Selected Publications


Glass/melts structure and properties
 
- Etude expérimentale du comportement de l'uranium dans les magmas: états d'oxydation et coordinance. G. CALAS. Geochim. Cosmochim. Acta, 43, 1521-1531 (1979).
- Géochimie des éléments hygromagmatophiles, coefficients de partage minéraux/liquides et propriétés structurales de ces éléments dans les liquides magmatiques. M. TREUIL, J.L. JORON, H. JAFFREZIC, B. VILLEMANT et G. CALAS. Bull. Minéral., 102, 402-409 (1979).
- Spectres d'absorption X du fer dans les verres silicatés naturels et synthétiques, réalisés avec le rayonnement synchrotron. G. CALAS, P. LEVITZ, J. PETIAU, P. BONDOT et G. LOUPIAS. Rev. Phys. Appl., 15, 1161-1167 (1980).
- Etude par spectrométrie Mossbauer du fer(III) dans des verres silicatés multicomposants d'intérêt géologique. P. LEVITZ, G. CALAS, D. BONNIN et A.P. LEGRAND. Ibid., 1169-1173 (1980).
- A two-parameter distribution analysis of Mossbauer spectra in non-crystalline solids using a general inversion method. P. LEVITZ, D. BONNIN, G. CALAS and A.P. LEGRAND. J. Phys. E, Sci. Instr., 13, 427-432 (1980).
- Spectroscopic effects of molybdenum contamination from containers. G. CALAS. In "Progress in experimental Petrology 5", 1980, 109-112, NERC Londres (1981).
- Spectroscopic properties of transition elements in glasses of geological interest. G. CALAS. J. Physique, 43, C9, 311-314 (1982).
- Local structure about some transition elements in oxide glasses using X-ray absorption spectroscopy. J. PETIAU and G. CALAS. Ibid., 47-50 (1982).
- Structure of oxide glasses: spectroscopic studies of local order and crystallochemistry. Geochemical implications. G. CALAS and J. PETIAU. Bull. Minéral., 106, 33-55 (1983).
- Ordre local autour du germanium dans des verres du système SiO2-GeO2-B2O3-Na2O: étude par spectrométrie d'absorption X. C. LAPEYRE, J. PETIAU, G. CALAS, F. GAUTHIER et J. GOMBERT. Ibid., 77-85 (1983).
- Coordination of iron in oxide glasses through high resolution K-edge spectra: informations from the pre-edge. G. CALAS and J. PETIAU. Solid State Comm., 48, 625-629 (1983).
- Thermal darkening in silica glass: a spectroscopic study. E. FRITSCH and G. CALAS. J. non Cryst. Solids, 72, 175-179 (1985).
- X-ray absorption near edge structure of 3d-transition elements in tetrahedral coordination: the effect of bond length variation. A. BIANCONI, E. FRITSCH, G. CALAS and J. PETIAU. Phys. Rev. B, 32, 4292-4295 (1985).
- EXAFS and XANES structure-Application to nucleation in oxide glasses. J. PETIAU and G. CALAS. J. Physique, 46, C8, 41-50 (1985).
- Local structure in SiO2 glasses by oxygen K-edge XANES. A. MARCELLI, I. DAVOLI, A. BIANCONI, J. GARCIA, A. GARGANO, C.R. NATOLI, M. BENFATTO, P. CHIARADIA, M. FANFONI, E. FRITSCH, G. CALAS and J. PETIAU. Ibid., 107-112 (1985).
- Delocalized versus localized unoccupied 5f-states and the uranium site structure in uranium oxides and glasses probed by X-ray absorption near edge structure. J PETIAU, G. CALAS, D. PETITMAIRE, A. BIANCONI, M. BENFATTO and A. MARCELLI. Phys. Rev. B, 34, 7350-7361 (1986).
- Vanadium incorporation in silica glasses. E. FRITSCH, F. BABONNEAU, C. SANCHEZ and G. CALAS. J. non Cryst. Solids, 92, 282-294 (1987).
