Spin Relaxation of Conduction Electrons in Semiconductors Due to Interaction with Nuclear Spins

Details Spin Relaxation of Conduction Electrons in Semiconductors Due to Interaction with Nuclear Spins Spin Relaxation of Conduction Electrons in Semiconductors Due to Interaction with Nuclear Spins

2003-01-06

arxiv.org/abs/cond-mat/0301055v1

Nano Letters 3, 695-700 (2003)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

submitted to Nano Letters

Scientific paper

10.1021/nl034009l

Relaxation of conduction electron spins in a semiconductor owing to the hyperfine interaction with spin-1/2 nuclei, in zero applied magnetic field, is investigated. We calculate the electron spin relaxation time scales, in order to evaluate the importance of this relaxation mechanism. Master equations for the electron spin density matrix are derived and solved. Polarized nuclear spins can be used to polarize the electrons in spintronic devices.

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