Vibrational interactions of tetrahedra in silicate glasses and crystals: III. Calculations on simple sodium and lithium silicates, thortveitite and rankinite

Vibrational interactions of tetrahedra in silicate glasses and crystals: III. Calculations on simple sodium and lithium silicates, thortveitite and rankinite

Differences between crystals and glasses in the number and location of main high-frequency ir peaks suggest short-range bonding rearrangements in glasses. (Crystallite models are not applicable.) Antisymmetrical mid-frequency ir modes occur in silicates more polymerized than the pyrosilicate. 40 ref...

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Veröffentlicht in:Physics and chemistry of minerals 1987-01, Vol.14 (6), p.542-552
1. Verfasser: Dowty, Eric
Format: Artikel
Sprache:eng
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Zusammenfassung:Differences between crystals and glasses in the number and location of main high-frequency ir peaks suggest short-range bonding rearrangements in glasses. (Crystallite models are not applicable.) Antisymmetrical mid-frequency ir modes occur in silicates more polymerized than the pyrosilicate. 40 refs. For part I, see Ceram. Abstr., 1988, 67 [9-10] 67-09207A.
ISSN:0342-1791
1432-2021
DOI:10.1007/BF00308290