- Trace element distribution coefficients in alkali basalt series. F. LEMARCHAND, B. VILLEMANT and G. CALAS. Geochim. Cosmochim. Acta., 51, 1071-1081 (1987).
- Electron paramagnetic resonance of perlites from the Eastern Rhodopes, Bulgaria. G. CALAS, S. ANGELOV, Y. YANEV and R.I. KOSTOV. Geologica Balkanica, 18, 53-60 (1988).
- Pressure-induced coordination changes in crystalline and vitreous GeO2. J.P. ITIE, A. POLIAN, G. CALAS, J. PETIAU, A. FONTAINE and H. TOLENTINO. Phys. Rev. Letters, 63, 398-401 (1989).
- Coordination changes in crystalline and vitreous GeO2. J.P. ITIE, A. POLIAN, G. CALAS, J. PETIAU, E. DARTYGE, A. FONTAINE and H. TOLENTINO. High Pressure Research, 17, 717-719 (1990).
- Spectroscopic evidence for 5-fold coordinated nickel in Ni-diopside glass. L. GALOISY and G. CALAS. Amer. Mineral., 76, 1777-1780 (1991).
- Network forming nickel in silicate glasses. L. GALOISY and G. CALAS. Amer. Mineral., 77, 677-680 (1992).
- Structural environments of incompatible elements in silicate glass/melts systems: II. U(VI), U(V) and U(IV). FARGES F.,  PONADER C.W., CALAS G., and BROWN G.E., Jr. Geochim. Cosmochim. Acta, 56, 4205-4220 (1992).
- Structural environment of nickel in silicate glass/melt systems. I. Spectroscopic determination of coordination states. L. GALOISY and G. CALAS. Geochim. Cosmochim. Acta, 57, 3613-3626 (1993).
- Structural environment of nickel in silicate glass/melt systems. II. Geochemical implications. L. GALOISY and G. CALAS. Geochim. Cosmochim. Acta, 57, 3627-3633 (1993).
- Structural transformation in Ni-bearing Na2Si2O5 glass and melt. F. FARGES,  G.E. BROWN, Jr., G. CALAS, L. GALOISY and G.A. WAYCHUNAS. Geophys. Res. Lett., 21, 1931-1934 (1994).
- Cations in glasses under ambient and non-ambient conditions. G. CALAS, G.E. BROWN, F. FARGES, L. GALOISY, J.P. ITIE and A. POLIAN. Nucl. Instr. Methods, B97, 155-161 (1995).
- Coordination change around 2 wt.% Ni in Na2Si2O5 glass melt systems. F. FARGES, G.E. BROWN, Jr., G. CALAS, L. GALOISY and G.A. WAYCHUNAS. Physica B, 209, 381-382 (1995).
- Medium range order around cations in silicate glasses. L. CORMIER, S. CREUX, L. GALOISY, G. CALAS and P.H. GASKELL. Chem. Geol., 128, 77-91 (1996).
- The environment of titanium in a potassium silicate glass determined by neutron scattering with isotopic substitution. L. CORMIER, P.H. GASKELL, G. CALAS, J. ZHAO and A. SOPER.  Physica B, 234-236, 393-395 (1997).
- A reverse Monte Carlo study of a titanosilicate glass. L. CORMIER, G. CALAS and P.H. GASKELL.  J. Phys, Condens. Matter, 9, 10129-10136 (1997).
- The environment around Li in the LiAlSiO4 ionic conductor glass: a neutron scattering and Reverse Monte Carlo study. L. CORMIER, P.H. GASKELL, G. CALAS, J. ZHAO and A.K. SOPER. Phys. Rev. B, 57, 8067-8070 (1998).
- Medium range order around titanium in a silicate glass studied by neutron diffraction with isotopic substitution. L. CORMIER, P.H. GASKELL, G. CALAS and A.K. SOPER. Phys. Rev. B, 58, 11322-11330 (1998).
- Environment around strontium in silicate and aluminosilicate glasses. L. CORMIER, G. CALAS, S. CREUX, P.H. GASKELL, B. BOUCHET-FABRE and A.C. HANNON. Phys. Rev. B, 59, 13517-13520 (1999).
