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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