Experimental evidence of two-band behavior of MgB2 (2003)
Ponomarev, Ya. G., Kuzmichev, S. A., Mikheev, M. G., Sudakova, M. V., Tchesnokov, S. N., Timergaleev, N. Z., ...
The break-junction tunneling has been systematically investigated in MgB2. Two types of the break-junction contacts have been exploited on the same samples, which demonstrated tunnel contact like...