- Evidence of ordered domains in nickel-bearing alkali borate glasses. L. CORMIER, L. GALOISY and G. CALAS. Europhys. Lett., 45, 572-578 (1999).
- 57Fe Mössbauer spectroscopy of tektites. ROSSANO S., BALAN E., MORIN G., BAUER J.-P., CALAS G. and BROUDER C.. Phys. Chem. Minerals , 26: 530-538 (1999).
- Iron surrounding in CaO-FeO-SiO2 glass: EXAFS and molecular dynamics simulation. S. ROSSANO, A. RAMOS, J.-M. DELAYE, A. FILIPPONI, S. CREUX, Ch. BROUDER, G. CALAS. J. Synchrotron Rad., 6, 247-248 (1999).
- Structural environment of krypton dissolved in vitreous silica. R. WULF, K. ROSELIEB, A. RAMOS, G. CALAS, M. ROSENHAUER. Amer. Mineral., 84, 1461- 1463 (1999).
- Competition for charge compensation in borosilicate glasses. L. CORMIER, D. GHALEB, J.-M. DELAYE and G. CALAS. Phys. Rev. B, 61, 14495-14499 (2000).
- EXAFS and Molecular Dynamics combined study of CaO-FeO-SiO2 glass. New insight into site significance in silicate glasses. S. ROSSANO, A. RAMOS, J.-M. DELAYE, S. CREUX, A. FILIPPONI, Ch. BROUDER, G. CALAS. Europhys. Lett., 49, 597-602 (2000).
- Structure and properties of low-silica calcium aluminosilicate glasses. L. CORMIER, D. NEUVILLE and G. CALAS. J. non Cryst. Solids, 274, 110-114 (2000).
- Short- and medium-range structural order around cations in glasses: a multidisciplinary approach. L. CORMIER, L. GALOISY; J.M. DELAYE, D. GHALEB and G. CALAS. C.R. Acad. Sci., 2-IV, 249-262 (2001).
- Cationic ordering in oxide glasses: the example of transition elements. L. GALOISY, L. CORMIER, S. ROSSANO, G. CALAS and Ph. GASKELL. Mineral. Mag., 64, 409-424 (2000).
- A high temperature neutron diffraction study of a titanosilicate glass. L. CORMIER, G. CALAS, D. R. NEUVILLE and R. BELLISSENT. J. non Cryst. Solids, 293-295, 510-516 (2001).
- Cationic environment in glasses studied by neutron diffraction with isotopic substitution. L. CORMIER, G. CALAS and P.H. GASKELL. Chem. Geol., 174, 349-363 (2001).
- High-resolution XANES spectra of iron in minerals and glasses: structural information from the pre-edge region . L. GALOISY, G. CALAS and M.A. ARRIO. Chem. Geol., 174, 307-319 (2001).
- Investigation of multicomponent silicate glasses by coupling WAXS and molecular dynamics. J.-M. DELAYE, L. CORMIER, D. GHALEB and G. CALAS. J. non Cryst. Solids, 293-295, 290-296 (2001).
- Environment of Ni, Co and Zn in low alkali borate glasses: information from EXAFS and XANES spectra. L. GALOISY, L. CORMIER, G. CALAS and V. BRIOIS. J. non Cryst. Solids, 293-295, 105-111 (2002).
- Structure-property relationships in muti-component oxide glasses. G. CALAS, L. CORMIER, L. GALOISY and P. JOLLIVET. C.R. Chimie, 5, 831-843 (2003).
- Chemical dependence of network topology of calcium aluminosilicate glasses: a computer simulation study. L. CORMIER, D. GHALEB, D. NEUVILLE, J.-M. DELAYE and G. CALAS. J. non Cryst. Solids, 332, 255-270 (2003).
- Medium-range order in alkali metaphosphate glasses and melts investigated by reverse Monte Carlo simulations and diffraction analysis. S. BEAUFILS, L. CORMIER, C. ECOLIVET, G. CALAS, R. MARCHAND et A. LE SAUZE.  Phys. Rev. B 67, 104201, 1-7 (2003).
