Interplay of Rashba/Dresselhaus spin splittings
S.D. Ganichev, L.E. Golub
TL;DR
This paper reviews how Rashba and Dresselhaus spin splittings interact in various 2D semiconductor systems, analyzing symmetry effects, experimental results, and conditions for spin relaxation suppression and persistent spin helix formation.
Contribution
It provides a comprehensive analysis of the symmetry and experimental aspects of Rashba/Dresselhaus interplay across different material systems and substrate orientations.
Findings
Symmetry considerations for spin splitting in various heterostructures.
Experimental evidence of Rashba/Dresselhaus interplay via photogalvanic spectroscopy.
Conditions for suppressing spin relaxation and achieving persistent spin helix.
Abstract
The paper reviews the interplay of Rashba/Dresselhaus spin splittings in various two dimensional systems made of III-V, wurtzite and SiGe. We discuss the symmetry aspects of the linear and cubic in electron wavevector spin splitting in heterostructures prepared on (001)-, (110)-, (111)-, (113)-, (112)-, and (013)-oriented substrates and address the requirements for suppression of spin relaxation and realization of the persistent spin helix state. In experimental part of the paper we overview experimental results on the interplay of Rashba/Dresselhaus spin splittings probed by photogalvanic spectroscopy: the method based on the phenomenological equivalence of the linear-in-wavevector spin splitting and several photogalvanic phenomena.
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Taxonomy
TopicsQuantum and electron transport phenomena · Semiconductor Quantum Structures and Devices · Semiconductor materials and devices