XRD, DSC and Raman studies of phases transition in NH3(CH2)6NH3BiCl5 - Ouasri, Ali;Rhandour, Ali
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The hexylenediammonium pentachlorobismuthate, NH3(CH2)6NH3BiCl5 crystal has been studied by means of XRD, DSC and spectroscopy (IR and Raman)techniques. The X-ray powder study develooped at different temperatures showed that the crystal exhibits two phase transitions near 286 K and 326 K. The DSC analysis (on heating and couling) confirmed the existence of these phase transitions at 291/286 K and 326/325 K. The Raman spectroscopy study made at various temperatures showed that both anionic and cationic motions contribute to the complex transition mechanisms.

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Produktbeschreibung
The hexylenediammonium pentachlorobismuthate, NH3(CH2)6NH3BiCl5 crystal has been studied by means of XRD, DSC and spectroscopy (IR and Raman)techniques. The X-ray powder study develooped at different temperatures showed that the crystal exhibits two phase transitions near 286 K and 326 K. The DSC analysis (on heating and couling) confirmed the existence of these phase transitions at 291/286 K and 326/325 K. The Raman spectroscopy study made at various temperatures showed that both anionic and cationic motions contribute to the complex transition mechanisms.
Autorenporträt
- PhD in Solid State Chemistry (2002).- Research Professor at the Centre Régional des Métiers de l'Education et de la Formation, Rabat; Morocco since 2011.- Author of several scientific articles in Chemistry and Science Didactics.- Date and place of birth: 09 / 05 / 1972 in Khémisset, Morocco.