- X-ray microspectroscopy of sulphur in basaltic glass inclusions. Inference on the volcanic sulphur emissions. N. METRICH, J. SUSINI, L. GALOIS, G. CALAS, M. BONNIN-MOSBAH, and B. MENEZ. J. Phys. IV France, 104, 393-398 (2003).
- Temperature-induced boron coordination change in alkali borate glasses and melts. MAJÉRUS O., CORMIER L., CALAS G., BEUNEU B. Phys. Rev. B 67, 024210-1-7 (2003).
- Chemical stability of Ni-enriched nanodomains in alkali borate glasses. L. GALOISY, G. CALAS and L. CORMIER. J. non Cryst. Solids, 321, 197-203 (2003).
- Structural modifications between lithium-diborate glasses and melts: implications for transport properties and melt fragility. O. MAJÉRUS, L. CORMIER, G. CALAS and B. BEUNEU. J. Phys. Chem., 47, 13044 - 13050 (2003).
- The lithium environment in lithium diborate glass studied by neutron diffraction with isotopic substitution of Li. MAJÉRUS O., CORMIER L., CALAS G., SOPER A.K.. Physica B, 350, 258-261 (2004).
- The effect of redox state on the local structural environment of iron in silicate glasses: a combined XAFS spectroscopy, molecular dynamics, and bond valence study. FARGES F., LEFRÈRE Y., ROSSANO S., BERTHEREAU A., CALAS G. and BROWN, G.E. Jr. J. non Cryst. Solids, 344, 176-188 (2004).
- Pressure-induced Ge coordination change and polyamorphism in SiO2-GeO2 glasses. O. MAJÉRUS, L. CORMIER, J-P. ITIÉ, L. GALOISY, D. R. NEUVILLE and G. CALAS. J. non Cryst. Solids, 345-346, 34-38 (2004).
- A neutron diffraction study of temperature-induced structural changes in potassium silicate glass and melt. O. MAJÉRUS, L. CORMIER, G. CALAS and B. BEUNEU. Chem. Geol., 213, 89-102 (2004).
- Relationship between structure and glass transition temperature in low-silica calcium aluminosilicate glasses: the origin of the anomaly at low silica content. L. CORMIER, D. NEUVILLE and G. CALAS. J. Amer. Ceram. Soc., 88, 2292-2299 (2005).
- Overview of the environment of Ni in oxide glasses and relation with the glass coloration. GALOISY L., CALAS G., CORMIER L., MARCQ B. and THIBAULT M.H.  Phys. Chem. Glasses, 46, 394-399 (2005).
- Temperature-induced structural modifications between alkali borate glasses and melts. L. CORMIER, O. MAJÉRUS, D.R. NEUVILLE and G. CALAS. J. Amer. Ceram. Soc., 89, 13-19 (2006).
- Determination of the thermal expansion of Cr3+ sites in glasses. G. CALAS, O. MAJÉRUS, L. GALOISY and L. CORMIER. Appl. Phys. Lett., 88, 121918 (2006).
- Crystal-field spectroscopy of Cr3+ in glasses. G. CALAS, O. MAJERUS, L. GALOISYand L. CORMIER. Chem. Geol., 229, 218-226 (2006).
- Evidence for symmetric cationic sites in zirconium-bearing oxide glasses. G. FERLAT, L. CORMIER, M. H. THIBAULT, L. GALOISY, G. CALAS, J. M. DELAYE and D. GHALEB. Phys. Rev. B 73, 214207 (2006).
- Determination of Fe3+ sites in a NaFeSi2O6 glass by neutron diffraction with isotopic substitution coupled with numerical simulation. C. WEIGEL, L. CORMIER, L. GALOISY, G. CALAS, D. BOWRON and B. BENEU. Appl. Phys. Lett., 89, 141911 (2006).
- Glasses and melts: Linking geochemistry and materials science. G. CALAS, G. S. HENDERSON and J. F. STEBBINS. Elements, 2, 265-268 (2006).
- The structure of glasses and melts. G. S. HENDERSON, G. CALAS and J.F. STEBBINS. Elements, 2, 269-273 (2006).
