Diamagnetic susceptibility of hydrogenic donor impurity in a V-groove GaAs/Ga1-xAlxAs quantum wire
Physics, Yasouj University, Yasouj, 75914-353, Iran
Corresponding author: a firstname.lastname@example.org
Revised: 10 September 2010
Published online: 17 November 2010
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-xAlxAs 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 0 or L ∞; (iv) the effect of non-parabolocity is not appreciable in the binding energy and energy dependent effective mass, for energies lower than 50 MeV.
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2010