Effect of Uniaxial Tension of Whiskers of TaS3 Quasi-One-Dimensional Conductor on Excitation and Detection of Resonance Mechanical Oscillations
- Authors: Nikitin M.V.1, Pokrovskii V.Y.1, Zybtsev S.G.1
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Affiliations:
- Kotel’nikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences
- Issue: Vol 63, No 10 (2018)
- Pages: 1217-1221
- Section: Radio Phenomena in Solids and Plasma
- URL: https://journals.rcsi.science/1064-2269/article/view/199176
- DOI: https://doi.org/10.1134/S1064226918100157
- ID: 199176
Cite item
Abstract
Quasi-one-dimensional conductors with charge-density wave (CDW), which are used to excite and detect mechanical oscillations, are considered. The effect of elongation ε of whiskers of a quasi-one-dimensional conductor (orthorhombic TaS3) on the excited resonance oscillation modes is studied by means of heterodyning. Dependences of the oscillation frequency on ε allow one to distinguish bending and torsional modes. The magnitude of the detected signal increases sharply at εc ≈ 0.6% in the region of CDW transition into the ultracoherent (UC) state. This effect is attributed to an anomalously strong piezoresistive response; in the UC state (ε > εc), the signal virtually vanishes.
About the authors
M. V. Nikitin
Kotel’nikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences
Author for correspondence.
Email: nikitin@cplire.ru
Russian Federation, Moscow, 125009
V. Ya. Pokrovskii
Kotel’nikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences
Email: nikitin@cplire.ru
Russian Federation, Moscow, 125009
S. G. Zybtsev
Kotel’nikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences
Email: nikitin@cplire.ru
Russian Federation, Moscow, 125009