Acid etched high purity niobium cube (approx. 2*2*2 cm) showing beautiful grain boundaries. Listing price is for ONE cube ONLY. Please note the unit cell of the graphic paper is 5mm.
Acid etched high purity niobium cube (approx. 2*2*2 cm) showing beautiful grain boundaries. Listing price is for ONE cube ONLY. Please note the unit cell of the graphic paper is 5mm.