Physical Review B

, volume 96 , issue 3 , publication number 035405

Temperature-driven single-valley Dirac fermions in HgTe quantum wells

M. Marcinkiewicz ¹

S. Ruffenach ¹

S. S. Krishtopenko ^{1, 2}

A M Kadykov ^{1, 2}

A. Kadykov ^{1, 2}

C. Consejo ¹

D. B. But ¹

D. But ¹

W. Desrat ¹

W. Knap ^{1, 3}

Wojciech Knap ^{1, 3}

J. Torres ⁴

A V Ikonnikov ²

Anton V. Ikonnikov ²

K. E. Spirin ²

S.V. MOROZOV ^{2, 5}

S. V. Morozov ^{2, 5}

V. I. Gavrilenko ^{2, 5}

Vladimir George Gavrilenko ^{2, 5}

N. N. Mikhailov ^{6, 7}

S. A. DVORETSKII ^{6, 7}

S. A. Dvoretsky ^{6, 7}

F. Teppe ¹

Hide authors affiliations Show authors affiliations: 7 affiliations

Laboratoire Charles Coulomb, UMR Centre National de la Recherche Scientifique 5221, University of Montpellier, F-34095 Montpellier, France |

Institute for Physics of Microstructures RAS, GSP-105, Nizhni Novgorod 603950, Russia |

Institute of High Pressure Physics, Polish Academy of Sciences, Sokołowska 29/37, PL-01-142 Warsaw, Poland |

⁴

Institut d'Electronique et des Systemes, UMR Centre National de la Recherche Scientifique 5214, University of Montpellier, F-34095 Montpellier, France |

⁵

Lobachevsky State University of Nizhni Novgorod, prospekt Gagarina 23, Nizhni Novgorod 603950, Russia |

⁶

Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences, prospekt Akademika Lavrent'eva 13, Novosibirsk 630090, Russia |

⁷

Novosibirsk State University, Pirogova Street 2, Novosibirsk 630090, Russia |

Publication type: Journal Article

Publication date: 2017-07-05

American Physical Society (APS)

Physical Review B

scimago Q1

wos Q2

SJR: 1.303

CiteScore: 6.2

Impact factor: 3.7

ISSN: 24699950, 24699969, 10980121, 1550235X

DOI: 10.1103/PhysRevB.96.035405

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Abstract

We report on the temperature-dependent magnetospectroscopy of two HgTe/CdHgTe quantum wells below and above the critical well thickness dc. Our results, obtained in magnetic fields up to 16 T and s temperature range from 2 to 150 K, clearly indicate a change in the band-gap energy with temperature. A quantum well wider than dc evidences a temperature-driven transition from topological insulator to semiconductor phases. At a critical temperature of 90 K, the merging of inter- and intraband transitions in weak magnetic fields clearly specifies the formation of a gapless state, revealing the appearance of single-valley massless Dirac fermions with a velocity of 5.6×105ms−1. For both quantum wells, the energies extracted from the experimental data are in good agreement with calculations on the basis of the eight-band Kane Hamiltonian with temperature-dependent parameters.

Found

20 citations

Dvoretsky Vasily

🥼 🤝

PhD in Chemistry, associate professor

503 publications, 5 592 citations

h-index: 36

Institute of Semiconductor Physics of the Siberian Branch of the Russian Academy of Sciences

Research interests

Optics

Physics of semiconductors

Solid State Physics

10 citations

Morozov Sergey

DSc in Physics and Mathematics

683 publications, 144 658 citations

h-index: 80

A.V. Gaponov-Grekhov Institute of Applied Physics of the Russian Academy of Sciences

Lobachevsky State University of Nizhny Novgorod

9 citations

Ikonnikov Anton

🥼

PhD in Physics and Mathematics

100 publications, 837 citations, 9 reviews

h-index: 17

Lomonosov Moscow State University

Research interests

Cyclotron resonance

Photoconductivity

Physics of semiconductors

Spectroscopy

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GOST Copy

Marcinkiewicz M. et al. Temperature-driven single-valley Dirac fermions in HgTe quantum wells // Physical Review B. 2017. Vol. 96. No. 3. 035405

GOST all authors (up to 50) Copy

Marcinkiewicz M., Ruffenach S., Krishtopenko S. S., Kadykov A. M., Kadykov A., Consejo C., But D. B., But D., Desrat W., Knap W., Knap W., Torres J., Ikonnikov A. V., Ikonnikov A. V., Spirin K. E., MOROZOV S., Morozov S. V., Gavrilenko V. I., Gavrilenko V. G., Mikhailov N. N., DVORETSKII S. A., Dvoretsky S. A., Teppe F. Temperature-driven single-valley Dirac fermions in HgTe quantum wells // Physical Review B. 2017. Vol. 96. No. 3. 035405

RIS |

Cite this

RIS Copy

TY - JOUR

DO - 10.1103/PhysRevB.96.035405

UR - https://doi.org/10.1103/PhysRevB.96.035405

TI - Temperature-driven single-valley Dirac fermions in HgTe quantum wells

T2 - Physical Review B

AU - Marcinkiewicz, M.

AU - Ruffenach, S.

AU - Krishtopenko, S. S.

AU - Kadykov, A M

AU - Kadykov, A.

AU - Consejo, C.

AU - But, D. B.

AU - But, D.

AU - Desrat, W.

AU - Knap, W.

AU - Knap, Wojciech

AU - Torres, J.

AU - Ikonnikov, A V

AU - Ikonnikov, Anton V.

AU - Spirin, K. E.

AU - MOROZOV, S.V.

AU - Morozov, S. V.

AU - Gavrilenko, V. I.

AU - Gavrilenko, Vladimir George

AU - Mikhailov, N. N.

AU - DVORETSKII, S. A.

AU - Dvoretsky, S. A.

AU - Teppe, F.

PY - 2017

DA - 2017/07/05

PB - American Physical Society (APS)

IS - 3

VL - 96

SN - 2469-9950

SN - 2469-9969

SN - 1098-0121

SN - 1550-235X

ER -

BibTex

Cite this

BibTex (up to 50 authors) Copy

@article{2017_Marcinkiewicz,

author = {M. Marcinkiewicz and S. Ruffenach and S. S. Krishtopenko and A M Kadykov and A. Kadykov and C. Consejo and D. B. But and D. But and W. Desrat and W. Knap and Wojciech Knap and J. Torres and A V Ikonnikov and Anton V. Ikonnikov and K. E. Spirin and S.V. MOROZOV and S. V. Morozov and V. I. Gavrilenko and Vladimir George Gavrilenko and N. N. Mikhailov and S. A. DVORETSKII and S. A. Dvoretsky and F. Teppe},

title = {Temperature-driven single-valley Dirac fermions in HgTe quantum wells},

journal = {Physical Review B},

year = {2017},

volume = {96},

publisher = {American Physical Society (APS)},

month = {jul},

url = {https://doi.org/10.1103/PhysRevB.96.035405},

number = {3},

pages = {035405},

doi = {10.1103/PhysRevB.96.035405}

}

Publisher

American Physical Society (APS)

Journal

Physical Review B

scimago Q1

wos Q2

SJR

1.303

CiteScore

6.2

Impact factor

3.7

ISSN

24699950 (Print)

24699969 (Electronic)

10980121 (Print)

1550235X (Electronic)

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