Effect of uniaxial compression on quantum Hall plateaus and Shubnikov-de Haas oscillations in p-type GaAs/AlxGa1-xAs heterostructuresстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Quantum Hall effect and Shubnikov-de Haas oscillations in a two-dimensional hole gas at a p-type GaAs/Al0.5Ga0.5As(001) interface show that under in-plane (110) uniaxial compression a redistribution of carriers between the two spin-split subbands of the heavy-hole ground state takes place. At the maximal compression of 2.5 kbar the carrier density of the most populated subband is decreased by 18%, while the total carrier density remains almost unchanged. A decrease of the spin splitting under the uniaxial compression is proposed.