Effect of an image potential on the ground-state energy of shallow-donor impurities near the surface of semi-infinite crystals
- 15 July 1993
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 48 (3) , 1977-1980
- https://doi.org/10.1103/physrevb.48.1977
Abstract
The effect of image potential on the ground-state energy of a shallow-donor impurity near a sharp surface of a semi-infinite crystal is studied. A simple but realistic trial function is used in the confocal elliptic coordinate system with the foci at the hydrogenic donor impurity and its image point. The ground-state energy of this system is calculated as a function of the impurity position.Keywords
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