Title :
Strontium titanate thin films for tunable YBa2Cu3 O7 microwave filters
Author :
Moeckly, Brian H. ; Zhang, Yongming
Author_Institution :
Conductus Inc., Sunnyvale, CA, USA
fDate :
3/1/2001 12:00:00 AM
Abstract :
Tunable ferroelectric thin films such as SrTiO3 (STO) are promising for a variety of rf applications requiring tunability. We describe the growth and characterization of STO thin films including their dielectric properties, and summarize attempts at reducing the loss tangent of these films. We also discuss their integration with high-temperature superconductor (HTS) microwave filters for trimming purposes
Keywords :
barium compounds; circuit tuning; dielectric losses; ferroelectric capacitors; ferroelectric thin films; flip-chip devices; high-temperature superconductors; microwave filters; strontium compounds; superconducting filters; superconducting microwave devices; yttrium compounds; SrTiO3; YBa2Cu3O7; ferroelectric thin films; flip chip capacitors; high-temperature superconductor; loss tangent; trimming; tunable microwave filters; Dielectric films; Dielectric losses; Dielectric thin films; Ferroelectric films; Ferroelectric materials; High temperature superconductors; Strontium; Superconducting thin films; Titanium compounds; Transistors;
Journal_Title :
Applied Superconductivity, IEEE Transactions on
