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High density two-dimensional Dirac fermion gas in HgTe quantum wells of critical width. / Olshanetsky, E. B.; Kvon, Z. D.; Savchenko, M. L. et al.

In: Applied Physics Letters, Vol. 128, No. 11, 112111, 19.03.2026.

Research output: Contribution to journal › Article › peer-review

Harvard

Olshanetsky, EB, Kvon, ZD, Savchenko, ML, Khudaiberdiev, DA, Beck-Mannagetta, P, Dobretsova, AA, Mikhailov, NN & Pimenov, A 2026, 'High density two-dimensional Dirac fermion gas in HgTe quantum wells of critical width', Applied Physics Letters, vol. 128, no. 11, 112111. https://doi.org/10.1063/5.0312123

APA

Olshanetsky, E. B., Kvon, Z. D., Savchenko, M. L., Khudaiberdiev, D. A., Beck-Mannagetta, P., Dobretsova, A. A., Mikhailov, N. N., & Pimenov, A. (2026). High density two-dimensional Dirac fermion gas in HgTe quantum wells of critical width. Applied Physics Letters, 128(11), [112111]. https://doi.org/10.1063/5.0312123

Vancouver

Olshanetsky EB, Kvon ZD, Savchenko ML, Khudaiberdiev DA, Beck-Mannagetta P, Dobretsova AA et al. High density two-dimensional Dirac fermion gas in HgTe quantum wells of critical width. Applied Physics Letters. 2026 Mar 19;128(11):112111. doi: 10.1063/5.0312123

Author

Olshanetsky, E. B. ; Kvon, Z. D. ; Savchenko, M. L. et al. / High density two-dimensional Dirac fermion gas in HgTe quantum wells of critical width. In: Applied Physics Letters. 2026 ; Vol. 128, No. 11.

BibTeX

@article{6978884d0d394afaabe84530b3213767,
title = "High density two-dimensional Dirac fermion gas in HgTe quantum wells of critical width",
abstract = "We report on magnetotransport and cyclotron resonance studies of 2D Dirac fermions in HgTe quantum wells with a near-critical thickness of 6.2 nm. By investigating carrier densities up to N s = 5.6 × 1012 cm−2—nearly an order of magnitude higher than previously explored—we demonstrate that the energy spectrum remains strictly linear even at these elevated concentrations. Our findings reveal anomalous Shubnikov–de Haas oscillations at N s = 2.9 × 1012 cm−2, likely stemming from scattering on remote impurities. Furthermore, we identify N s ≈ 5.6 × 1012 cm−2 as a fundamental density limit, which remains stable despite further doping increases up to (1–3) × 1013 cm−2",
keywords = "Легирование, электронный транспорт, эффект Шубникова — де Хааза, циклотронный резонанс, квантовые ямы, дираковские фермионы, Doping, Electronic transport, Shubnikov-de Haas effect, Quantum wells, Cyclotron resonance, Dirac fermions",
author = "Olshanetsky, {E. B.} and Kvon, {Z. D.} and Savchenko, {M. L.} and Khudaiberdiev, {D. A.} and P. Beck-Mannagetta and Dobretsova, {A. A.} and Mikhailov, {N. N.} and A. Pimenov",
note = "High density two-dimensional Dirac fermion gas in HgTe quantum wells of critical width / E. B. Olshanetsky, Z. D. Kvon, M. L. Savchenko [et al.] // Applied Physics Letters. – 2026. – Vol. 128, No. 11. – P. 112111. – DOI 10.1063/5.0312123. – EDN FPZPQP. The authors thank the Russian Science Foundation (Grant No. 23-72-30003, https://rscf.ru/en/project/23-72-30003/) for support.",
year = "2026",
month = mar,
day = "19",
doi = "10.1063/5.0312123",
language = "English",
volume = "128",
journal = "Applied Physics Letters",
issn = "0003-6951",
publisher = "American Institute of Physics Inc.",
number = "11",

}

RIS

TY - JOUR

T1 - High density two-dimensional Dirac fermion gas in HgTe quantum wells of critical width

AU - Olshanetsky, E. B.

AU - Kvon, Z. D.

AU - Savchenko, M. L.

AU - Khudaiberdiev, D. A.

AU - Beck-Mannagetta, P.

AU - Dobretsova, A. A.

AU - Mikhailov, N. N.

AU - Pimenov, A.

N1 - High density two-dimensional Dirac fermion gas in HgTe quantum wells of critical width / E. B. Olshanetsky, Z. D. Kvon, M. L. Savchenko [et al.] // Applied Physics Letters. – 2026. – Vol. 128, No. 11. – P. 112111. – DOI 10.1063/5.0312123. – EDN FPZPQP. The authors thank the Russian Science Foundation (Grant No. 23-72-30003, https://rscf.ru/en/project/23-72-30003/) for support.

PY - 2026/3/19

Y1 - 2026/3/19

N2 - We report on magnetotransport and cyclotron resonance studies of 2D Dirac fermions in HgTe quantum wells with a near-critical thickness of 6.2 nm. By investigating carrier densities up to N s = 5.6 × 1012 cm−2—nearly an order of magnitude higher than previously explored—we demonstrate that the energy spectrum remains strictly linear even at these elevated concentrations. Our findings reveal anomalous Shubnikov–de Haas oscillations at N s = 2.9 × 1012 cm−2, likely stemming from scattering on remote impurities. Furthermore, we identify N s ≈ 5.6 × 1012 cm−2 as a fundamental density limit, which remains stable despite further doping increases up to (1–3) × 1013 cm−2

AB - We report on magnetotransport and cyclotron resonance studies of 2D Dirac fermions in HgTe quantum wells with a near-critical thickness of 6.2 nm. By investigating carrier densities up to N s = 5.6 × 1012 cm−2—nearly an order of magnitude higher than previously explored—we demonstrate that the energy spectrum remains strictly linear even at these elevated concentrations. Our findings reveal anomalous Shubnikov–de Haas oscillations at N s = 2.9 × 1012 cm−2, likely stemming from scattering on remote impurities. Furthermore, we identify N s ≈ 5.6 × 1012 cm−2 as a fundamental density limit, which remains stable despite further doping increases up to (1–3) × 1013 cm−2

KW - Легирование

KW - электронный транспорт

KW - эффект Шубникова — де Хааза

KW - циклотронный резонанс

KW - квантовые ямы

KW - дираковские фермионы

KW - Doping

KW - Electronic transport

KW - Shubnikov-de Haas effect

KW - Quantum wells

KW - Cyclotron resonance

KW - Dirac fermions

UR - https://www.mendeley.com/catalogue/d426c00c-55c3-3afb-9e11-81af2e120431/

UR - https://www.scopus.com/pages/publications/105033688243

UR - https://elibrary.ru/item.asp?id=89315221

U2 - 10.1063/5.0312123

DO - 10.1063/5.0312123

M3 - Article

VL - 128

JO - Applied Physics Letters

JF - Applied Physics Letters

SN - 0003-6951

IS - 11

M1 - 112111

ER -

ID: 85134131