2 papers
cond-mat.supr-con2001
Superconducting Gap, Pseudogap and Their Relationship Investigated by Break-junction Tunneling Spectroscopy on Single Crystals
Y. Xuan, H. J. Tao, Z. Z. Li +4
Temperature and doping dependent tunneling spectroscopy on single crystals has been investigated by using break-junction technique. The results provide dire…
cond-mat.supr-con2001
Superconductivity at 49 K in copper doping magnesium diboride
Y. P. Sun, W. H. Song, J. M. Dai +4
This paper has been withdrawn by the author(s) because some experimental results have not been checked by the last two authors.