2016
DOI: 10.1016/j.jnoncrysol.2016.06.034
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Structural investigation of gallate glass using L3-edge extended X-ray absorption spectroscopy and computer simulation

Abstract: General rightsThis document is made available in accordance with publisher policies. Please cite only the published version using the reference above. ) prepared by aerodynamic levitation and laser heating. The short range ordering around the rare-earth has been obtained by combined technique including molecular dynamics simulation (MD). The results give an average Pr-O coordination number of 6.68(2) and a mean Ga-O coordination number of 4.29(2).A good agreement between the experimental data and the simple mo… Show more

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Cited by 9 publications
(7 citation statements)
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“…For Ga−Ga, Ga−La, and La−La interactions, both A ij and C ij were set to 0, i.e., only Coulomb interactions were considered. 15 The above results are qualitatively consistent with the MAS NMR spectra in Figure 1. Figure 4b shows that the coordination number of the La−O pair is mainly 6−9.…”
Section: Resultssupporting
confidence: 88%
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“…For Ga−Ga, Ga−La, and La−La interactions, both A ij and C ij were set to 0, i.e., only Coulomb interactions were considered. 15 The above results are qualitatively consistent with the MAS NMR spectra in Figure 1. Figure 4b shows that the coordination number of the La−O pair is mainly 6−9.…”
Section: Resultssupporting
confidence: 88%
“…Recently, binary glass systems containing only rare-earth oxides and gallium oxide were synthesized by the levitation technique. 15,16 Particularly, La 2 O 3 −Ga 2 O 3 glass exhibited excellent optical properties, such as high refractive index, low dispersion, wideband transmittance, and efficient fluorescent emission by rare-earth activation. 16−19 These properties can be attributed to the high oxygen polarizability, low vibrational frequency, and large rare-earth solubility of the La 2 O 3 −Ga 2 O 3 glass.…”
Section: Introductionmentioning
confidence: 99%
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“…Very recently, Kidkhunthod et al . reported the glass formation of Pr 3 Ga 5 O 12 glass by a levitation technique and investigated local structure around Pr and Ga atoms10.…”
mentioning
confidence: 99%
“…Containerless methods have been shown to extend glass formation by enabling deep supercooling into regions where fragile liquids start to become viscous [5,[73][74][75][76][77][78][79]. Cooling rates of the order of ~30-1000 K/s are typically obtained from quenching bulk glasses in the aerodynamic levitator.…”
Section: Radiation Scattering Experimentsmentioning
confidence: 99%