Influence of disorder on electrically and optically detected electron spin nutation

Martin C Michel, A. Gliesche, S. D. Baranovskii, K. Lips, F. Gebhard, Christoph Boehme

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A numerical study of the influence of disorder in semiconductors on spin-Rabi nutation observed with pulsed electrically or optically detected magnetic-resonance techniques (pEDMR and pODMR, respectively) is presented. It is shown that transient nutation signals of disordered spin ensembles differ from ordered ensembles as inhomogeneously broadened Landé-factor distributions are presented. In contrast to ordered systems, the magnitudes of spin-Rabi nutation and spin-Rabi beat nutation change significantly with a strong dependence of their ratio on the correlation of the Landé factors within the nearest-neighbor spin pairs. An interpretation of these results is given and their application for the investigation of disorder using pEDMR and pODMR is discussed.

Original languageEnglish
Article number052201
JournalPhysical Review B
Issue number5
Publication statusPublished - 17 Feb 2009
Externally publishedYes

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