanathan, and M Dupuis. 2011. "Atomistic Simulations of Perfluoro Phosphonic and Phosphinic Acid Membranes and Comparisons to Nafion." Journal of Physical Chemistry B 115(12):2959-2969. 
  • Idupulapati NB, R Devanathan, and M Dupuis. 2011. "Molecular Structure and Transport Dynamics in Perfluoro Sulfonyl Imide Membranes ." Journal of Physics. Condensed Matter 23(23):Article No. 234106.  doi:10.1088/0953-8984/23/23/234106.
  • Lee CW, RK Behera, S Okamoto, R Devanathan, ED Wachsman, SR Phillpot, and SB Sinnott. 2011. "Stabilization mechanisms of LaFeO3 (010) surfaces determined with first principles calculations." Journal of the American Ceramic Society 94(6):1931-1939.  doi:10.1111/j.1551-2916.2010.04318.x.
  • Lins RD, R Devanathan, and M Dupuis. 2011. "Modeling the Nanophase Structural Dynamics of Phenylated Sulfonated Poly Ether Ether Ketone Ketone (Ph-SPEEKK) Membranes as a Function of Hydration." Journal of Physical Chemistry B 115(8):1817-1824 .  doi:10.1021/jp110331m
  • Moore EE, LR Corrales, T Desai, and R Devanathan. 2011. "Molecular dynamics simulation of Xe bubble nucleation in nanocrystalline UO2 nuclear fuel." Journal of Nuclear Materials 419(1-3):140-144.  doi:10.1016/j.jnucmat.2011.08.052.
  • Sanghavi RP, R Devanathan, MI Nandasiri, SVNT Kuchibhatla, L Kovarik, S Thevuthasan, and S Prasad. 2011. "Integrated experimental and modeling study of the ionic conductivity of samaria-doped ceria thin films." Solid State Ionics 204-205:13-19.  doi:10.1016/j.ssi.2011.10.007.


  • Devanathan R, A Venkatnathan, RJ Rousseau, M Dupuis, T Frigato, W Gu, and VH Helms. 2010. "Atomistic Simulation of Water Percolation and Proton Hopping in Nafion Fuel Cell Membrane." Journal of Physical Chemistry B 114(43):13681-13690.  doi:10.1021/jp103398b.
  • Devanathan R, and WJ Weber. 2010. "Simulation of collision cascades and thermal spikes in ceramics." Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms 268(19):2857-2862.  doi:10.1016/j.nimb.2010.05.047.
  • Devanathan R, F Gao, X Sun, and MA Khaleel. 2010. Fundamental Science-Based Simulation of Nuclear Waste Forms. PNNL-19740, Pacific Northwest National Laboratory, Richland, WA. 
  • Devanathan R, L Van Brutzel, A Chartier, C Gueneau, AE Mattsson, V Tikare, T Bartel, TM Besmann, M Stan, and P Van Uffelen. 2010. "Modeling and Simulation of Nuclear Fuel Materials." Energy & Environmental Science 3(10):1406-1426.  doi:10.1039/C0EE00028K.
  • Devanathan R, WJ Weber, and JD Gale. 2010. "Radiation tolerance of ceramics-Insights from atomistic simulation of damage accumulation in pyrochlores." Energy & Environmental Science 3(10):1551-1559.  doi:10.1039/C0EE00066C.
  • Devanathan R. 2010. "Proton Exchange Membranes for Fuel Cells." In Energy Production and Storage - Inorganic Chemical Strategies for a Warming World, ed. RH Crabtree, pp. 89-100.  Wiley, Hoboken, NJ. 
  • Hu SY, Y Li, X Sun, F Gao, R Devanathan, CH Henager, Jr, and MA Khaleel. 2010. "Application of Phase-field Method in Predicting Gas Bubble Microstructure Evolution in Nuclear Fuels." International journal of materials research 10(4):515-522. 
  • Chang TM, LX Dang, R Devanathan, and M Dupuis. 2010. "Structure and Dynamics of N, N-diethyl-N-methylammonium Triflate Ionic Liquid, Neat and with Water, from Molecular Dynamics Simulations." Journal of Physical Chemistry A 114(48):12764-12774.  doi:10.1021/jp108189z.
  • Idupulapati NB, R Devanathan, and M Dupuis. 2010. "Ab Initio Study of Hydration and Proton Dissociation in Ionomer Membranes ." Journal of Physical Chemistry A 114(25):6904-6912. 
  • Moreira PA, R Devanathan, and WJ Weber. 2010. "Atomistic Simulation of Track Formation by Energetic Recoils in Zircon." Journal of Physics. Condensed Matter 22:Art. No. 395008. 
  • Yu Z, R Devanathan, W Jiang, P Nachimuthu, V Shutthanandan, LV Saraf, CM Wang, SVNT Kuchibhatla, and S Thevuthasan. 2010. "Integrated Experimental and Modeling Study of Ionic Conductivity of Scandia-Stabilized Zirconia Thin Films." Solid State Ionics 181(8-10):367-371.  doi:10.1016/j.ssi.2010.01.024.
  • Zhang J, M Lang, RC Ewing, R Devanathan, WJ Weber, and M Toulemonde. 2010. "Nanoscale Phase Transitions under Extreme Conditions within an Ion Track." Journal of Materials Research 25(7):1344-1351. 
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