Structural, Thermal behaviour and Vibrational study of a new Cesium- Ammonium Dihydrogen Phosphate Arsenate: Cs0.55(NH4)0.45H2(PO4)0.39(AsO4)0.61 Journal title: JOURNAL OF ADVANCES IN CHEMISTRY Authors: Samia CHAUCHENE, Khaled JAOUADI, Tahar MHIRI Subject(s):