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Hydrogenic donor impurity in a cubic quantum dot: effect of position-dependent effective mass

โœ Scribed by R. Khordad


Book ID
114995014
Publisher
Springer
Year
2012
Tongue
English
Weight
204 KB
Volume
85
Category
Article
ISSN
1434-6036

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Effects of position-dependent effective
โœ A. John Peter; K. Navaneethakrishnan ๐Ÿ“‚ Article ๐Ÿ“… 2008 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 336 KB

Ionization energies of a shallow donor in a quantum dot of GaAs, using a variational procedure within the effective mass approximation, are obtained. Calculations are presented with a constant effective mass and position-dependent effective masses along with the spatially varying dielectric function

Effect of position-dependent effective m
โœ R. Khordad ๐Ÿ“‚ Article ๐Ÿ“… 2011 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 401 KB

In this paper, we first obtain an analytic relation for studying the position-dependent effective mass in a GaAs/Al x Ga 1 ร€ x As cubic quantum dot. Then, the effect of position-dependent effective mass on the intersubband optical absorption coefficient and the refractive index change in the quantum