Temperature study of [N(C3H7)4]2Cd2Cl6 by thermal analysis, Raman scattering, and X-ray powder diffraction: Evidence of phase transitions

N. Hannachi, A. Bulou, C. Chassenieux, K. Guidara and F. Hlel

Physica A: Statistical Mechanics and its Applications, 2011, vol. 390, issue 17, 2987-2994

Abstract: The phase transitions of [N(C3H7)4]2Cd2Cl6 have been evidenced by differential scanning calorimetry (DSC), and the different phases have been studied by Raman scattering on single crystals, in the frequency range 50–3900 cm−1 for temperatures ranging between 294 and 451 K. On heating, two reversible phase transitions are observed at T1=321.5K (weakly first order, with 1.2 K hysteresis) and T2=323.6K (second order), and a strongly first-order transition occurs in the vicinity of 448 K (T3), with breaking of the crystal and decrease of the temperature of transition for successive temperature cycles.

Keywords: Bis tetrapropylammonium hexachlorado-dicadmate; Phase transitions; DSC analysis; Raman scattering; X-ray diffraction (search for similar items in EconPapers)
Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:390:y:2011:i:17:p:2987-2994

DOI: 10.1016/j.physa.2011.03.020

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