Confocal resonators for measuring the surface resistance of high‐temperature superconducting films

1991 ◽  
Vol 58 (22) ◽  
pp. 2543-2545 ◽  
Author(s):  
J. S. Martens ◽  
V. M. Hietala ◽  
D. S. Ginley ◽  
T. E. Zipperian ◽  
G. K. G. Hohenwarter
Keyword(s):  
High Temperature ◽  
Surface Resistance ◽  
Superconducting Films ◽  
High Temperature Superconducting

Microwave Measurements of Surface Resistance and Complex Conductivity of NdBaCuO Films

2014 ◽  
Vol 95 ◽  
pp. 162-168 ◽  
Author(s):  
Janina Mazierska ◽  
Kenneth Leong ◽  
Dimitri Ledenyov ◽  
Adam Rains ◽  
Nina Zuchowski ◽  
...  
Keyword(s):  
High Temperature ◽  
Surface Resistance ◽  
Superconducting Films ◽  
Microwave Properties ◽  
Complex Conductivity ◽  
Microwave Measurements ◽  
Q Factor ◽  
High Frequencies ◽  
High Temperature Superconducting

Typically microwave properties of High Temperature Superconducting films are defined in terms of surface resistance Rs computed from Q-factor measurements obtained using one of resonant techniques. While NdBaCuO films are known to have higher TC and JC than YBaCuO films, not much is known about their loss at high frequencies. In this paper we report on microwave properties of NdBaCuO films of varying quality and thickness based on measurements with a 25GHz sapphire Hakki Coleman resonator and computations using two approaches: the surface resistance and the complex conductivity as primary variables for rigorous electromagnetic solutions.

Microlithography of high-temperature superconducting films: laser ablation vs. wet etching

1989 ◽  
Vol 25 (2) ◽  
pp. 950-953 ◽  
Author(s):  
P.H. Ballentine ◽  
A.M. Kadin ◽  
M.A. Fisher ◽  
D.S. Mallory ◽  
W.R. Donaldson
Keyword(s):  
High Temperature ◽  
Laser Ablation ◽  
Superconducting Films ◽  
Wet Etching ◽  
High Temperature Superconducting

High temperature superconducting cavity for measurement of surface resistance

Cryogenics ◽  
1990 ◽  
Vol 30 (12) ◽  
pp. 1048-1050 ◽  
Author(s):  
M.J. Lancaster ◽  
Z. Wu ◽  
T.S.M. Maclean ◽  
N. McN. Alford
Keyword(s):  
High Temperature ◽  
Surface Resistance ◽  
Superconducting Cavity ◽  
High Temperature Superconducting
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