NMR study of topological insulator Bi2Te3 in a wide temperature range

A. O. Antonenko, E. V. Charnaya, D. Yu Nefedov, D. Yu Podorozhkin, A. V. Uskov, A. S. Bugaev, M. K. Lee, L. J. Chang, S. V. Naumov, Yu A. Perevozchikova, V. V. Chistyakov, J. C.A. Huang, V. V. Marchenkov

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

NMR studies of 125Te in the topological insulator bismuth telluride Bi2Te3 in a wide temperature range from room temperature to 12.5 K are performed. The pulsed NMR spectrometer Bruker Avance 400 is applied. The NMR spectra are obtained for the powder from Bi2Te3 single crystal and monocrystalline plates with the orientations c || B and c ⊥ B. At room temperature, the spectra consist of two lines related to two nonequivalent positions of tellurium nuclei Te1 and Te2. The parameters of the NMR frequency shift tensor are found from the powder spectrum. The temperature dependences of the spectra for the powder and plates with the orientation c ⊥ B agree with each other. The line shift with decreasing temperature is explained by the reduction of the Knight shift. The thermal activation energy of charge carriers is estimated. The spectra for the plates with the orientation c || B demonstrate peculiar behavior below 91 K. The spin-lattice relaxation time for the powder and monocrystalline plates with both orientations at room temperature is measured.

Original languageEnglish
Pages (from-to)2331-2339
Number of pages9
JournalPhysics of the Solid State
Volume59
Issue number12
DOIs
Publication statusPublished - 2017 Dec 1

Fingerprint

Nuclear magnetic resonance
insulators
Powders
nuclear magnetic resonance
room temperature
Temperature
temperature
bismuth tellurides
Tellurium
tellurium
Spin-lattice relaxation
spin-lattice relaxation
frequency shift
charge carriers
Bismuth
Charge carriers
Crystal orientation
Relaxation time
relaxation time
Tensors

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Antonenko, A. O., Charnaya, E. V., Nefedov, D. Y., Podorozhkin, D. Y., Uskov, A. V., Bugaev, A. S., ... Marchenkov, V. V. (2017). NMR study of topological insulator Bi2Te3 in a wide temperature range. Physics of the Solid State, 59(12), 2331-2339. https://doi.org/10.1134/S1063783417120058
Antonenko, A. O. ; Charnaya, E. V. ; Nefedov, D. Yu ; Podorozhkin, D. Yu ; Uskov, A. V. ; Bugaev, A. S. ; Lee, M. K. ; Chang, L. J. ; Naumov, S. V. ; Perevozchikova, Yu A. ; Chistyakov, V. V. ; Huang, J. C.A. ; Marchenkov, V. V. / NMR study of topological insulator Bi2Te3 in a wide temperature range. In: Physics of the Solid State. 2017 ; Vol. 59, No. 12. pp. 2331-2339.
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abstract = "NMR studies of 125Te in the topological insulator bismuth telluride Bi2Te3 in a wide temperature range from room temperature to 12.5 K are performed. The pulsed NMR spectrometer Bruker Avance 400 is applied. The NMR spectra are obtained for the powder from Bi2Te3 single crystal and monocrystalline plates with the orientations c || B and c ⊥ B. At room temperature, the spectra consist of two lines related to two nonequivalent positions of tellurium nuclei Te1 and Te2. The parameters of the NMR frequency shift tensor are found from the powder spectrum. The temperature dependences of the spectra for the powder and plates with the orientation c ⊥ B agree with each other. The line shift with decreasing temperature is explained by the reduction of the Knight shift. The thermal activation energy of charge carriers is estimated. The spectra for the plates with the orientation c || B demonstrate peculiar behavior below 91 K. The spin-lattice relaxation time for the powder and monocrystalline plates with both orientations at room temperature is measured.",
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Antonenko, AO, Charnaya, EV, Nefedov, DY, Podorozhkin, DY, Uskov, AV, Bugaev, AS, Lee, MK, Chang, LJ, Naumov, SV, Perevozchikova, YA, Chistyakov, VV, Huang, JCA & Marchenkov, VV 2017, 'NMR study of topological insulator Bi2Te3 in a wide temperature range', Physics of the Solid State, vol. 59, no. 12, pp. 2331-2339. https://doi.org/10.1134/S1063783417120058

NMR study of topological insulator Bi2Te3 in a wide temperature range. / Antonenko, A. O.; Charnaya, E. V.; Nefedov, D. Yu; Podorozhkin, D. Yu; Uskov, A. V.; Bugaev, A. S.; Lee, M. K.; Chang, L. J.; Naumov, S. V.; Perevozchikova, Yu A.; Chistyakov, V. V.; Huang, J. C.A.; Marchenkov, V. V.

In: Physics of the Solid State, Vol. 59, No. 12, 01.12.2017, p. 2331-2339.

Research output: Contribution to journalArticle

TY - JOUR

T1 - NMR study of topological insulator Bi2Te3 in a wide temperature range

AU - Antonenko, A. O.

AU - Charnaya, E. V.

AU - Nefedov, D. Yu

AU - Podorozhkin, D. Yu

AU - Uskov, A. V.

AU - Bugaev, A. S.

AU - Lee, M. K.

AU - Chang, L. J.

AU - Naumov, S. V.

AU - Perevozchikova, Yu A.

AU - Chistyakov, V. V.

AU - Huang, J. C.A.

AU - Marchenkov, V. V.

PY - 2017/12/1

Y1 - 2017/12/1

N2 - NMR studies of 125Te in the topological insulator bismuth telluride Bi2Te3 in a wide temperature range from room temperature to 12.5 K are performed. The pulsed NMR spectrometer Bruker Avance 400 is applied. The NMR spectra are obtained for the powder from Bi2Te3 single crystal and monocrystalline plates with the orientations c || B and c ⊥ B. At room temperature, the spectra consist of two lines related to two nonequivalent positions of tellurium nuclei Te1 and Te2. The parameters of the NMR frequency shift tensor are found from the powder spectrum. The temperature dependences of the spectra for the powder and plates with the orientation c ⊥ B agree with each other. The line shift with decreasing temperature is explained by the reduction of the Knight shift. The thermal activation energy of charge carriers is estimated. The spectra for the plates with the orientation c || B demonstrate peculiar behavior below 91 K. The spin-lattice relaxation time for the powder and monocrystalline plates with both orientations at room temperature is measured.

AB - NMR studies of 125Te in the topological insulator bismuth telluride Bi2Te3 in a wide temperature range from room temperature to 12.5 K are performed. The pulsed NMR spectrometer Bruker Avance 400 is applied. The NMR spectra are obtained for the powder from Bi2Te3 single crystal and monocrystalline plates with the orientations c || B and c ⊥ B. At room temperature, the spectra consist of two lines related to two nonequivalent positions of tellurium nuclei Te1 and Te2. The parameters of the NMR frequency shift tensor are found from the powder spectrum. The temperature dependences of the spectra for the powder and plates with the orientation c ⊥ B agree with each other. The line shift with decreasing temperature is explained by the reduction of the Knight shift. The thermal activation energy of charge carriers is estimated. The spectra for the plates with the orientation c || B demonstrate peculiar behavior below 91 K. The spin-lattice relaxation time for the powder and monocrystalline plates with both orientations at room temperature is measured.

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Antonenko AO, Charnaya EV, Nefedov DY, Podorozhkin DY, Uskov AV, Bugaev AS et al. NMR study of topological insulator Bi2Te3 in a wide temperature range. Physics of the Solid State. 2017 Dec 1;59(12):2331-2339. https://doi.org/10.1134/S1063783417120058