Journal
JOURNAL OF APPLIED PHYSICS
Volume 101, Issue 5, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2511785
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Based on the variational technique, the binding energy associated with the ground donor state in the presence of conduction band nonparabolicity, polarization charge, and self-energy is estimated for a finite-barrier quantum dot, with a hydrogenic impurity located at its center. The overall effect of the conduction band nonparabolicity, polarization charge, and self-energy is found to enhance the ground state binding energy, their influences being most prominent in small dots with high barriers. (c) 2007 American Institute of Physics.
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