Off-center displacement of the Nb ions below and above the ferroelectric phase transition of KTa0.91Nb0.09O3.  [electronic resource] 

 -  Physical review. B, Condensed matter  Oct 1991 
 - 6700-6707 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0163-1829 
<br/><br/><label>Standard No.: </label>10.1103/physrevb.44.6700  doi