Study of the dynamics of phase transition in NH4SCN by a precise Raman linewidth and frequency shift measurement
β Scribed by Ranjan K. Singh; B.P. Asthana; H.D. Bist
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 566 KB
- Volume
- 209
- Category
- Article
- ISSN
- 0009-2614
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π SIMILAR VOLUMES
Effects of the phase transition between the high-temperature tetragonal phases of the CsScF 4 crystal were studied by Raman scattering. The appearance of new lines including a soft mode was observed below the phase transition point, in complete accordance with the new crystal symmetry. The behavior
## Abstract The solid to smecticG (SmG) phase transition in a Schiff base liquid crystalline compound, terepthalβbisβheptylaniline (TB7A), is monitored __in situ__ by temperatureβdependent Raman microspectroscopy, using the band of a Cο£ΏH inβplane bending mode as a marker. Contrary to the earlier re