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Effect of the parabolic potential on the binding energy of a hydrogenic impurity in a spherical quantum dot

✍ Scribed by Zhigang Xiao; Jiqian Zhu; Fenglai He

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
285 KB
Volume
19
Category
Article
ISSN
0749-6036

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The binding energy of a donor impurity in a spherical GaAsΒ±(Ga,Al)As quantum dot with parabolic confinement is calculated as a function of the radius of the quantum dot and as a function of the intensity of an applied electric field. Calculations are performed within the effective-mass approximation