Structural properties and Raman spectra of columbite-type NiNb${}_{2-x}$V${}_x$O${}_6$ synthesized under high pressure

Jully P. Peña, Pierre Bouvier, Oliver Isnard

The complete set of structural parameters of the new series of compounds NiNb${}_{2-x}$V${}_x$O${}_6$ ($0\le x\le 2$) with the unusual columbite-type structure is presented here. In t…