Abstract

EuNH 3 intercalation compounds of titanium disulfide have been synthesized from EuNH 3 solutions at −40 °C, characterized and studied using Mössbauer spectroscopy. These materials are at least initially mixedvalence compounds, with Eu 2+ and Eu 3+ probably occupying distinct sites. Europium occurs predominantly in the trivalent oxidation state. However, the nature of the intercalation products depends stongly upon the method of preparation as well as annealing time and temperature.

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