Spin splitting of X-related donor impurity states in an AlAs barrier

Abstract

We use magnetotunneling spectroscopy to observe the spin splitting of the ground state of an X-valley-related Si-donor impurity in an AlAs barrier. We determine the absolute magnitude of the effective Zeeman spin splitting factors of the impurity ground state to be g${}_I$= 2.2 $\pm$ 0.1. We also investigate the spatial form of the electron wave function of the donor ground state, which is anisotropic in the growth plane.

References in corpus (5)

• Quantum Computation with Quantum Dots
• Zeeman energy and spin relaxation in a one-electron quantum dot
• Magnetic-field-induced singularities in spin dependent tunneling through InAs quantum dots
• Acoustic Phonon-Assisted Resonant Tunneling via Single Impurities
• Spin Effects in the Local Density of States of GaAs

Cited by in corpus (1)

• Spin-flip Raman scattering of the $\Gamma$-X mixed exciton in indirect band-gap (In,Al)As/AlAs quantum dots