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Effect of hydrostatic pressure on the phase transitions in (CH3NH3)3Bi2Br9

✍ Scribed by P. Kozioł; R. Jakubas


Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
228 KB
Volume
72
Category
Article
ISSN
0038-1098

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Low-Temperature Phase Transition and Str
✍ I. Belkyal; R. Mokhlisse; B. Tanouti; K.-F. Hesse; W. Depmeier 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 162 KB

CH 3 NH 3 ) 3 Bi 2 Cl 9 exhibits two phase transitions at T c 1 ‫؍‬ 349 K and T c 2 ‫؍‬ 247 K. The upper transition is probably isomorphous and reveals itself by the anomalous evolution of the lattice parameters. This behavior is explained to be due to increasing thermal motion of the methylammonium