Hole transport and valence band dispersion law in a HgTe quantum well
with normal energy spectrum
release_xf3br7465jdlxevn3bme52bsa4
by
G. M. Minkov,
A. V. Germanenko,
O. E. Rut,
A. A. Sherstobitov,
S. A.
Dvoretski,
N. N. Mikhailov
2014
Abstract
The results of an experimental study of the energy spectrum of the valence
band in a HgTe quantum well of width d<6.3 nm with normal spectrum in the
presence of a strong spin-orbit splitting are reported. The analysis of the
temperature, magnetic field and gate voltage dependences of the Shubnikov-de
Haas oscillations allows us to restore the energy spectrum of the two valence
band branches, which are split by the spin-orbit interaction. The comparison
with the theoretical calculation shows that a six-band kP theory well describes
all the experimental data in the vicinity of the top of the valence band.
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