Abstract
In this work, the diamagnetic susceptibility and the binding energy of a hydrogenic donor impurity both in the parabolic and non-parabolic conduction band models have been calculated within the effective mass approximation for a V-groove GaAs/Ga1- x Al x As quantum wire. According to the results obtained from the present work reveals that (i) the value of diamagnetic susceptibility due to the non-parabolicity effect is higher than that of parabolicity effect; (ii) the values of diamagnetic susceptibility and binding energy due to the non-parabolicity effect is not appreciable at low Al mole fractions; (iii) the diamagnetic susceptibility approaches to the bulk value both in L \(\rightarrow\) 0 or L \(\rightarrow\) ∞; (iv) the effect of non-parabolocity is not appreciable in the binding energy and energy dependent effective mass, for energies lower than 50 MeV.
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Khordad, R. Diamagnetic susceptibility of hydrogenic donor impurity in a V-groove GaAs/Ga1- x Al x As quantum wire. Eur. Phys. J. B 78, 399–403 (2010). https://doi.org/10.1140/epjb/e2010-10290-x
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DOI: https://doi.org/10.1140/epjb/e2010-10290-x