Calorimetric study of high pressure polymorphism in FeTiO3: Stability of the perovskite phase
β Scribed by Apurva Mehta; Kurt Leinenweber; Alexandra Navrotsky; Masaki Akaogi
- Publisher
- Springer-Verlag
- Year
- 1994
- Tongue
- English
- Weight
- 642 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0342-1791
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π SIMILAR VOLUMES
A high-pressure Raman study of BaCeO 3 was performed at room temperature. This perovskite compound undergoes two phase transitions at about 22 and 28 GPa. The increase in the number of bands is an indication that the symmetry is lowered and that the compound does not evolve towards the ideal cubic p
## Abstract We report here highβpressureβinduced phase transitions observed in nanocrystalline perovskite La~0.8~Sr~0.2~Mn~0.8~Fe~0.19~^57^Fe~0.01~O~3~ as a function of pressure up to 9.2 GPa at room temperature by Raman spectroscopy. The nanocrystalline sample, synthesized by the solβgel technique