Magnetic and Structural Studies of Ni(OH)₂ Monolayered Nanoclusters

Abstract

Chemical, magnetic and structural analysis have been carried out for the precipitates obtained by mixing NiCl 2 ·6H 2 O and Na 2 SiO 3 · m H 2 O ( m =0 or 9) aqueous solutions. The formation of Ni(OH) 2 monolayered clusters with diameter of 2–3 nm was confirmed in the above precipitates. The exchange interaction in these Ni(OH) 2 monolayered nanoclusters was also discussed on the basis of molecular field approximation.