Superconductivity at 49 K in copper doping magnesium diboride
arXiv:cond-mat/0103101
Abstract
This paper has been withdrawn by the author(s) because some experimental results have not been checked by the last two authors.
arXiv:cond-mat/0103101
This paper has been withdrawn by the author(s) because some experimental results have not been checked by the last two authors.