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35Cl NQR study of the low temperature transition in ferroelectric (CH3NH3)HgCl3

✍ Scribed by F. Milia; M. Voudouris


Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
119 KB
Volume
60
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 πŸ“‚ Article πŸ“… 2000 πŸ› Elsevier Science 🌐 English βš– 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