A Comparative Study on the Microwave Surface Resistance of $YBa_2Cu_3O_{7-{\delta}}$ Films Grown on $CeO_2-buffered$ r-cut Sapphire and $LaAlO_3$ Substrates

Lee, J.H. (Department of Physics and Center for Emerging Wireless Transmission Technology, Konkuk University) ;
Komashko, V.A. (Institute of Metal Physics of Academy of Science of Ukraine) ;
Lee, Sang-Young (Department of Physics and Center for Emerging Wireless Transmission Technology, Konkuk University, Department of Advanced Technology Fusion, Konkuk University)