Measurement of the surface impendance of superconducting thin films by a microstrip resonator technique

A. Andreone

doi:10.1117/12.2303196

1 January 1994 Measurement of the surface impendance of superconducting thin films by a microstrip resonator technique

A. Andreone

Proceedings Volume 2250, International Conference on Millimeter and Submillimeter Waves and Applications 1994; 22504Z (1994) https://doi.org/10.1117/12.2303196
Event: Millimeter and Submillimeter Waves and Applications: International Conference, 1994, San Diego, CA, United States

Abstract

The surface impedance Zs of a superconductor is an important parameter for both basic science and technological applications. From a basic point of view, the study of Zs as a function of temperature, frequency and magnetic field may provide significant informations on the underlying mechanism of loss, on the simmetry of the ground state and on the dynamics of the r.f. absorption. From a technological point of view, Zs is a relevant figure of merit for the homogeneity of the material and for superconducting devices. We report here measurements of the temperature, frequency and input power dependence of the surface resistance and penetration depth of superconducting thin films using an annular microstrip resonator operating in the microwave region. The technique allows to measure surface resistance values as low as 1Ã‚ÂµS2 and penetration depth variations as small as 1 A.

Citation Download Citation

A. Andreone "Measurement of the surface impendance of superconducting thin films by a microstrip resonator technique", Proc. SPIE 2250, International Conference on Millimeter and Submillimeter Waves and Applications 1994, 22504Z (1 January 1994); https://doi.org/10.1117/12.2303196

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available