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volume 95 issue 25 publication number 257001

Admixtures tod-Wave Gap Symmetry in UntwinnedYBa2Cu3O7Superconducting Films Measured by Angle-Resolved Electron Tunneling

H.J.H. Smilde 1
A. A. Golubov 1
Ariando 1
G. Rijnders 1
J.M. Dekkers 1
S. Harkema 1
D. H. A. Blank 1
H. Rogalla 1
H. Hilgenkamp 1
Publication typeJournal Article
Publication date2005-12-12
scimago Q1
wos Q1
SJR2.856
CiteScore15.6
Impact factor9.0
ISSN00319007, 10797114
General Physics and Astronomy
Abstract
We report on an ab anisotropy of Jc parallel b/Jc parallel a approximately/= 1.8 IcRn parallelb/IcRn parallel a approximately/= 1.2 and in ramp-edge junctions between untwinned YBa2Cu3O7 and s-wave Nb. For these junctions, the angle theta with the YBa2Cu3O7 crystal b axis is varied as a single parameter. The RnA(theta) dependence presents twofold symmetry. The minima in IcRn at theta approximately/= 50 degrees suggest a real s-wave subdominant component and negligible d(xy)-wave or imaginary s-wave admixtures. The IcRn(theta) dependence is well fitted by 83% dx2-y2-, 15% isotropic s-, and 2% anisotropic s-wave order parameter symmetry, consistent with deltab/deltaa approximately/= 1.5.
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Smilde H. et al. Admixtures tod-Wave Gap Symmetry in UntwinnedYBa2Cu3O7Superconducting Films Measured by Angle-Resolved Electron Tunneling // Physical Review Letters. 2005. Vol. 95. No. 25. 257001
GOST all authors (up to 50) Copy
Smilde H., Golubov A. A., Golubov A. A., Ariando, Rijnders G., Dekkers J., Harkema S., Blank D. H. A., Rogalla H., Hilgenkamp H., Hilgenkamp H. Admixtures tod-Wave Gap Symmetry in UntwinnedYBa2Cu3O7Superconducting Films Measured by Angle-Resolved Electron Tunneling // Physical Review Letters. 2005. Vol. 95. No. 25. 257001
RIS |
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RIS Copy
TY - JOUR
DO - 10.1103/PhysRevLett.95.257001
UR - https://doi.org/10.1103/PhysRevLett.95.257001
TI - Admixtures tod-Wave Gap Symmetry in UntwinnedYBa2Cu3O7Superconducting Films Measured by Angle-Resolved Electron Tunneling
T2 - Physical Review Letters
AU - Smilde, H.J.H.
AU - Golubov, A. A.
AU - Golubov, Alexander A.
AU - Ariando
AU - Rijnders, G.
AU - Dekkers, J.M.
AU - Harkema, S.
AU - Blank, D. H. A.
AU - Rogalla, H.
AU - Hilgenkamp, H.
AU - Hilgenkamp, Hans
PY - 2005
DA - 2005/12/12
PB - American Physical Society (APS)
IS - 25
VL - 95
PMID - 16390254
SN - 0031-9007
SN - 1079-7114
ER -
BibTex
Cite this
BibTex (up to 50 authors) Copy
@article{2005_Smilde,
author = {H.J.H. Smilde and A. A. Golubov and Alexander A. Golubov and Ariando and G. Rijnders and J.M. Dekkers and S. Harkema and D. H. A. Blank and H. Rogalla and H. Hilgenkamp and Hans Hilgenkamp},
title = {Admixtures tod-Wave Gap Symmetry in UntwinnedYBa2Cu3O7Superconducting Films Measured by Angle-Resolved Electron Tunneling},
journal = {Physical Review Letters},
year = {2005},
volume = {95},
publisher = {American Physical Society (APS)},
month = {dec},
url = {https://doi.org/10.1103/PhysRevLett.95.257001},
number = {25},
pages = {257001},
doi = {10.1103/PhysRevLett.95.257001}
}