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Univ. Paris-Saclay



Service de Physique de l'Etat condensé
Groupe SPHYNX : "Systèmes Physiques Hors-équilibre, hYdrodynamique, éNergie et compleXité"

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Current Position

Senior Research Scientist

Research Subjects

  • Simulations:
    • Massively parallel molecular dynamics simulations of crack-front dynamics and morphology in amorphous nanostructured silica
    • Molecular dynamics simulations of plasticity in amorphous media
  • Experiments
    • Understanding how the microstructure of a material dictates its macroscopic mechanical response.
    • Stress corrosion cracking in amorphous media with a concentration on SiO2-B2O3-Na2O glasses
    • Nanomechanical mapping of surfaces with an concentration on fracture surfaces
    • Resulting fracture surfaces after stress corrosion cracking


To access my detailed CV please click here .

Scientific Papers

  1. “Atomistic Aspects of Crack Propagation in Brittle Materials: Multimillion Atom Molecular Dynamics Simulations”

    C. L. Rountree, R. K. Kalia, E. Lidorikis, A. Nakano, L. Van Brutzel, P. Vashishta. Annual Review of Materials Research. 32:377-400 (2002).

  2. “Dynamic Fracture Mechanisms in Nanostructured and Amorphous Silica Glasses: Million-Atom Molecular Dynamics Simulations”

    L. Van Brutzel, C. L. Rountree, R. K. Kalia, A. Nakano, P. Vashishta. Materials Research Society Symposium Proceedings. 703:117-122. (2002).

  3. “Atomistic Simulations of Nanoceramics”

    C. L. Rountree, L. Van Brutzel, E. Lidorikis, A. Nakano, R. K. Kalia, P. Vashishta. in Proceedings of CINTEC 2002, 10th International Ceramic Congress and 3rd Forum on New Materials, edited by P. Vincenzini (Florence, Italy, July 14-18, 2002).

  4. “Nanoscale Damage and Dynamic Fracture in Glasses.”

    C. L. Rountree, R. K. Kalia, A. Nakano, P. Vashishta. NAVO MSRC Navigator. pp. 10-11 (Fall 2002).

  5. “Multiresolution Atomistic Simulations of Dynamic Fracture in Nanostructured Ceramics and Glasses”

    R. K. Kalia, A. Nakano, P. Vashishta, C. L. Rountree, L. Van Brutzel, S. Ogata. International Journal of Fracture, 121(1-2):71-79. (2003).

  6. “High-end classical-quantum atomistic simulations of fracture”

    R. K. Kalia, A. Nakano, P. Vashishta, C. L. Rountree. 2003 Users Group Conference, Proceedings published by IEEE computer society pp. 36-39 (2003).

  7. Dynamics of wing cracks and nanoscale damage in glass

    Z. Lu, K. Nomura, A. Sharma, W. Wang, C. Zhang, A. Nakano, R. Kalia, P. Vashishta, E. Bouchaud C.L. Rountree. Physical Review Letters. 95(13): 135501  (2005).

  8. Experimental Investigation of Damage and Fracture in Glassy Materials at the Nanometer Scale

    D. Bonamy, S. Prades, L. Ponson, C. Rountree, D. Dalmas, E. Bouchaud, C. Guillot. International Journal of Materials and Product Technology. 26(3-4):339-353 (2006).

  9. Nanoscale damage during fracture in silica glass

    D. Bonamy, S. Prades, C.L. Rountree, L. Ponson, D. Dalmas, E. Bouchaud, K. Ravi-Chandar, C. Guillot. International Journal of Fracture, 140(1-4):3-14 (2006).

  10. A unified study of crack propagation in amorphous silica: Using experiments and simulations

    C. L. Rountree, S. Prades, D. Bonamy, E. Bouchaud, R. Kalia, C. Guillot. Journal of Alloys and Compounds 434:60-63 (2007).

  11. Plasticity-Induced Structural Anisotropy of Silica Glass

    C. L. Rountree, D. Vandembroucq, M. Talamali, E. Bouchaud, S.  Roux. Physical Review Letters 102(19):195501 (2009).

  12. Effects of Finite Probe Size on Self-Affine Roughness Measurements

    F. Lechenault, G. Pallares, M. George, C. Rountree, E. Bouchaud, M. Ciccotti. Physical Review Letters. 104:025502 (2010).

  13. “Fracture in glass via molecular dynamics simulations and atomic force microscopy experiments.”

    C. L. Rountree, D. Bonamy, D. Dalmas, S. Prades, R.K. Kalia, C. Guillot, E. Bouchaud. Physics and Chemistry of Glasses: European Journal of Glass Science and Technology Part B. 51(2):127-132 (2010).

  14. Evidence of Deep Water Penetration in Silica during Stress Corrosion Fracture.”

    F. Lechenault, C. L. Rountree, F. Cousin, J.-P. Bouchaud, L. Ponson, E. Bouchaud. Physical Review Letters. 106(16):165504 (2011).

  15.  “Damage of silicate glasses during stress corrosion.”

