AIChE Symposium Series

aerosol decomposition analysis anhydrous annealing Appl atmosphere atoms Ba₂ BaCO3 BaCuO2 BaF2 Balachandran barium barium carbonate barium hydroxide batch BSCCO calcination calcium peroxide CaO2 carbonate Ceram chemical CO₂ compounds containing cooling copper crystal crystalline crystallites density deposition diagram diffraction pattern electron eutectic point fluorinated furnace green phase heat treated heat treatment helium high temperature superconductors HTS films hydroxide increased Lett liquid mass fraction materials melting metal mixture N₂ nitrate nitrogen observed obtained octahydrate orthorhombic oxide oxygen oxygen pressure particles peaks peritectic peroxides phase formation Phys precipitated precursor powder prepared present produced properties R. B. Poeppel reaction reactor reported resistance Rietveld Rietveld refinement Roth sample showed shown in Figure sintering solid solution sputtering Sro₂ stoichiometry structure substrate Supercond synthesis techniques ternary tetragonal thermal thin films tion Wang wire Wong-Ng X-ray diffraction YBa2 YBCO yttrium