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Magnetic-field effect on the diamagnetic susceptibility of hydrogenic impurities in quantum well-wires
(ELSEVIER SCIENCE BV, 2009)
We have studied the magnetic field effects on the diamagnetic susceptibility and binding energy of a hydrogenic impurity in a quantum well-wire by taking into account spatially dependent screening. Using the effective-mass ...
Photoionization cross-section and binding energy of donor impurities in GaAs, Ge and Si quantum wires with infinite barriers
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2009)
Within the effective-mass approximation, we have investigated the binding energies of donor impurities as a function of the wire dimensions and the photoionization cross-section for a hydrogenic donor impurity placed on ...