Acharya, P. Kumara ; Narayanan, P. S. (1973) Raman and infrared spectra of ferroelectric (CH3NH2CH2COO)3 CaCl2 Journal of Raman Spectroscopy, 1 (5). pp. 499-505. ISSN 0377-0486
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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/jrs.125...
Related URL: http://dx.doi.org/10.1002/jrs.1250010508
Abstract
Raman spectrum of Tris-sarcosine Calcium chloride has been recorded both in the para and ferroelectric phases using λ = 2537 Å of mercury as exciting radiation. The infrared absorption spectrum has been recorded both above and below the Curie temperature, in the region 400 to 4000 cm-1. From the observed splitting of the infrared bands it is concluded that the second order ferroelectric phase transition at 127K is due to a dynamical ordering of sarcosine molecules which exist in zwitteron configuration. Raman spectrum shows eight lattice lines which do not exhibit any anomaly as the crystal undergoes phase transition.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to John Wiley and Sons. |
| ID Code: | 32339 |
| Deposited On: | 16 Mar 2011 11:45 |
| Last Modified: | 10 Jun 2011 09:37 |
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