Fig. 1


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Spectre Raman d’un verre Na2Si4O9 contenant 1 pds % d’eau. Les signaux des vibrations inter-tétrahédriques (200–675 cm−1), intra-tétrahédrique (stretching Si–O ou Al–O, 800–1300 cm−1) sont visibles, ainsi que le stretching O–H de l’eau dissoute dans le verre. Les pics marqués O2 et N2 sont des signaux atmosphériques.

Raman spectrum of a Na2Si4O9 glass containing 1 wt% of water. Signals from inter-tetrahedral (200–750 cm−1) and intra-tetrahedral (Si–O or Al–O stretching, 800–1300 cm−1) are visible, as well as the O–H stretching of the water dissolved in the glass. The peaks labeled as O2 and N2 are atmospheric signals.

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