Review Article
Molecular-Beam Epitaxially Grown
MgB2 Thin Films and Superconducting Tunnel Junctions
Figure 6
(From [26]) Tunneling characteristics of a MgB2/Al2O3/V tunnel junction at 0.45 K, showing -gap tunneling features. Inset: Josephson pair tunneling occurs with a thinner barrier. ©American Institute of Physics.