https://doi.org/10.1007/s100510170310
c-axis tunneling on YBCO films
School of Physics and Astronomy, Raymond and Beverly Sackler Faculty of Exact
Sciences, Tel Aviv University, 69978 Tel Aviv, Israel
Corresponding author: a dovratb@post.tau.ac.il
Received:
24
September
2000
Revised:
15
November
2000
Published online: 15 February 2001
We have measured I(V) characteristics of c-axis planar tunnel junctions on
Y1Ba2Cu3O
films. Our results and their analysis provide experimental support for
the importance of the two-dimensional character of the YBCO band structure, and a
method to measure the ratio between the Fermi energy of YBCO and the barrier
height. The analysis is based on the relation between the linear conductance
background, related to the inelastic tunneling component, and the zero bias
conductance, related to the elastic one.
PACS: 74.50.+r – Proximity effects, weak links, tunneling phenomena, and Josephson effects / 74.25.Jb – Electronic structure
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2001
