Spin splitting of single 0D impurity states in semiconductor heterostructure Quantum Wells.
نویسندگان
چکیده
Zeeman splitting of the ground state of single impurities in the quantum well of a resonant tunneling heterostructure is reported. We determine the absolute magnitude of the effective magnetic spin splitting factor g ' for a single impurity in a 44 Å Al0.27Ga0.73AsyGaAsyAl0.27Ga0.73As quantum well to be 0.28 6 0.02. This system also allows for independent measurement of the electron tunneling rates through the two potential barriers and estimation of the occupation probability of the impurity state in the quantum well.
منابع مشابه
Zeeman splitting of single semiconductor impurities in resonant tunneling heterostructures
Zeeman splitting of the ground state of single impurities in the quantum wells of resonant tunneling heterostructures is reported. We determine the absolute magnitude of the effective magnetic spin splitting factor g∗ ⊥ for a single impurity in a 44 Å Al0.27Ga0.73As/GaAs/Al0.27Ga0.73As quantum well to be 0.28 ± 0.02. This system also allows for independent measurement of the electron tunneling ...
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ورودعنوان ژورنال:
- Physical review letters
دوره 76 8 شماره
صفحات -
تاریخ انتشار 1996