Title :
Thin film Ba/sub 0.6/K/sub 0.4/BiO/sub 3/ microwave devices
Author :
Schweinfurth, R.A. ; Van Harlingen, D.J. ; Kruse, J. ; Laskar, J. ; Feng, M. ; Platt, C.E. ; Teepe, M.R.
Author_Institution :
Illinois Univ., Urbana, IL, USA
fDate :
3/1/1993 12:00:00 AM
Abstract :
Microwave structures utilizing superconducting thin films of Ba/sub 0.6/K/sub 0.4/BiO/sub 3/ (BKBO) have been fabricated and tested. A high-quality BKBO thin film (T/sub c/>28 K, J/sub c/>1 MA/cm/sup 2/) grown by pulsed laser deposition on a
Keywords :
barium compounds; high-temperature superconductors; losses; microstrip lines; potassium compounds; pulsed laser deposition; resonators; superconducting microwave devices; superconducting thin films; transmission lines; 15 K; 15.8 GHz; 2.1 dB; 2.5 mm; 20 GHz; 21 K; 28 K; Ba/sub 0.6/K/sub 0.4/BiO/sub 3/ microwave devices; MgO; conductor losses; coplanar transmission line; high-quality BKBO thin film; insertion loss; microstrips; pulsed laser deposition; quality factor; radiation losses; resonator; superconducting thin films; surface impedance; unloaded Q; Coplanar transmission lines; Insertion loss; Optical pulses; Propagation losses; Pulsed laser deposition; Sputtering; Substrates; Superconducting thin films; Testing; Transistors;
Journal_Title :
Applied Superconductivity, IEEE Transactions on
