To increase the critical thickness of CeO2 single buffer layer,the polymer assisted chemical solution deposition(PACSD)approach has been adopted to prepare a single buffer layer of Gd0.3Ce0.7O1.85-x(GCO)on bi-axially ...To increase the critical thickness of CeO2 single buffer layer,the polymer assisted chemical solution deposition(PACSD)approach has been adopted to prepare a single buffer layer of Gd0.3Ce0.7O1.85-x(GCO)on bi-axially textured Ni-5%W alloy substrate,and the influences of different annealing temperatures on texture and microstructure of the buffer layer has also been studied in this paper.The results demonstrate that a well textured,dense and smooth GCO single buffer layer with thickness of 180 nm has been obtained at 1100℃annealing treatment.GdBa2Cu3O7-y(GBCO)film has been deposited on GCO buffered substrate via the similar approach,which is also well textured,dense and smooth.All these show that preparation of GCO buffer layer by PACSD method is an effective approach to prepare single buffer layer for large scale production.展开更多
基金Fundamental Research Funds for the Central Universities of China(SWJTU09ZT24,SWJTU09BR153)National Natural Science Foundation of China under(50872116)+1 种基金PCSIRT of the Ministry of Education of China(IRT0751)Specialized Research Fund for the Doctoral Program of Higher Education(200806130023)
文摘To increase the critical thickness of CeO2 single buffer layer,the polymer assisted chemical solution deposition(PACSD)approach has been adopted to prepare a single buffer layer of Gd0.3Ce0.7O1.85-x(GCO)on bi-axially textured Ni-5%W alloy substrate,and the influences of different annealing temperatures on texture and microstructure of the buffer layer has also been studied in this paper.The results demonstrate that a well textured,dense and smooth GCO single buffer layer with thickness of 180 nm has been obtained at 1100℃annealing treatment.GdBa2Cu3O7-y(GBCO)film has been deposited on GCO buffered substrate via the similar approach,which is also well textured,dense and smooth.All these show that preparation of GCO buffer layer by PACSD method is an effective approach to prepare single buffer layer for large scale production.
