Performance of 2-hole YBCO rf SQUID in flux-locked-loop mode at 77 K

descriptionPublicationkeyboard_double_arrow_right Article 01 Oct 1992 English Publisher:Springer Science and Business Media LLCJournal:Pramana, volume 39, pages 381-390 (issn: 0304-4289, eissn: 0973-7111,

Copyright policy )

Authors: S K Arora; A K Gupta; Neeraj Khare; Ramesh Chandra; V S Tomar;

doi: 10.1007/bf02845822

Performance of 2-hole YBCO rf SQUID in flux-locked-loop mode at 77 K

- Summary
- Metrics

Abstract

A 2-hole rf SQUID has been fabricated using naturally present grain boundary Josephson weaklinks in a microbridge of bulk Y-Ba-Cu-O superconductor. Periodic oscillations in voltage-flux characteristics have been observed up to 80.5 K. The spectral density of flux noise of the SQUID is 8 × 10−4 Φ0/√Hz at 100 Hz and 77 K for open-loop mode. The SQUID has been successfully operated in flux-locked-loop mode at 77 K, demonstrating the feasiblity of the device for practical applications. In the flux-locked-loop mode the stability as well as flux noise of the SQUID has been found to improve considerably as compared to that in the open-loop mode. Various SQUID parameters have also been estimated and reported here.

Related Organizations

National Physical Laboratory
United Kingdom
National Physical Laboratory of India
India

Impact byBIP!

	selected citations These citations are derived from selected sources. This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	2
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Average
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Average