2.4. Characterizations
-Fourier transform infrared (FTIR) spectroscopic measurements were performed using a FTIR spectrometer (Bruker TENSOR 27). FTIR samples were prepared using KBr in order to make small tablets; the analyses were conducted within the range 4000 - 400 cm-1.
-X-ray diffraction (XRD) measurment were observed using Bruker AXS advanced x-ray solutions GmbH. XRD patterns were obtained at room temperature in the range of 2