    F. Lechenault, C. L. Rountree, F. Cousin, J.-P. Bouchaud, L. Ponson, E. Bouchaud. Journal of Physics: Conference Series. 319:012005. (2011).

  16. “Methodologie d’analyse des surfaces de fracture et evolution sous irradiation aux electrons et aux ions legers de la silice et d’un verre nucleaire simplifie”

    T. Taurines, C. Rountree, D. Bonamy, F. Bruguier, R. Caraballo, J-M Delaye, S. Peuget, B. Boizot. CEA note technique : DEN/MAR/DTCD/SECM/2011/16. (2011)

  17. “Roughness of Silica Glass Sub-Critical Fracture Surfaces”

    G Pallares, F Lechenault, M George, E Bouchaud, C. L. Rountree, M. Ciccotti. Fractography of Glasses and Ceramics VI.  The American Ceramic Society. Ceramic Transactions. Wiley publishing. Vol 230. p77 (2012).

  18. Fractoluminescence characterization of the energy dissipated during fast fracture of glass

    G. Pallares, C. Rountree, L. Douillard, F. Charra, E. Bouchaud. European Physics letters 99, 28003, (2012). doi:10.1209/0295-5075/99/28003

  19. “Evolution des propriétés mécaniques des verres nucléaires sous irradiation”

    M. Barlet, C. L. Rountree, D. Bonamy, F. Bruguier, R. Caraballo, J-M Delaye, S. Peuget, B. Boizot. CEA note technique : DEN/MAR/DTCD/SECM/2013-02. (2013)

  20. Understanding the evolution of mechanical properties under irradiation in nuclear glasses via experiments.”

    M. Barlet, J-M Delaye, D. Bonamy, C. L. Rountree. 13th International Conference on Fracture, June 16–21, 2013, Beijing, China (Published proceeding)

  21. SiO2-Na2O-B2O3 density: A comparison of experiments, simulations, and theory.

    M. Barlet, A. Kerrache, J-M Delaye, C. L. RountreeJournal of Non-Crystalline Solids382, 32, (2013) http://dx.doi.org/10.1016/j.jnoncrysol.2013.09.022

  22. “Evolution des propriétés mécaniques des verres nucléaires sous irradiation : rapport d’avancement 2014”

    M. Barlet, C. L. Rountree, J.-M. Delaye. CEA note technique : DEN/MAR/DTCD/SECM/2014-04. (2014)

  23. “Impact of the roughness profile of a surface on the Bragg peak position in glancing incidence diffraction.”

    D. Simeone, L. Luneville, G. Baldinozzi, C. Rountree, D. Gosset, J.-F. Berar. Journal of Applied Crystallography Reference: KS5406. Submitted

  24. Influence of electronic irradiation on failure and hardness properties of pure silica glasses

    M. Barlet, J-M Delaye, M. Gennisson, R. Caraballo, D. Bonamy, C. L. Rountree. Procedia Material Science.  7:286-293. (2014). DOI:10.1016/j.mspro.2014.10.037

  25. Nominally brittle cracks in inhomogeneous solids: From microstructural disorder to continuum-level scale

    J. Barés, M. Barlet, C. L. Rountree, L. Barbier, D. Bonamy. Frontiers in Physics. 2:70. (2014). DOI: 10.3389/fphy.2014.00070

  26. Antiferromagnetic long-range spin ordering in Fe- and NiFe2-doped BaTiO3 multiferroic layers

    A. Barbier, T. Aghavnian, V. Badjeck, C. Mocuta, D. Stanescu, H. Magnan, C. L. Rountree, R. Belkhou. P. Ohresser, and N. Jedrecy. Physics Review B. 91(3):035417. (2015) DOI: 10.1103/PhysRevB.91.035417

  27. Local electronic structure and photoelectrochemical activity of partial chemically etched Ti-doped hematite

    M. Rioult, R. Belkhou, H. Magnan, S. Stanescu, S. Stanescu, F. Maccherozzi, C. Rountree, A. Barbier. Surface Science. 641:310–313.  (2015) DOI: 10.1016/j.susc.2015.01.002

  28. Hardness and Toughness of Sodium Borosilicate Glasses via Vicker's indentations

    M. Barlet, J-M. Delaye,T. Charpentier,M. Gennisson,D. Bonamy, T. Rouxel, C.L. Rountree. Journal of Non-Crystalline Solids. 417–418:66–79. (2015) DOI: 10.1016/j.jnoncrysol.2015.02.005

  29. Role of evaporation rate on the particle organization and crack patterns obtained by drying a colloidal layer

    K. Piroird, V. Lazarus, G. Gauthier, A. Lesaine, D. Bonamy, C.L. Rountree. EPL. 113(3):38002. (2016) DOI: 10.1209/0295-5075/113/38002

  30. Low energy electron imaging of domains and domain walls in magnesium-doped lithium niobate

    G. F. Nataf, P. Grysan, M. Guennou, J. Kreisel, D. Martinotti, C. L. Rountree, C. Mathieu, N. Barrett Scientific Reports. 6:33098. (2016) DOI: 10.1038/srep33098

