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Raman scattering study of the ferroelectric phase transition in tris-sarcosine calcium chloride (tscc)

✍ Scribed by Louis-Claude Brunel; Jean-Claude Bureau; Siegfried Wartewig; Wolfgang Windisch

Publisher
Elsevier Science
Year
1980
Tongue
English
Weight
235 KB
Volume
72
Category
Article
ISSN
0009-2614

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✦ Synopsis

We obtained Raman scattermg spectra of normal and deuterated TSCC crystals and one TSCC,_,B, mived crystal (Cl-x = Cl. Et, = Br). The soft-mode behavlour IS studted m the temperature range from 80 K to the Curie pomt. The Land T component of the soft mode are overdamped near 100 K whale the oblique component can be observed alI over the temperature range we studred. For both normal TSCC and mLxed TSCC ment with drelectrrc measurements and theoretxal cakufations.

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13C NMR investigations of the ferroelect
13C NMR investigations of the ferroelectric phase transition of tris-sarcosine calcium chloride
✍ D. Michel; F. Engelke πŸ“‚ Article πŸ“… 1983 πŸ› Elsevier Science 🌐 English βš– 400 KB

13 C IWR spectra were measured for tris-sarcosine calcium chloride (TSCC) crystals in ths par.xlectric phase (at temperatures of ==300 and 150 K) and in the ferroelectric phase (at temperatures of 119 K) by double-resonance techniques with proton decoupling. The ferrorlastic single crystals were rot