Cindy ROUNTREE

Current Position

• Senior Research Scientist
• CEA Research Director

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

CV

To access my detailed CV please click here.

Scientific Papers

1. “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)
2. “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)
3. “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 https://players.brightcove.net/3806881048001/default_default/index.html?videoId=6176113567001 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!
4. “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
5. “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
6. “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
7. “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
8. “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
9. “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
10. “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
11. « 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
12. “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
13. “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
14. “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
15. “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
16. “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
17. “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
18. “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
19. “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)
20. “SiO2-Na2O-B2O3 density: A comparison of experiments, simulations, and theory.” M. Barlet, A. Kerrache, J-M Delaye, C. L. Rountree.  Journal of Non-Crystalline Solids.  382, 32, (2013) http://dx.doi.org/10.1016/j.jnoncrysol.2013.09.022
21. “Understanding the evolution of mechanical properties under irradiation in nuclear glasses via experiments.” M. Barlet, J-M Delaye, D. Bonamy, C. L. Rountree. 13^th International Conference on Fracture, June 16–21, 2013, Beijing, China (Published proceeding)
22. “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)
23. “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
24. “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).
25. “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)
26. “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).
27. « 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).
28. “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).
29. “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).
30. “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).
31. “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).
32. “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).
33. “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).
34. “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).
35. “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).
36. “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).
37. “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).
38. “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).
39. “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).
40. “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).
41. “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).
42. “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).
43. “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).
44. “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).
45. “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).

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