INFLUENCE OF CORRELATION EFFECTS ON THE ELECTRONIC PROPERTIES OF AMORPHOUS SILICON
- 1 October 1981
- journal article
- Published by EDP Sciences in Le Journal de Physique Colloques
- Vol. 42 (C4) , C4-827
- https://doi.org/10.1051/jphyscol:19814182
Abstract
The influence of correlation effects on the density of states deduced from field-effect and capacitance-voltage measurements are considered. A positive Hubbard U is required to account for the observed Curie-law behaviour of the magnetic susceptibility. Hence, statistics of correlated electrons have to be used rather than Fermi-statistics to calculate the density of states distribution function g(E) from the measured charge density. Within this model g(E) differs appreciably from previously published "field effect" densitiesKeywords
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