摘要
YBa2Cu3O7-δ and Tl2Ba2CaCu2O8 thin films for microwave filters were synthesized by pulsed laser deposition and the two-step thalliation process. Substrate quality requirements and the relation of thin film morphology, microstructure with microwave surface resistance were discussed.
YBa2Cu3O7-δ and Tl2Ba2CaCu2O8 thin films for microwave filters were synthesized by pulsed laser deposition and the two-step thalliation process. Substrate quality requirements and the relation of thin film morphology, microstructure with microwave surface resistance were discussed.
基金
The authors are grateful for the measurement of Rs by the University of Electronic Science andTechnology, Chengdu, and the fabrication of filters by the Institute 55, Nanjing. We are also thankful for Prof. Y. F. Chen for her useful discussion and read
