Standard

Coexistence of magnetic states and metamagnetism in the Bi2-xCrxSe3 topological insulators. / Khachatryan, A.Sh.; Charnaya, E.V.; Shevchenko, E.V.; Likholetova, M.V.; Lee, Min Kai; Chang, L.J.; Naumov, S.V.; Domozhirova, A.N.; Marchenkov, V.V.

In: Europhysics Letters, Vol. 134, No. 4, 47002, 05.2021.

Research output: Contribution to journalArticlepeer-review

Harvard

Khachatryan, AS, Charnaya, EV, Shevchenko, EV, Likholetova, MV, Lee, MK, Chang, LJ, Naumov, SV, Domozhirova, AN & Marchenkov, VV 2021, 'Coexistence of magnetic states and metamagnetism in the Bi2-xCrxSe3 topological insulators', Europhysics Letters, vol. 134, no. 4, 47002. https://doi.org/10.1209/0295-5075/134/47002

APA

Khachatryan, A. S., Charnaya, E. V., Shevchenko, E. V., Likholetova, M. V., Lee, M. K., Chang, L. J., Naumov, S. V., Domozhirova, A. N., & Marchenkov, V. V. (2021). Coexistence of magnetic states and metamagnetism in the Bi2-xCrxSe3 topological insulators. Europhysics Letters, 134(4), [47002]. https://doi.org/10.1209/0295-5075/134/47002

Vancouver

Author

Khachatryan, A.Sh. ; Charnaya, E.V. ; Shevchenko, E.V. ; Likholetova, M.V. ; Lee, Min Kai ; Chang, L.J. ; Naumov, S.V. ; Domozhirova, A.N. ; Marchenkov, V.V. / Coexistence of magnetic states and metamagnetism in the Bi2-xCrxSe3 topological insulators. In: Europhysics Letters. 2021 ; Vol. 134, No. 4.

BibTeX

@article{5ace34dabc1f432a83d18f7fff62e159,
title = "Coexistence of magnetic states and metamagnetism in the Bi2-xCrxSe3 topological insulators",
abstract = "The dichalcogenide Bi2Te3 and Bi2Se3 crystals belong to the 3D topological insulator family. Doping the crystals with magnetic ions can break the time-reversal symmetry and open an energy gap at surface Dirac points. This provides the opportunity of manipulating the surface transport and observing the anomalous quantum Hall effect. We studied magnetic properties of three single-crystalline Bi2-xCrxSe3 samples with x = 0.01, 0.03, and 0.06 within a temperature range from 2 to 300 K. The dc magnetization revealed the coexistence of antiferromagnetic and ferromagnetic ordering and paramagnetism. Their significance depends on the chromium content. The ferromagnetic phase transition was suppressed by high enough magnetic field. The antiferromagnetic transition near 80 K did not shift visibly up to 50 kOe. The Curie-Weiss law approximation gave the effective magnetic moment μ eff close to 4.9 μB, which corresponds to divalent chromium ions. Metamagnetic phenomena were found for crystals with x = 0.03 and 0.06. ",
keywords = "SINGLE DIRAC CONE, DOPED BI2SE3, TRANSITION",
author = "A.Sh. Khachatryan and E.V. Charnaya and E.V. Shevchenko and M.V. Likholetova and Lee, {Min Kai} and L.J. Chang and S.V. Naumov and A.N. Domozhirova and V.V. Marchenkov",
note = "Publisher Copyright: Copyright {\textcopyright} 2021 EPLA.",
year = "2021",
month = may,
doi = "10.1209/0295-5075/134/47002",
language = "English",
volume = "134",
journal = "Lettere Al Nuovo Cimento",
issn = "0295-5075",
publisher = "IOP Publishing Ltd.",
number = "4",

}

RIS

TY - JOUR

T1 - Coexistence of magnetic states and metamagnetism in the Bi2-xCrxSe3 topological insulators

AU - Khachatryan, A.Sh.

AU - Charnaya, E.V.

AU - Shevchenko, E.V.

AU - Likholetova, M.V.

AU - Lee, Min Kai

AU - Chang, L.J.

AU - Naumov, S.V.

AU - Domozhirova, A.N.

AU - Marchenkov, V.V.

N1 - Publisher Copyright: Copyright © 2021 EPLA.

PY - 2021/5

Y1 - 2021/5

N2 - The dichalcogenide Bi2Te3 and Bi2Se3 crystals belong to the 3D topological insulator family. Doping the crystals with magnetic ions can break the time-reversal symmetry and open an energy gap at surface Dirac points. This provides the opportunity of manipulating the surface transport and observing the anomalous quantum Hall effect. We studied magnetic properties of three single-crystalline Bi2-xCrxSe3 samples with x = 0.01, 0.03, and 0.06 within a temperature range from 2 to 300 K. The dc magnetization revealed the coexistence of antiferromagnetic and ferromagnetic ordering and paramagnetism. Their significance depends on the chromium content. The ferromagnetic phase transition was suppressed by high enough magnetic field. The antiferromagnetic transition near 80 K did not shift visibly up to 50 kOe. The Curie-Weiss law approximation gave the effective magnetic moment μ eff close to 4.9 μB, which corresponds to divalent chromium ions. Metamagnetic phenomena were found for crystals with x = 0.03 and 0.06.

AB - The dichalcogenide Bi2Te3 and Bi2Se3 crystals belong to the 3D topological insulator family. Doping the crystals with magnetic ions can break the time-reversal symmetry and open an energy gap at surface Dirac points. This provides the opportunity of manipulating the surface transport and observing the anomalous quantum Hall effect. We studied magnetic properties of three single-crystalline Bi2-xCrxSe3 samples with x = 0.01, 0.03, and 0.06 within a temperature range from 2 to 300 K. The dc magnetization revealed the coexistence of antiferromagnetic and ferromagnetic ordering and paramagnetism. Their significance depends on the chromium content. The ferromagnetic phase transition was suppressed by high enough magnetic field. The antiferromagnetic transition near 80 K did not shift visibly up to 50 kOe. The Curie-Weiss law approximation gave the effective magnetic moment μ eff close to 4.9 μB, which corresponds to divalent chromium ions. Metamagnetic phenomena were found for crystals with x = 0.03 and 0.06.

KW - SINGLE DIRAC CONE

KW - DOPED BI2SE3

KW - TRANSITION

UR - http://www.scopus.com/inward/record.url?scp=85112150435&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/3f9eb125-69e5-32d0-9ede-e3f08edda3d1/

U2 - 10.1209/0295-5075/134/47002

DO - 10.1209/0295-5075/134/47002

M3 - Article

VL - 134

JO - Lettere Al Nuovo Cimento

JF - Lettere Al Nuovo Cimento

SN - 0295-5075

IS - 4

M1 - 47002

ER -

ID: 88235758