NbReS2 CrystalNiobium atoms are perfectly incorporated into ReS₂ matrix. These alloys are not phase separated meaning Nb and Re atoms randomly distributed throughout the crystals. Nb composition varies from slim amount 0.1% up to 3%. Please specify the percentage of Nb at the time of order. All crystals with different percentage values are in stock and are ready for shipping.Please contact us for pricing and ordering.