Electron-Spin Precession in Dependence of the Orientation of the External Magnetic Field
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Electron-spin dynamics in semiconductorbased heterostructures has been investigated in oblique magnetic fields. Spins are generated optically by a circularly polarized light, and the dynamics of spins in dependence of the orientation (h) of the magnetic field are studied. The electron-spin precession frequency, polarization amplitude, and decay rate as a function of h are obtained and the reasons for their dependences are discussed. From the measured data, the values of the longitudinal and transverse components of the electron g-factor are estimated and are found to be in good agreement with those obtained in earlier investigations. The possible mechanisms responsible for the observed effects are also discussed.
Nanoscale Research Letters
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Atomic, Molecular, Nuclear, Particle and Plasma Physics not elsewhere classified