Étude, sans contact, par EXAFS haute température aux seuils K de Ga et Y de grenats Ln3A5O12 solides et liquides (Ln = Y, A = Al, Ga)

Launay, X; Gautier, N.; Ruffier, D.; Landron, C.; Coutures, Jean-Pierre; Bazin, Dominique

doi:10.1016/s1251-8069(97)80191-1

Cited by 2 publications

(2 citation statements)

References 14 publications

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“…( 1) are given by the relation asymmetry of the ERDF used in the least-squares fitting. Our results agree well with the average coordination number of yttrium (CN = 7.6) in liquid YAG calculated from molecular dynamics simulation by Launay et al [21] using a Born-Mayer-type ionic pair potentials [22].…”

supporting

confidence: 90%

Contactless investigation on laser-heated oxides by synchrotron radiation

et al. 1998

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Aerodynamic levitation associated with CO2 laser heating was used to carefully characterize a series of rare-earth and others refractory oxides in the solid and the liquid state. The differences and the similarities between the structure on both sides of the liquid-crystalline solid phase transition are discussed. The temperature dependence of the structural parameters has been studied by performing, for the first time, in situ combined XAS and XRD experiments up to 2800°C.

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supporting

confidence: 90%

Contactless investigation on laser-heated oxides by synchrotron radiation

et al. 1998

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“…At these temperatures, network cations and anions are in motion along with modifying species as a result of which structural constraints, like the microstructure re ected in the models of oxide glasses, are no longer xed. Recent developments in ultrahigh temperature diffraction and XAFS measurements of liquid refractories (Launay et al, 1997) will be very important, particularly if they can be extended to small angle X-ray and neutron scattering.…”

Section: Fig 4 Surface Of Namentioning

confidence: 99%

Structure and ionic transport in disordered silicates

Greaves

2000

Mineral. mag.

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A brief review is given of the ways in which the local structure in glass can influence the microstructure that supports ionic transport. This in turn contributes to the co-operative nature of ion dynamics and ways in which this underpins the ‘mixed alkali effect’ are discussed. Glass microstructure too is expected to affect glass fracture as well as the chemistry of glass surfaces. In melts, though, these restrictions appear to vanish as the rigidity of intermediate range order is lost.

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Étude, sans contact, par EXAFS haute température aux seuils K de Ga et Y de grenats Ln3A5O12 solides et liquides (Ln = Y, A = Al, Ga)

Cited by 2 publications

References 14 publications

Contactless investigation on laser-heated oxides by synchrotron radiation

Contactless investigation on laser-heated oxides by synchrotron radiation

Structure and ionic transport in disordered silicates

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