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Lithium Insertion in La2NiO4+y

Published online by Cambridge University Press:  28 February 2011

A. Várez ,
U. Amador ,
E. Morán  and
M.A. Alario-Franco
A. Várez
Affiliation:
Dpto. Química Inorgánica. Fac. C. Químicas.Universidad Complutense, 28040 Madrid., SPAIN
U. Amador
Affiliation:
Dpto. Química Inorgánica. Fac. C. Químicas.Universidad Complutense, 28040 Madrid., SPAIN
E. Morán
Affiliation:
Dpto. Química Inorgánica. Fac. C. Químicas.Universidad Complutense, 28040 Madrid., SPAIN
M.A. Alario-Franco
Affiliation:
Dpto. Química Inorgánica. Fac. C. Químicas.Universidad Complutense, 28040 Madrid., SPAIN
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Abstract

A series of lithium inserted La2NiO4+y has been prepared by the soft chemistry route with n-butyllithium at room temperature.

The insertion leads to a lowering in symmetry, from the tetragonal K2NiF4 type to an orthorhombic structure.

Neutron diffraction experiments show that as in stoichiometric La2NiO4.00 the inserted material is antiferromagnetic.

Complex impedance measurements indicate it to be an ionic conductor in the temperature range extending from 60 to 300°C.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 210: Symposium L – Solid State Ionics II , 1990 , 467
Copyright
Copyright © Materials Research Society 1991

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