A three step method for synthesis of HTSC Bi2CaSr2Cu2O8 + δ

Monoclinic–orthorhombic phase transition in Ba2Cu(HCOO)6 crystals: a Raman scattering study

“…On the other hand, the other vibrational modes, 1 , 5 and 6 , characterized by the C-H bond, should not be altered after the phase transformation. Our hypothesis could be tested by observing the spectral region characterized by 2 …”

Thermal Decomposition of Copper (II) Calcium (II) Formate

“…In samples quenched at 200ЊC, where the first stage of decomposition has not been completed are broken down, although decomposition of pure Ca(HCOO) 2 should occur at about 470ЊC. (weight loss about 8%), X-ray diffraction patterns show ACuCaF as the main component together with Cu and…”

“…To explain this anomaly the thermal behavior of pure Ca(HCOO) 2 and of its molecular 1 : 1 mixture with CuO Cu 2 O; some CuCa 2 (HCOO) 6 (hereafter ACuCa 2 F) and a broad, very weak peak belonging to beta Ca(HCOO) 2 have was studied. Pure Ca(HCOO) 2 shows a weight loss peak at about 460ЊC and the 1 : 1 mixture show a weight loss always observed the presence of CaCu 2 O 3 .…”