Conduction Band Influence on the Properties of Bistable Donors

• Authors: S. Bednarek , J. Adamowski
• Languages of publication: EN

Abstracts

EN

A theoretical description of bistable donors in polar semiconductors is proposed. The donor states are described within the one-band approximation, which takes into account a finite width and nonparabolicity of the conduction band. The interaction between the defect and the crystal lattice is assumed in the Fröhlich form. For the bistable indium impurity in cadmium fluoride, a coexistence of strongly and weakly localized donor states has been obtained. The calculated energies for both the states and absorption band shape in the 3-eV range are in agreement with experiment.

Keywords

EN

71.55.-i

Discipline

• 71.55.-i: Impurity and defect levels

• Journal: Acta Physica Polonica A
• Year: 1991
• Volume: 80
• Issue: 3
• Pages: 357-360

Dates

published

1991-09

Contributors

author

S. Bednarek

• Institute of Physics and Nuclear Techniques, Academy of Mining and Metallurgy, Al. Mickiewicza 30, 30-059 Kraków, Poland

author

J. Adamowski

• Institute of Physics and Nuclear Techniques, Academy of Mining and Metallurgy, Al. Mickiewicza 30, 30-059 Kraków, Poland

Identifiers

DOI

10.12693/APhysPolA.80.357