## Abstract Although three forms of lithium phosphate are known, a complete structural description of the highest temperature polymorph has not yet been given. In the present work, the phase transitions of lithium phosphate were investigated at high temperatures using Raman microscopy and xβray pow
Spectroscopic study of phase transitions in dolomite mineral
β Scribed by S. Gunasekaran; G. Anbalagan
- Publisher
- John Wiley and Sons
- Year
- 2007
- Tongue
- English
- Weight
- 402 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0377-0486
- DOI
- 10.1002/jrs.1718
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The gypsum-bassanite-anhydrite phase transition sequence was followed up to 550 K at ambient pressure in a naturally occurring gypsum using Raman spectroscopy. The spectral variations of the internal (CaSO 4 AE 2H 2 O) modes of sulphate tetrahedra and were used to probe the structural phase transiti
## Abstract Several PbZr~1β__x__~Ti~__x__~O~3~ (PZT) compositions in the proximity of the morphotropic phase boundary (MPB) were examined by means of Raman spectroscopy in the 15β800 K temperature range. Previous studies performed by other researchers using various techniques evidenced that, in the