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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2013, Volume 98, Issue 12, Pages 947–951
DOI: https://doi.org/10.7868/S0370274X1324017X (Mi jetpl3620) 		 
This article is cited in 20 scientific papers (total in 20 papers)

CONDENSED MATTER

Metal-insulator transition in a HgTe quantum well under hydrostatic pressure

E. B. Olshanetskiia, Z. D. Kvonba, Ya. A. Gerasimenkoc, V. A. Prudkoglyadc, V. M. Pudalovcd, N. N. Mikhailova, S. A. Dvoretskiia

a Rzhanov Institute of Semiconductor Physics, Siberian Branch of Russian Academy of Sciences, Novosibirsk
b Novosibirsk State University
c P. N. Lebedev Physical Institute, Russian Academy of Sciences, Moscow
d Moscow Institute of Physics and Technology
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DOI: https://doi.org/10.7868/S0370274X1324017X
Abstract: The 2D semimetal in a $20$ nm (100) HgTe quantum well is characterized by a comparatively low overlap between the conduction and the valence bands induced by lattice mismatch. In the present paper we report the results of transport measurements in this quantum well under hydrostatic pressure of $14.4$ kbar. By applying pressure we have further reduced the band overlap, thereby creating favorable conditions for the formation of the excitonic insulator state. As a result, we observed that the metallic-like temperature dependence of the conductivity at lowering temperature sharply changes to the activated behavior, signalling the onset of an excitonic insulator regime.
Received: 25.11.2013
English version:
Journal of Experimental and Theoretical Physics Letters, 2013, Volume 98, Issue 12, Pages 843–847
DOI: https://doi.org/10.1134/S0021364013250176
Bibliographic databases:
Document Type: Article
Language: English
Citation: E. B. Olshanetskii, Z. D. Kvon, Ya. A. Gerasimenko, V. A. Prudkoglyad, V. M. Pudalov, N. N. Mikhailov, S. A. Dvoretskii, “Metal-insulator transition in a HgTe quantum well under hydrostatic pressure”, Pis'ma v Zh. Èksper. Teoret. Fiz., 98:12 (2013), 947–951; JETP Letters, 98:12 (2013), 843–847
Citation in format AMSBIB
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    • This publication is cited in the following 20 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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