… In this paper, we present new results using Raman spectroscopy and 27Al nuclear magnetic
resonance on MAS and CMAS glasses. We propose an Al/Si tetrahedral distribution in the …

… These new materials were characterized by X-ray powder diffraction (XRD), 27 Al nuclear
magnetic resonance (NMR); vibrational (FT-IR and Raman Microprobe) and UV–visible diffuse …

… characteristics of CaO–SiO 2 -based glassy samples with various Al 2 O 3 contents were
examined quantitatively by Raman spectroscopy and 27 Al MAS NMR. A … , and Raman spectral …

… In this paper, we present new results using Raman spectroscopy and 27Al nuclear magnetic
resonance on MAS and CMAS glasses. We propose an Al/Si tetrahedral distribution in the …

… Using Raman spectroscopy and high field 27 Al NMR spectroscopy, we have determined …
In the SrO–Al 2 O 3 system, we synthesized glasses between 55% and 75% of SrO. And finally, …

… Millot (CRMHT CNRS) for their help in the synthesis of several of the glasses used in this
study; H. Forster, S. Steuernagel and Bruker Karlsruhe for acquisition of 750 MHz …

… We note that the quantitative 27 Al MAS NMR analysis of C1_H hydrated for 30 weeks gives
the … = 1.00 sample but excluded either Ca(OH) 2 or SiO 2 from the synthesis mixture. The …

… using Raman spectroscopy, X-ray absorption at the Al K-edge and 27 Al NMR spectroscopy
… from pure SiO 2 to calcium aluminate can be synthesized using normal quench rate (10/s), …

… 72 h (Figure 3e), the yield of this material surpassed 80%. We demonstrate that the XRD
pattern of the synthesized gibbsite is well-fit by simulated curves using the standard powder …

… and 9.7 ppm are shown in our 27 Al MAS NMR spectra at 11.7 T, which obviously originate
… Figure 3 also presents the curves obtained from fitting the 27 Al MAS NMR spectra. This two-…