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A new approach to assignment of infra-red absorption bands in layer-structure silicates
Published/Copyright:
July 28, 2010
Abstract
The infra-red spectra of layer structures synthesized under controlled high-temperature, high-pressure conditions in sealed noble-metal systems have been examined in the region 400–5000 cm−1 (25–2 μ). By complete replacement of an ion, e.g., Mg2+ by Ni2+ or Fe2+, Al3+ by Ga3+ or Fe3+, and Si4+ by Ge4+ it was possible to assign the main absorption bands of layer-structure silicates. Bands involving various OH-vibrations were located by complete replacement of OH− by OD−.
The results obtained in this study suggest certain other relations between the bonds involved and IR spectra of the complex crystalline phases.
Published Online: 2010-07-28
Published in Print: 1961-08
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Articles in the same Issue
- The heteromorphism of phosphoferrite-reddingite
- Berechnung der Ionenradien allein aus den Ionenabständen I. Alkalihalogenide und Erdalkalichalkogenide1
- On damping factors and convergence in the least-squares refinement of atomic-position parameters
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- Bonding in the trigonal bipyramidal coordination polyhedra of V2O5 and of certain other structures containing pentavalent vanadium
- Farbgruppen
- Kristallformen des trigonalen Selens*
- On the measurement of integrated intensities
- Dichte und Raumerfüllung bei intermetallischen Verbindungen, insbesondere Laves-Phasen
- Refinement of the crystal structure of andalusite
- Melting curve to 15,000 bars and lattice constants of Bridgman's AgNO3 II
- Strukturuntersuchungen an Harnstoffeinschlußverbindungen
- Unit cell and space group of cobaltous sulphate monohydrate
- Buerger's minimum function expressed as an equation
- Supplementary note on “False symmetry, the Templeton effect, in lawsonite”
- Note on the false symmetry effect (“Templeton effect”)
- The crystal structure of andalusite
- Etch-pits in CdI2 crystals
- A handbook of lattice spacings and structures of metals and alloys.
