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Phase transition in the family LaxBi4−xTi3O12: In relation to lattice symmetry and distortion

✍ Scribed by Masaji Shimazu; Junzo Tanaka; Kunitaka Muramatsu; Masayuki Tsukioka


Publisher
Elsevier Science
Year
1980
Tongue
English
Weight
304 KB
Volume
35
Category
Article
ISSN
0022-4596

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High temperature Raman scattering in Sm0
✍ P. Alain; J. P. Coutures; B. Piriou 📂 Article 📅 1979 🏛 John Wiley and Sons 🌐 English ⚖ 427 KB

## Abstract Raman spectra of molten Sm~0.8~La~0.2~AlO~3~ have been recorded from room temperature to 1470 K. Experimental results show that a first‐order phase transition occurs at 580 K and that two phonon modes appear very unstable in the high temperature phase. Comparison with Raman data obtaine