Selected Publications


 

Nuclear waste. Radiation damage in minerals




- Cinétique de guérison des centres colorés de la fluorine jaune de Valzergues (Aveyron). Principe d'un thermomètre géologique. G. CALAS, H. CURIEN, Y FARGE et R. MAURY. C.R. Acad. Sci., 274, 781-784 (1972).
- Les phénomènes d'altération hydrothermale et leur relation avec les minéralisations uranifères en milieu volcanique: le cas des ignimbrites tertiaires de la Sierra de Pena Blanca, Chihuahua (Mexique). G. CALAS. Sci. Géol. Bull., 30, 3-18 (1977).
- Tracing kaolinites through their defect centers: kaolinite paragenesis in a laterite (Cameroon). J.P. MULLER and G. CALAS. Econ. Geol., 84,694-707 (1989).
- Insertion of neptunium in borosilicate glasses. D. PETIT-MAIRE, J. PETIAU, G. CALAS and N. JACQUET-FRANCILLON. Physica B, 158, 56-57 (1989).
- Paramagnetic defect centers in hydrothermal kaolinite from an altered tuff in the Nopal uranium deposit, Chihuahua, Mexico. J.P. MULLER, P. ILDEFONSE and G. CALAS. Clays Clay Miner., 38, 600-608 (1990).
- Structural analysis of alpha-radiation damage in zircon and thorite: a X-ray absorption spectroscopy study. F. FARGES and G. CALAS. Amer. Mineral., 76, 60-73 (1991).
- Radiation-induced defects in kaolinites: indirect assessment of radionuclide migration in the geosphere. J.P. MULLER, P. ILDEFONSE, B. CLOZEL and G. CALAS. Applied Geochem., Suppl. Issue 1, 205-216 (1992).
- Local structure of simplified waste glass: complementarity of XAS and MD calculations. L. GALOISY, J.M. DELAYE, D. GHALEB, G. CALAS, M. LE GRAND, G. MORIN, A. RAMOS and F. PACAUD. Scientific Basis for Nuclear Waste Management 21, 133-140 (1998).
- Structure of Pd-Te precipitates in a simulated high-level nuclear waste glass. L. GALOISY, G. CALAS, G. MORIN, S. PUGNET and C. FILLET. J. Mater. Res., 13, 1124-1127 (1998).
- Radiation induced paramagnetic centers in nuclear glasses by EPR spectroscopy. B. BOIZOT, G. PETITE, D. GHALEB and G. CALAS. Nuclear Instr. Methods B, 141, 580-584 (1998).
- Evidence for 6-coordinated Zr in inactive nuclear waste glasses. L. GALOISY, E. PELEGRIN, M.A. ARRIO, P. ILDEFONSE, G. CALAS, C. FILLET and F. PACAUD. J. Amer. Ceram. Soc., 82, 2219-2224 (1999).
- Raman study of ß-irradiated glasses. B. BOIZOT, G. PETITE, D. GHALEB, B. REYNARD and G. CALAS. J. Non-Cryst. Solids, 243, 268-272 (1999).
- Evolution of nuclear glasses under alpha-irradiation. A. Abbas, Y. SERRUYS, D. GHALEB, B. BOIZOT, B. REYNARD, and G. Calas. Nucl. Instr. Methods B166-167, 445-450 (2000).
- Migration and segregation of sodium under ß-irradiation in nuclear glasses. B. BOIZOT, G. PETITE, D. GHALEB, N. PELLERIN, F. FAYON, B. REYNARD and G. CALAS. Nucl. Instr. Methods B166-167, 500-504 (2000).
- Zinc Environment in a complex aluminoborosilicate glass by Zn K-edge EXAFS spectroscopy. M. LE GRAND, A. RAMOS, G. Calas, L. GALOISY, D. GHALEB and F. PACAUD. J. Mater. Res., 15, 2015-2019 (2000).
- Dose, dose rate and irradiation temperature effects in β-irradiated simplified nuclear waste glasses by EPR spectroscopy. B. BOIZOT, G. PETITE, D. GHALEB and G. CALAS. J. non Cryst. Solids, 283, 179-185 (2001).
- Medium range structure of borosilicate glasses from Si K-edge XANES : a combined approach bases on multiple scattering and molecular dynamics calculations. D. Cabaret, M. LE GRAND, A. RAMOS, A.M. Flank, S. rossano, L. GALOISY, G. CALAS and D. GHALEB. J. non Cryst. Solids, 289, 1-8 (2001)
- Molecular dynamics study of the structure and dynamic behavior at the surface of a silicate glass. A.ABBAS, J.-M.DELAYE, D. GHALEB and G. CALAS. J. non Cryst. Solids., 293-315, 187-196 (2003).
