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NMR Investigation of the WTe2 Weyl Semimetal below the Topological Transition Temperature. / Antonenko, A. O.; Charnaya, E. V.; Lee, M. K.; Chang, L. J.; Haase, J.; Naumov, S. V.; Domozhirova, A. N.; Marchenkov, V. V.

In: Physics of the Solid State, Vol. 61, No. 11, 11.2019, p. 1979-1984.

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

Harvard

Antonenko, AO, Charnaya, EV, Lee, MK, Chang, LJ, Haase, J, Naumov, SV, Domozhirova, AN & Marchenkov, VV 2019, 'NMR Investigation of the WTe2 Weyl Semimetal below the Topological Transition Temperature', Physics of the Solid State, vol. 61, no. 11, pp. 1979-1984. https://doi.org/10.1134/S1063783419110040

APA

Antonenko, A. O., Charnaya, E. V., Lee, M. K., Chang, L. J., Haase, J., Naumov, S. V., Domozhirova, A. N., & Marchenkov, V. V. (2019). NMR Investigation of the WTe2 Weyl Semimetal below the Topological Transition Temperature. Physics of the Solid State, 61(11), 1979-1984. https://doi.org/10.1134/S1063783419110040

Vancouver

Antonenko AO, Charnaya EV, Lee MK, Chang LJ, Haase J, Naumov SV et al. NMR Investigation of the WTe2 Weyl Semimetal below the Topological Transition Temperature. Physics of the Solid State. 2019 Nov;61(11):1979-1984. https://doi.org/10.1134/S1063783419110040

Author

Antonenko, A. O. ; Charnaya, E. V. ; Lee, M. K. ; Chang, L. J. ; Haase, J. ; Naumov, S. V. ; Domozhirova, A. N. ; Marchenkov, V. V. / NMR Investigation of the WTe2 Weyl Semimetal below the Topological Transition Temperature. In: Physics of the Solid State. 2019 ; Vol. 61, No. 11. pp. 1979-1984.

BibTeX

@article{6016524b76fa432d80748266fef33d1b,
title = "NMR Investigation of the WTe2 Weyl Semimetal below the Topological Transition Temperature",
abstract = "Abstract: NMR investigations are performed on 125Te nuclei of WTe2 Weyl topological semimetal at temperatures of 41 and 293 K. The measurements were carried out using a Bruker Avance 500 NMR pulse spectrometer. The 125Te NMR spectra for a WTe2 single crystal are obtained for the orientation of crystal axis c parallel and perpendicular to the quantizing field. A complicated form of the spectra was related to the presence of four nonequivalent positions of tellurium atoms in the crystalline structure of WTe2. The longitudinal magnetization recovery was studied after the pulse saturation for particular spectral lines. An exponential character of relaxation is revealed. The frequency shift and width of spectral lines were found to be insignificantly different at the two temperatures, while the times of nuclear spin-lattice relaxation at 41 K exceeded approximately by 30 times the corresponding times measured at room temperature. The strong temperature dependence of the relaxation is supposedly related to the contribution of the Weyl quasi-particles below the topological phase transition.",
keywords = "nuclear magnetic resonance, thermoelectrics, topological phase transition, Weyl semimetals",
author = "Antonenko, {A. O.} and Charnaya, {E. V.} and Lee, {M. K.} and Chang, {L. J.} and J. Haase and Naumov, {S. V.} and Domozhirova, {A. N.} and Marchenkov, {V. V.}",
year = "2019",
month = nov,
doi = "10.1134/S1063783419110040",
language = "English",
volume = "61",
pages = "1979--1984",
journal = "Physics of the Solid State",
issn = "1063-7834",
publisher = "МАИК {"}Наука/Интерпериодика{"}",
number = "11",

}

RIS

TY - JOUR

T1 - NMR Investigation of the WTe2 Weyl Semimetal below the Topological Transition Temperature

AU - Antonenko, A. O.

AU - Charnaya, E. V.

AU - Lee, M. K.

AU - Chang, L. J.

AU - Haase, J.

AU - Naumov, S. V.

AU - Domozhirova, A. N.

AU - Marchenkov, V. V.

PY - 2019/11

Y1 - 2019/11

N2 - Abstract: NMR investigations are performed on 125Te nuclei of WTe2 Weyl topological semimetal at temperatures of 41 and 293 K. The measurements were carried out using a Bruker Avance 500 NMR pulse spectrometer. The 125Te NMR spectra for a WTe2 single crystal are obtained for the orientation of crystal axis c parallel and perpendicular to the quantizing field. A complicated form of the spectra was related to the presence of four nonequivalent positions of tellurium atoms in the crystalline structure of WTe2. The longitudinal magnetization recovery was studied after the pulse saturation for particular spectral lines. An exponential character of relaxation is revealed. The frequency shift and width of spectral lines were found to be insignificantly different at the two temperatures, while the times of nuclear spin-lattice relaxation at 41 K exceeded approximately by 30 times the corresponding times measured at room temperature. The strong temperature dependence of the relaxation is supposedly related to the contribution of the Weyl quasi-particles below the topological phase transition.

AB - Abstract: NMR investigations are performed on 125Te nuclei of WTe2 Weyl topological semimetal at temperatures of 41 and 293 K. The measurements were carried out using a Bruker Avance 500 NMR pulse spectrometer. The 125Te NMR spectra for a WTe2 single crystal are obtained for the orientation of crystal axis c parallel and perpendicular to the quantizing field. A complicated form of the spectra was related to the presence of four nonequivalent positions of tellurium atoms in the crystalline structure of WTe2. The longitudinal magnetization recovery was studied after the pulse saturation for particular spectral lines. An exponential character of relaxation is revealed. The frequency shift and width of spectral lines were found to be insignificantly different at the two temperatures, while the times of nuclear spin-lattice relaxation at 41 K exceeded approximately by 30 times the corresponding times measured at room temperature. The strong temperature dependence of the relaxation is supposedly related to the contribution of the Weyl quasi-particles below the topological phase transition.

KW - nuclear magnetic resonance

KW - thermoelectrics

KW - topological phase transition

KW - Weyl semimetals

UR - http://www.scopus.com/inward/record.url?scp=85074690113&partnerID=8YFLogxK

U2 - 10.1134/S1063783419110040

DO - 10.1134/S1063783419110040

M3 - Article

AN - SCOPUS:85074690113

VL - 61

SP - 1979

EP - 1984

JO - Physics of the Solid State

JF - Physics of the Solid State

SN - 1063-7834

IS - 11

ER -

ID: 48950846