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Vibrational Spectra of SiH<sub>4</sub> and SiD<sub>4</sub>–SiH<sub>4</sub> Mixtures in the Condensed States
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1972
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EngineeringSolid-state ChemistryChemistrySpectroscopic PropertySpectra-structure CorrelationSid 4Crystal FormationCondensed StatesMaterials SciencePhysicsPhysical ChemistryCrystalline Sih 4Quantum ChemistryVibrational SpectraSolid–solid Phase TransitionNatural SciencesSpectroscopyCondensed Matter PhysicsApplied Physics
The i.r. and Raman spectra of liquid and crystalline SiH 4 and SiD 4 –SiH 4 mixtures have been recorded. The spectra show striking changes when the crystal undergoes the solid–solid phase transition. Phase I is disordered. Possible site, and factor groups for the low temperature crystalline phase are proposed.