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Nanoscale Res Lett. 2012 Sep 26;7(1):534. doi: 10.1186/1556-276X-7-534.

Cyclotron resonance in HgTe/CdTe-based heterostructures in high magnetic fields.

Author information

  • 1Institute for Physics of Microstructures of the Russian Academy of Sciences, GSP-105, Nizhny Novgorod, 603950, Russia. antikon@ipmras.ru.

Abstract

: Cyclotron resonance study of HgTe/CdTe-based quantum wells with both inverted and normal band structures in quantizing magnetic fields was performed. In semimetallic HgTe quantum wells with inverted band structure, a hole cyclotron resonance line was observed for the first time. In the samples with normal band structure, interband transitions were observed with wide line width due to quantum well width fluctuations. In all samples, impurity-related magnetoabsorption lines were revealed. The obtained results were interpreted within the Kane 8·8 model, the valence band offset of CdTe and HgTe, and the Kane parameter EP being adjusted.

PMID:
23013642
[PubMed]
PMCID:
PMC3479053
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