Dependence of the physical properties of pure and lithium intercalated zirconium diselenide on the host lattice stoichiometry

X-ray, conductivity, susceptibility and NMR measurements have been performed on pure and lithium intercalated zirconium diselenide Li xZrSe y in the stoichiometry range 1.85 < y < 1.95. It is shown that the pure host conductivity behaves as metallic for y < 1.90 and as semiconducting for y...

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Bibliographic Details
Published in:Solid state communications 1987-10, Vol.64 (2), p.175-180
Main Authors: Deniard, P., Chevalier, P., Trichet, L., Chabre, Y., Pannetier, J.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Magnetic properties and materials
Magnetically ordered materials: other intrinsic properties
Physics
Saturation moments and magnetic susceptibilities
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Summary:X-ray, conductivity, susceptibility and NMR measurements have been performed on pure and lithium intercalated zirconium diselenide Li xZrSe y in the stoichiometry range 1.85 < y < 1.95. It is shown that the pure host conductivity behaves as metallic for y < 1.90 and as semiconducting for y > 1.91. Occurence of lattice expansion upon intercalation for a threshold x value has been confirmed by neutrons diffraction measurements with y = 1.95 and it is found that this threshold x value depends on the stoichiometry y of the host matrix. Previous works are discussed in view of these results which give evidence for interactions between the intercalated lithium and the stoichiometry defects.
ISSN:0038-1098
1879-2766
DOI:10.1016/0038-1098(87)91149-5