Ganguly, Somnath ; Rao, K. J. ; Rao, C. N. R. (1985) An infrared spectroscopic study of the incommensurate transitions and related phase changes in K2Pb[Cu(NO2)6] and [N(CH3)4]2MX4 (M=Mn, Co, Cu or Zn and X=Cl or Br) Spectrochimica Acta Part A: Molecular Spectroscopy, 41 (1-2). pp. 307-314. ISSN 0584-8539
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/058485...
Related URL: http://dx.doi.org/10.1016/0584-8539(85)80109-4
Abstract
K2Pb[Cu(NO2)6] and [N(CH3)4]2MX4 (M=Mn, Co, Cu or Zn and X=Cl or Br) undergo phase transitions which involve incommensurate phases. The transitions have been investigated by examining the changes in the NO2 and CH3 vibration bands in the i.r. spectra. Splitting and broadening of some of the bands across the incommensurate transitions are discussed in the context of geometrical restrictions in the incommensurate phases. The phase transitions have also been characterized using differential scanning calorimetry.
| Item Type: | Article |
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| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 40082 |
| Deposited On: | 21 May 2011 08:21 |
| Last Modified: | 26 May 2011 11:51 |
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