## Abstract Raman spectra of oriented single crystals of (NH~4~)~2~SiF~6~ are reported for the temperature range 440โ20 K. The trigonal phase stable below 278 K undergoes a transition at 38.6 K. The changes in the spectra show that the symmetry does not remain trigonal, but give evidence for a lowe
โฆ LIBER โฆ
A Raman spectroscopic determination of the kinetics of decomposition of ammonium chromate (NH4)2CrO4
โ Scribed by D. De Waal; A.M. Heyns; K.-J. Range
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 496 KB
- Volume
- 80
- Category
- Article
- ISSN
- 0022-4596
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