Solid state properties of copper containing spinel solid solutions (CuxMg1–xAl2O4)
- 1 January 1977
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
- Vol. 73, 505-513
- https://doi.org/10.1039/f19777300505
Abstract
The solid state and surface properties of a series of copper containing spinel solid solutions (Mg1–xCuxAl2O4) have been studied using X-ray diffraction, magnetic measurements, e.p.r., reflectance spectroscopy, X-ray photoelectron spectroscopy and secondary ion mass spectrometry. The data indicate that the solutions are homogeneous as between the bulk and the surface. Below x= 0.1 the copper ions mainly occupy octahedral sites and are electronically isolated. Above x= 0.1 half the Cu ions also occupy tetrahedral sites and an increasing degree of electronic delocalisation occurs.Keywords
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