Abstract
We report on high resolution magneto-optical studies of the exciton bound to the neutral nitrogen acceptor in freestanding strain-free and strained ZnSe epilayers. The Zeeman results for absorption and photoluminescence are discussed in terms of the j-j coupling scheme in cubic symmetry including Zeeman and strain terms. It is shown that the bound-exciton state from the two hole J = 0 state is below the bound-exciton states from the J = 2 two-hole state. A diamagnetic shift of 5.6 μeV/T2 is found. The g-value of the acceptor ground state is 0.7. The g-value of the bound-exciton state from the J = 0 two-hole state is 1.35 representing the electron g-value. The g-value of the bound exciton from the J = 2 two-hole state is 0.9.
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