PROTON MAGNETIC-RELAXATION STUDY OF CATION DYNAMICS IN TMACA

Authors
JAGADEESH B RAJAN PK VENU K SASTRY VSS
Citation
B. Jagadeesh et al., PROTON MAGNETIC-RELAXATION STUDY OF CATION DYNAMICS IN TMACA, Solid state communications, 86(12), 1993, pp. 803-806
Citations number
8
Categorie Soggetti
Physics, Condensed Matter
Journal title
Solid state communications → ACNP
ISSN journal
00381098
Volume
86
Issue
12
Year of publication
1993
Pages
803 - 806
Database
ISI
SICI code
0038-1098(1993)86:12<803:PMSOCD>2.0.ZU;2-L
Abstract
Cation dynamics in tris(trimethylammonium) nonachlorodiantimonate, whi ch shows different phases as a function of temperature, is studied thr ough proton spin lattice relaxation measurements at five Larmor freque ncies. Results show a clear signature of the para-ferroelectric phase transition at 363K and the existence of dynamically inequivalent trime thylammonium cations and methyl groups, both in the ratio of 1:2. Vari ous activation energies associated with the dynamics of the cations an d methyl groups are calculated.