Abstract

Magnetization measurements were performed from 5 to 300 K on nanocomposite compounds obtained by precipitation of MoS 2 single-layer dispersion in the presence of Co 2+ or Ni 2+ ions. Ni(II) and high spin Co(II) were evidenced, both in octahedral oxygen surrounding. From similarity of their temperature magnetic behavior with that of lamellar references Ni(OH) 2 and β-Co(OH) 2 powders, it can be inferred that the nanocomposites contain 2D nickel or cobalt hydroxide species. The low temperature magnetic behavior is discussed on the basis of dimensionality and finite particle size effects.

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