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Giant photocurrents in a Dirac fermion system at cyclotron resonance

Olbrich, P., Zoth, C., Vierling, P., Dantscher, K.-M., Budkin, G. V., Tarasenko, S. A., Bel'kov, V. V., Kozlov, D. A., Kvon, Z. D., Mikhailov, N. N., Dvoretsky, S. A. and Ganichev, Sergey (2013) Giant photocurrents in a Dirac fermion system at cyclotron resonance. Phys. Rev. B 87, p. 235439.

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Date of publication of this fulltext: 05 Dec 2016 14:39

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Other URL: http://link.aps.org/doi/10.1103/PhysRevB.87.235439


Abstract

We report on the observation of the giant photocurrents in HgTe/HgCdTe quantum well (QW) of critical thickness at which a Dirac spectrum emerges. At an exciting QW of 6.6 nm width by terahertz (THz) radiation and sweeping magnetic field we detected a resonant photocurrent. Remarkably, the position of the resonance can be tuned from negative (−0.4 T) to positive (up to 1.2 T) magnetic fields by ...

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Item type:Article
Date:June 2013
Institutions:Physics > Institute of Experimental and Applied Physics > Professor Ganichev > Group Sergey Ganichev
Projects:SPP 1666
Research groups and research centres:Deutsch-Russisches Zentrum für Terahertz-Forschung
Identification Number:
ValueType
10.1103/PhysRevB.87.235439DOI
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:34933
Owner only: item control page

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