Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 371, Issue 1-2, Pages 6-9Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2003.04.002
Keywords
quantum wells; crystal growths X-ray diffraction; electronic transport; light absorption
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The MBE growth of type III HgTe/Hg1-x CdxTe heterostructures will be discussed. Spin-Orbit (s-o) coupling is particularily large in HgTe based quantum wells; the observed value of 17 meV is at least two to three times larger than values reported in the literature for III-V heterostructures or any other system. Rashba spin-orbit splitting in n type modulation doped quantum wells (QWs) has been investigated as a function of the 2DEG density and compared with self-consistent Hartree calculations based on an 8 x 8 k (.) p model. Furthermore the presence of two periodic SdH oscillations in p type QWs with an inverted band structure has been observed and is the first direct evidence that these heterostructures are indirect semiconductors. (C) 2003 Elsevier B.V. All rights reserved.
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