Anomalous k-dependent spin splitting in wurtzite AlxGa1-xN/GaN heterostructures
arXiv:cond-mat/0609396 · doi:10.1103/PhysRevB.75.245307
Abstract
We have confirmed the k-dependent spin splitting in wurtzite AlxGa1-xN/GaN heterostructures. Anomalous beating pattern in Shubnikov-de Haas measurements arises from the interference of Rashba and Dresselhaus spin-orbit interactions. The dominant mechanism for the k-dependent spin splitting at high values of k is attributed to Dresselhaus term which is enhanced by the Delta C1-Delta C3 coupling of wurtzite band folding effect.
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