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Peer-reviewedCC BYJETP Letters

Interaction between Charge Density Waves in the Monoclinic Phase of NbS3

  • V. Ya. Pokrovskii
  • A.L. Vasiliev
  • N.B. Bolotina
  • A.G. Ivanova
  • S.V. Zaitsev-Zotov
  • S.G. Zybtsev
  • A.A. Sinchenko
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Abstract

In the monoclinic polytype NbS3-II, the monoclinic b-axis of which coincides with the direction of greatest conductivity, two charge density waves (CDWs) have been observed at room temperature: CDW-0 with the wave vector q 0 = 0.5a* + 0.352b* + 0.5c* and CDW-1 with the wave vector q 1 = 0.5a* + 0.298b* + 0.5c*. X‑ray diffraction patterns obtained in the temperature range of 90–500 K have shown that the vectors q 0 and q 1 depend on the temperature, but their b* coordinates satisfy the relation 2q0b*(T) + q1b*(T) = const = 1 . It has been concluded that the wave vector q 1 of CDW-1 is determined not only by the nesting of Fermi surfaces, but also by the vector q 0, because CDW-1 is adjusted to the second harmonic of CDW-0, which indicates the interaction between charge density waves. This conclusion has been confirmed by structural studies of NbS3-II samples, the lattice of which is strongly deformed due to a high concentration of twins. In these samples, CDW-0 is conserved, and the wave vector of CDW-1 has the b* component not related to q 0.

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Cite

BibTeXRIS
BibTeX
@article{pokrovskii2026interaction,
  title = {{Interaction between Charge Density Waves in the Monoclinic Phase of NbS3}},
  author = {V. Ya. Pokrovskii and A.L. Vasiliev and N.B. Bolotina and A.G. Ivanova and S.V. Zaitsev-Zotov and S.G. Zybtsev and A.A. Sinchenko},
  journal = {JETP Letters},
  year = {2026},
  month = nov,
  doi = {10.1134/s0021364025600156},
  url = {https://hal.science/hal-05853597v1},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - Interaction between Charge Density Waves in the Monoclinic Phase of NbS3
AU  - V. Ya. Pokrovskii
AU  - A.L. Vasiliev
AU  - N.B. Bolotina
AU  - A.G. Ivanova
AU  - S.V. Zaitsev-Zotov
AU  - S.G. Zybtsev
AU  - A.A. Sinchenko
PY  - 2026
DA  - 2026/11/05
JO  - JETP Letters
DO  - 10.1134/s0021364025600156
UR  - https://hal.science/hal-05853597v1
AB  - In the monoclinic polytype NbS3-II, the monoclinic b-axis of which coincides with the direction of greatest conductivity, two charge density waves (CDWs) have been observed at room temperature: CDW-0 with the wave vector q 0 = 0.5a* + 0.352b* + 0.5c* and CDW-1 with the wave vector q 1 = 0.5a* + 0.298b* + 0.5c*. X‑ray diffraction patterns obtained in the temperature range of 90–500 K have shown that the vectors q 0 and q 1 depend on the temperature, but their b* coordinates satisfy the relation 2q_0^b*(T) + q_1^b*(T) = const = 1 . It has been concluded that the wave vector q 1 of CDW-1 is determined not only by the nesting of Fermi surfaces, but also by the vector q 0, because CDW-1 is adjusted to the second harmonic of CDW-0, which indicates the interaction between charge density waves. This conclusion has been confirmed by structural studies of NbS3-II samples, the lattice of which is strongly deformed due to a high concentration of twins. In these samples, CDW-0 is conserved, and the wave vector of CDW-1 has the b* component not related to q 0.
SN  - 0021-3640
SN  - 1090-6487
ER  -