Article,

Raman spectroscopy investigation of the thermal stability of the multiferroic CuCl2 and its hydrated form

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VIBRATIONAL SPECTROSCOPY, (2018)
DOI: 10.1016/j.vibspec.2018.08.006

Abstract

In the present work, we analyzed the multiferroic material copper chloride in its anhydrous (CuCl2) and dihydrated (CuCl2 center dot 2H(2)O) forms, monitoring its thermal behavior by Raman scattering spectroscopy and thermal analysis. The vibrational modes characteristic of the Raman spectrum at room temperature of the two phases are discussed. It was possible to confirm the transition from the orthorhombic phase of the copper chloride dihydrate to the monoclinic phase of copper chloride anhydrous by means of these two techniques. An analysis of the thermal behavior of the vibrational modes obtained by Raman spectroscopy allows us to infer the structural changes between the two phases.

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