Referenced Items are not available for this document.
We report first systematic measurements of zero-field steps in I-V characteristics of long Nb/Al-AlO/sub x//Nb Josephson junctions made in a window of a stripline structure. We compared the data for junction series of the same dimensions but with different ratio of the junction width W to the width of the idle window part W' surrounding them. Zero-field steps were found to be stable only in structures with W'/W<3. With increasing the ratio W'/W, the effective fluxon propagation velocity is found to increase and fine structure resonances appear on fluxon resonant steps. Experimental data are compared with numerical simulations using the modified two-dimensional sine-Gordon equation and qualitative agreement is found.<
Published in:
Applied Superconductivity, IEEE Transactions on
(Volume:5
,
Issue:
2
)
Date of Publication: June 1995
- Page(s):
- 2965 - 2968
- ISSN :
- 1051-8223
- INSPEC Accession Number:
- 5048899
- Digital Object Identifier :
- 10.1109/77.403214
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 26 February 2004
- Issue Date :
- June 1995
- Sponsored by :
- The IEEE Council on Superconductivity
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