Role of Ca in enhancing the superconductivity of YBa2Cu3O7-y.  [electronic resource] 

 -  Physical review. B, Condensed matter  Jul 1994 
 - 594-596 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0163-1829 
<br/><br/><label>Standard No.: </label>10.1103/physrevb.50.594  doi