Abstract

The electron spin dynamics in $n$-type wurtzite GaN is studied by time-resolved Kerr rotation for temperatures from 80 to 295 K and magnetic fields up to 1 T. The temperature and magnetic field dependence of the spin-relaxation time are in good agreement with D'yakonov-Perel' theory. We present an analytic expression for the spin-relaxation tensor for semiconductors with wurtzite structure that also includes the interference of Rashba and Dresselhaus contributions.

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