Reversal in the order of impurity binding energies with atomic energies

Vijay A. Singh, Alex Zunger, U. Lindefelt
1983 Physical Review B (Condensed Matter)  
Whereas atomistic models predict that binding energies of donor levels in semiconductors increase with the ionization potential of the free impurity atoms, we find that a special enhancement of the screening in the solid predicts, for chalcogen impurities in silicon, a reversal in this
doi:10.1103/physrevb.27.1420 fatcat:ay63oa7b6rf7vhef43qwzrp7aq