Magnetic field controlled superconducting microwave microstrip resonators

A novel device — a magnetic field controlled microwave microstrip resonator based on high-Tc superconducting material — has been realised in which the quality factor Q is strongly influenced by a small external magnetic field. The field changes the SQUID phenomena in the film. Increasing the field f...

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Bibliographic Details
Published inApplied superconductivity Vol. 1; no. 10; pp. 1707 - 1713
Main Authors Porjesz, T., Leppävuori, S., Kokkomäki, T., Uusimäki, A.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.10.1993
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Summary:A novel device — a magnetic field controlled microwave microstrip resonator based on high-Tc superconducting material — has been realised in which the quality factor Q is strongly influenced by a small external magnetic field. The field changes the SQUID phenomena in the film. Increasing the field first causes the Q value to reach a maximum but further increasing the field decreases amount of the pairs and there is a decrease in Q below the zero field value. Other kinds of microwave devices can also be constructed employing this technique.
ISSN:0964-1807
1879-1530
DOI:10.1016/0964-1807(93)90318-V