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Unité Matériaux et Transformations empty space

Unité Matériaux et Transformations
CNRS UMR 8207 - Université de Lille

Depecker Christophe
Christophe Depecker
Research assistant at CNRS
Bâtiment C6 - 207
Unité Matériaux et Transformations
Bât. C6
Université Lille1
59655 Villeneuve d'Ascq
Tel: +33 (0) 320 43 49 90
Fax: +33 (0) 320 43 65 91
Research team: Mineral physics


Experimental astromineralogy. Infrared and Raman spectroscopy. Gas/solid interaction. Spectroscopic imaging. Image analysis. Hyper-resolution.


  1. 2007 - C. Depecker, B. Hue, C. Vanmansart: Dispositif de traction in situ destiné a appareiller un dispositif de microscopie analytique.
    Déposé à l'INPI le 16 mars 2007, BOPI 2007 -11 n° FR2890746.
    Déposé à l'OMPI le 22 mars 2007, numéro WO 2007/031653 A1.

Recent communications and seminars

6 oral presentation(s). 9 poster(s). Detailled list.

Recent publications in international research journals

  1. K. Demyk, C. Meny, H. Leroux, C. Depecker, J. B. Brubach, P. Roy, C. Nayral, W. S. Ojo, F. Delpech, Low-temperature MIR to submillimeter mass absorption coefficient of interstellar dust analogues II. Mg and Fe-rich amorphous silicates, Astronomy & Astrophysics 606 A50 (2017) [doi: 10.1051/0004-6361/201730944]
  2. K. Demyk, C. Meny, X. H. Lu, G. Papatheodorou, M. J. Toplis, H. Leroux, C. Depecker, J. B. Brubach, P. Roy, C. Nayral, W. S. Ojo, F. Delpech, D. Paradis, V. Gromov, Low temperature MIR to submillimeter mass absorption coefficient of interstellar dust analogues I. Mg-rich glassy silicates, Astronomy & Astrophysics 600 A123 (2017) [doi: 10.1051/0004-6361/201629711]
  3. S. P. Thompson, K. Demyk, S. J. Day, A. Evans, H. Leroux, C. Depecker, J. E. Parker, L. Connor, H. Wilhelm, G. Cibin, Amorphous silicate nanoparticles with controlled Fe-Mg pyroxene compositions, Journal of Non-Crystalline Solids 447 255-261 (2016) [doi: 10.1016/j.jnoncrysol.2016.06.017]
  4. B. Laurent, M. Roskosz, L. Remusat, F. Robert, H. Leroux, H. Vezin, C. Depecker, N. Nuns, J. M. Lefebvre, The deuterium/hydrogen distribution in chondritic organic matter attests to early ionizing irradiation, Nature Communications 6 8567 (2015) [doi: 10.1038/ncomms9567]
  5. P. Zhang, J. Ingrin, C. Depecker, Q. Xia, Kinetics of deuteration in andradite and garnet, American Mineralogist 100 1400-1410 (2015) [doi: 10.2138/am-2015-5149]
  6. B. Laurent, M. Roskosz, L. Remusat, H. Leroux, H. Vezin, C. Depecker, Isotopic and structural signature of experimentally irradiated organic matter, Geochimica et Cosmochimica Acta 142 522-534 (2014) [doi: 10.1016/j.gca.2014.07.023]
  7. J. Ingrin, J. Liu, C. Depecker, S. C. Kohn, E. Balan, K. J. Grant, Low-temperature evolution of OH bands in synthetic forsterite, implication for the nature of H defects at high pressure, Physics and Chemistry of Minerals 40 499-510 (2013) [doi: 10.1007/s00269-013-0587-3]
  8. A. Coupeaud, K. Demyk, C. Meny, C. Nayral, F. Delpech, H. Leroux, C. Depecker, G. Creff, J. B. Brubach, P. Roy, Low-temperature FIR and submillimetre mass absorption coefficient of interstellar silicate dust analogues, Astronomy & Astrophysics 535 A124 (2011) [doi: 10.1051/0004-6361/201116945]
  9. J. Gillot, M. Roskosz, H. Leroux, C. Depecker, Crystallization of amorphous silicates far from equilibrium part I: A versatile nitrate-based sol–gel synthesis of amorphous porous Ca,Mg-rich silicates, Journal of Non-Crystalline Solids 357 3461-3466 (2011) [doi: 10.1016/j.jnoncrysol.2011.06.023]
  10. A. Hamoudi, L. Khouchaf, C. Depecker, B. Revel, L. Montagne, P. Cordier, Microstructural evolution of amorphous silica following alkali–silica reaction, Journal of Non-Crystalline Solids 354 5074-5078 (2008) [doi: 10.1016/j.jnoncrysol.2008.07.001]
  11. M. Lancry, B. Poumellec, V. Beugin, P. Niay, M. Douay, C. Depecker, P. Cordier, Mechanisms of photosensitivity enhancement in OH-flooded standard germanosilicate preform plates, Journal of Non-Crystalline Solids 353 69-76 (2007) [doi: 10.1016/j.jnoncrysol.2006.09.030 00223093]
  12. M. Lancry, P. Niay, M. Douay, C. Depecker, P. Cordier, B. Poumellec, Isochronal annealing of Bragg gratings written either in H2-loaded, UV hypersensitized or in OH-flooded standard Telecommunication fibers using ArF laser, Journal of Lightwave Technology 24 1376-1387 (2006) [doi: 10.1109/JLT.2005.863287]
  13. M. Lancry, B. Poumellec, P. Niay, M. Douay, P. Cordier, C. Depecker, VUV and IR absorption spectra induced in H2-loaded and UV hyper-sensitized standard germanosilicate preform plates through exposure to ArF laser light, Journal of Non-Crystalline Solids 351 3773-3783 (2005) [doi: 10.1016/j.jnoncrysol.2005.10.020]
  14. M. Lancry, P. Niay, S. Bailleux, M. Douay, C. Depecker, P. Cordier, I. Riant, Thermal Stability of the 248-nm-induced Presensitization Process in Standard H_2-loaded Germanosilicate Fibers, Applied Optics 41 7197 (2002) [doi: 10.1364/AO.41.007197]
  15. C. Dalle, P. Cordier, C. Depecker, P. Niay, P. Bernage, M. Douay, Growth kinetics and thermal annealing of UV-induced H-bearing species in hydrogen loaded germanosilicate fibre preforms, Journal of Non-Crystalline Solids 260 83-98 (1999) [doi: 10.1016/S0022-3093(99)00565-7]
  16. P. Cordier, C. Dalle, C. Depecker, P. Bernage, M. Douay, P. Niay, J. F. Bayon, L. Dong, UV-induced reaction of H2 with germanosilicate and aluminosilicate glasses, Journal of Non-Crystalline Solids 224 277-282 (1998) [doi: 10.1016/S0022-3093(97)00470-5]
UMET - Unité Matériaux et Transformations
Université de Lille
Bâtiment C6
59655 Villeneuve d'Ascq
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