Electronic structure of spinel

Details Electronic structure of spinel Electronic structure of spinel

Apr 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974gecoa..38..589h&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 38, Issue 4, pp.589-599

Physics

2

Scientific paper

The fundamental band gap between conduction and valence bands in aluminate spinels has been found to be at least 8·1 eV; the optical reflectivity peak at this energy possibly represents the lowest-energy exciton. In crystals with non-stoichiometric Al/Mg ratios, the intensity of this first reflection peak appears to decrease with increasing Al/Mg ratio; however, the peak energies themselves are essentially independent of stoichiometry. It seems likely that spinel and olivine in spinel-structure will have electronic transport behavior similar to that of olivine in its normal structure.

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