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Phase transitions and cation dynamics in [(CH3)2NH2]3Bi2Cl9 (DMACB)—Proton spin relaxation studies

✍ Scribed by P.K. Rajan; B. Jagadeesh; K. Venu; V.S.S. Sastry

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
507 KB
Volume
100
Category
Article
ISSN
0038-1098

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✍ 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