- Structural role of molybdenum in nuclear glasses: an EXAFS study. G. CALAS, M. LE GRAND, L. GALOISY and D. GHALEB. J. Nucl. Mater., 322, 15-20 (2003).
- Radiation-induced defects in dickites from El Berrocal natural analogue granitic system (Spain). Th. ALLARD, Ph. ILDEFONSE, M. PELAYO, S. SORIEUL, B. BOIZOT, E. BALAN and G. CALAS. Eur. J. Mineral, 15, 629-640 (2003).
- Colour center production in yttria-stabilizing zirconia by swift charge particle irradiations. J.M. COSTANTINI, F. BEUNEU, D. GOURIER, C. TRAUTMANN, G. CALAS, and M. TOULEMONDE. J. Phys. Cond. Matt., 16, 3957-3971 (2004).
- Radiation-induced Defects in Nonradioactive Natural Minerals: Mineralogical and Environmental Significance. G. CALAS, T. ALLARD, E. BALAN, G. MORIN and S. SORIEUL. Mat. Res. Soc. Symp. Proc., 792, 81-92 (2004).
- Native and artificial radiation-induced defects in montmorillonite. An EPR study.S. SORIEUL, T. ALLARD, G. MORIN, B. BOIZOT and G. CALAS. Phys. Chem. Miner., 32, 1-7 (2005).
- Study of damage in ion-irradiated {alpha} -SiC by optical spectroscopy. S. SORIEUL, J.-M. COSTANTINI, L. GOSMAIN, G. CALAS, J.-J. GROB, and L. THOME. J. Phys. Condens. Matter..18, 8493–8502 (2006).
- Radiation damage induced by krypton ions in sintered {alpha} -Al2O3 Characterization of radiation damage in inert matrices for transmutation of nuclear waste. C. DALMASSO, P. IACCONI, M. BEAUVY, D. LAPRAZ, E. BALAN, G. CALAS, Radiat. Prot. Dosim., 119, 222-225 (2006).
- Reconstruction of past U migration in a sedimentary deposit (Coutras, France) : implications for a radwaste repository. T. ALLARD, G. CALAS and P. ILDEFONSE. Chem Geol., 239, 50–63 (2007).
- Alteration geochemistry of the Nopal I uranium deposit (Chihuahua, Mexico), a natural analogue in volcanic tuffs. G. CALAS, P. AGRINIER, T. ALLARD and P. ILDEFONSE. Terra Nova, 20, 206-212 (2008).
- Molecular dynamics study of structural changes versus deposited energy dose in a sodium borosilicate glass. G. BUREAU, J.-M. DELAYE, S. PEUGET and G. CALAS. Nucl. Instr. Methods B, 266, 2707-2710 (2008).
- Radiation-stability of smectite. S. SORIEUL, T. ALLARD, L.M. WANG, C. GRAMBIN-LAPEYRE, J. LIAN, G. CALAS and R.C. EWING. Environ. Sci.Technol., 42, 8407-8411 (2008).
- Radiation effects on clay mineral properties. T. ALLARD and G. CALAS. Appl. Clay Sci., 43, 143-149 (2009).
Phys. Chem. Miner., 36, 291-299 (2009).
- Induced modifications of kaolinite under ionizing radiation: an infrared spectroscopic study Induced modifications of kaolinite structural and vibrational properties under ionizing radiation. C. FOURDRIN, E. BALAN, T. ALLARD, C. BOUKARI and G. CALAS. Phys. Chem. Miner., 36, 291-299 (2009).
- Effect of radiation-induced amorphization on smectite dissolution. C. FOURDRIN, T. ALLARD, I. MONNET, N. MENGUY, M. BENEDETTI and G. CALAS. Environ. Sci. Technol,, 44, 2509–2514 (2010).
- First investigations of the influence of IVB elements (Ti, Zr, and Hf) on the chemical durability of soda-lime borosilicate glasses. B. BERGERON, L. GALOISY, P. JOLLIVET, F. ANGELI, T. CHARPENTIER, G. CALAS and S. GIN. J. Non-Cryst. Solids , 356, 2315-2322 (2010).
- Structural evolution of glass surface during alteration: application to nuclear waste glasses. E. PÈLEGRIN, G. CALAS, P. ILDEFONSE, P. JOLLIVET and L. GALOISY. J. Non-Cryst. Solids, 356, 2497-2508 (2010).
- Structural Evolution of Nuclear Glasses under Forcing Conditions (Irradiation, Alteration). G. CALAS, L. GALOISY, L. CORMIER, J.M. DELAYE, P. JOLLIVET and S. PEUGET. Scientific Basis for Nuclear Waste Management XXXIV, eds. K.L. Smith, S. Kroeker, B. Uberuaga, K.R. Whittle (Mater. Res. Soc. Symp. Proc. 1265), 77-88 (2010).

 

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