Structure and Magnetism of the mono-layer hydrate Na0.3NiO2 0.7H2O

Details Structure and Magnetism of the mono-layer hydrate Na0.3NiO2 0.7H2O Structure and Magnetism of the mono-layer hydrate Na0.3NiO2 0.7H2O

2007-01-20

arxiv.org/abs/cond-mat/0701498v1

Physics

Condensed Matter

Materials Science

17 pages 6 figures to be published in Solid State Communications

Scientific paper

The mono-layer hydrate (Ni-MLH) Na0.3NiO2 0.7H2O was synthesized with an average Ni valence close to one in the bi-layer hydrate (Ni-BLH) Na0.3NiO2 1.3H2O. A weak unsaturated ferromagnetism and divergence of the magnetic susceptibilities of field and zero-field cooled samples of both Ni-MLH and Ni-BLH are observed. However, as a result of the increased 3-dimensional electronic and magnetic character present in Ni-MLH a frequency dependence of the AC magnetic susceptibility indicative of the spin glass-like behavior as seen in Ni-BLH was no longer observed in Ni-MLH.

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