The paper has been withdrawn due to very low reproducibility
arXiv:cond-mat/0303572
Abstract
The paper has been withdrawn due to very low reproducibility. About 100 samples have been made, only 3 samples show the superconducting-like behavior. We think it may be an unlikely result.
An unlikely result. About 100 samples have been made, only 3 samples show the superconducting-like behavior. We think it may be an unlikely result