  31. From network depolymerization to stress corrosion cracking in sodium-borosilicate glasses: Effect of the chemical composition

    M. Barlet, B. Boizot, D. Bonamy, R. Caraballo, S. Peuget, C.L. Rountree. Journal of Non-Crystalline Solids. 450:174–184. (2016) DOI: 10.1016/j.jnoncrysol.2016.07.017

  32. Recent progress to understand stress corrosion cracking in Sodium Borosilicate Glasses: Linking the chemical composition to structural, physical and fracture properties

    C.L. Rountree. Journal of Physics D: Applied Physics. 50:34. (2017) DOI: 10.1088/1361-6463/aa7a8b

  33. Adsorbate screening of surface charge of microscopic ferroelectric domains in sol-gel PbZr0.2Ti0.8O3 thin films

    O. Copie, N. Chevalier, G. Le Rhun, C. Rountree, D. Martinotti, S. Gonzalez, C. Mathieu, O. Renault, N. Barrett. ACS Applied Materials & Interfaces. 9(34):29311 (2017) DOI: 10.1021/acsami.7b08925

  34. Roughness of oxide glass subcritical fracture surfaces

    G. Pallares, F. Lechenault, M. George, E. Bouchaud, C. Ottina, C. L. Rountree , M. Ciccott Journal of the American Ceramic Society. 101(3):1279–1288 (March, 2018). DOI: 10.1111/jace.152625

  35. Highly porous layers of silica nano-spheres sintered by drying: Scaling up of the elastic properties from the beads to the macroscopic mechanical properties

    A. Lesaine, D. Bonamy, G. Gauthier, C. L. Rountree and V. Lazarus, Soft Matter. 14: 3987-3997 (13 Apr 2018) DOI: 10.1039/C7SM02443F

  36. Conductivity via Thermally Induced Gap States in a Polyoxometalate Thin Layer

    Q. Zhu, B. Paci, A. Generosi, S. Renaudineau, P. Gouzerh, X. Liang, C. Mathieu, C. L. Rountree, G. Izzet, A. Proust, N. Barrett, and L. Tortech, The Journal of Physical Chemistry C. 123(3): 1922–1930 (January 3, 2019) DOI: 10.1021/acs.jpcc.8b08510

  37. Electrostriction, Electroresistance, and Electromigration in Epitaxial BaTiO3-Based Heterostructures: Role of Interfaces and Electric Poling

    D. Stanescu, H. Magnan, B. Sarpi, M. Rioult, T. Aghavnian, J.-B. Moussy, C. L. Rountree, and A. Barbier, ACS Applied Nano Materials. 2(6): 3556–3569 (May 10, 2019) DOI: 10.1021/acsanm.9b00517

  38. SILICA and its process zone

    C. L. Rountree and W. Feng, International Journal of Applied Glass Science. Special Issue: Women in Glass. 2(6):385-395 (July 2020) DOI: 10.1111/ijag.15113

    More about the special Women in Glass issue: Wiley partnered with The American Ceramic Society to bring women in glass science to the forefront and recognize their role in advancing the research field. Access the special issue of International Journal of Applied Glass Science and read the full interviews now!

  39. Role of particle aggregation on the structure of dried colloidal silica layers

    Lesaine, D. Bonamy, C. L. Rountree, G. Gauthier, M. Impéror-Clercc, V. Lazarus, Soft Matter. 17(6):1589-1600 (2021) DOI: 10.1039/D0SM00723D

  40. Stress Corrosion Cracking in Amorphous Phase Separated Oxide Glasses: A Holistic Review of Their Structures, Physical, Mechanical and Fracture Properties

    W. Feng, D. Bonamy, F. Célarié, P. C. M. Fossati, S. Gosse;, P. Houizot, C. L. Rountree, MDPI – Corrosion and Materials Degradation. 2(3):412-446 (2021) DOI: 10.1039/D0SM00723D




High School Diploma, 1993, Lafayette High School

B.S. Physics, 1998, Louisiana State University

M.S. System Science, 2003, Louisiana State University

Ph.D. Physics, 2003, Louisiana State University

H.D.R. Physics 2017, Université Paris-Sud



DIM-MAP – AFM4aStory (2018-2019) – PI: C. L. Rountree

Palm – CoEuRs (2018-2019) - PI: L. Noirez

ANR-2017 - ToughGlasses (2017-2022) - PI: C. L. Rountree

Palm - DryOrder (2015-2018) - PI: C. L. Rountree

RTRAInter-Labex - NanoDried (2011-2014) - PI: V. Lazarus

RTRA - IMAFMP (2011-2014) - PI: C. L. Rountree

Ile-de-France (C'Nano and ISC-PIF) - IMAFMP (2011-2015) - PI: C. L. Rountree

RTRA - FracHet (2009-2011) - PI: E. Bouchaud

ANR - CORCOSIL (2007-2010) - PI: M. Ciccotti

MPS Distinguished International Postdoctoral Research Fellowships (MPS-DRF) Award Number: DMR-0401467 (July 1, 2004- June 30, 2006)- PI: C. L. Rountree




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