- Ab-initio calculations on borate systems. FERLAT G., CORMIER L., MAURI F., BALAN E.,  CALAS G., CHARPENTIER T. and Anglada E. Eur. J. Glass Sci. Technol. B, 47, 441-444 (2006)
- Structure of single and mixed alkali Li-Rb borate glasses by neutron diffraction. L. CORMIER, G. CALAS and B. BEUNEU. J. Non-Cryst. Solids, 353, 1779-1784 (2007).
- Amorphous-amorphous transformation at high pressure in gallo-germanosilicate tetrahedral network glasses. L. CORMIER, G. FERLAT, J.-P. ITIÉ, L. GALOISY, G. CALAS and G. AQUILANTI. Phys. Rev. B 76, 134204 (2007).
- XANES determination of chromium oxidation states in glasses: comparison with optical absorption spectroscopy. O. VILLAIN, G. CALAS, L. GALOISY, L. CORMIER and J.L. HAZEMANN. J. Amer. Ceramic Soc. 90, 3578–3581 (2007).
- The structure of SiO2-GeO2 glasses: a spectroscopic study. O. MAJÉRUS, L. CORMIER, D.R. NEUVILLE, L. GALOISY and G. CALAS. J. Non-Cryst. Solids, 354, 2004-2009 (2008).
- High resolution Al L2,3 edge X-ray Absorption Near Edge Structure: determination of Al surrounding in minerals and glasses. C. WEIGEL, G. CALAS; L. CORMIER, L. GALOISY and G. HENDERSON. J. Phys. Cond. Matt., 20, 135219 (2008).
- Intermediate range order in the silicate network glasses NaFexAl1-xSi2O6 (x=0,0.5,0.8,1). A neutron diffraction and empirical potential structure refinement modeling investigation. C. WEIGEL, L. CORMIER, G. CALAS, L. GALOISY and D.T. BOWRON. Phys. Rev. B, 78, 064202 (2008).
- Boroxol rings in liquid and vitreous B2O3 from first-principles. G. FERLAT, T. CHARPENTIER, A. SEITSONEN, A. TAKADA, M. LAZZERI, L. CORMIER, G. CALAS and F. MAURI. Phys. Rev. Lett., 101, 065504 (2008).
- Nature and distribution of iron sites in a sodium silicate glass investigated by neutron diffraction and EPSR simulation. C. WEIGEL, L. CORMIER, G. CALAS, L. GALOISY and D.T. BOWRON. J. Non-Cryst. Solids, 354, 5378-5385 (2008).
- Quantification of boron coordination changes between lithium borate glasses and melts by neutron difffraction. L. CORMIER, G. CALAS and B. BENEU. Phys. Chem. Glasses, 50, 195-200 (2009).
- In situ study of ZrO2 nucleation in an MgO-Al2O3-SiO2 glass. O. DARGAUD, G. CALAS, L. CORMIER, L. GALOISY, C. JOUSSEAUME, G. QUEREL and M. NEWVILLE. J. Amer. Ceram. Soc. 93, 342-344 (2010).
- Spectroscopic and structural properties of Cr3+ in silicate glasses. O. VILLAIN, L. GALOISY and G. CALAS. J. Non-Cryst. Solids, 356, 2228-2234 (2010).
- Structural study of Ca-Mg and K-Mg mixing in silicate glasses by neutron diffraction . L. CORMIER, G. CALAS and G.J. CUELLO. J. Non-Cryst. Solids, 356, 2327-2331 (2010).
- Structural role of Zr4+ as a nucleating agent in a MgO-Al2O3-SiO2 glass-ceramic: a combined XAS and HRTEM approach. O. DARGAUD, L. CORMIER, N. MENGUY, L. GALOISY, G. CALAS, S. PAPIN, G. QUEREL and L. OLIVI. J. Non-Cryst. Solids, 356, 2928–2934 (2010).
- Structural changes between soda-lime silicate glass and melt. L. CORMIER, G. CALAS and B. BEUNEU, J. Non-Cryst. Solids, 357, 926-931 (2011).
 


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