Features of Pinning of a Charge-Density Wave in Quasi-Two-Dimensional Compounds

Effects of the collective motion (sliding) of a charge density wave in the TbTe 3 quasi-two-dimensional conductor have been studied in a wide temperature interval. Immediately after cooling to temperatures below the Peierls transition temperature T CDW = 336 K, the threshold field E t of sliding ini...

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Bibliographic Details
Published in:JETP letters 2019-02, Vol.109 (3), p.203-206
Main Authors: Frolov, A. V., Orlov, A. P., Sinchenko, A. A., Monceau, P.
Format: Article
Language:English
Subjects:
Aging (artificial)
Atomic
Biological and Medical Physics
Biophysics
Charge density waves
Condensed Matter
Conductors
Molecular
Optical and Plasma Physics
Particle and Nuclear Physics
Physics
Physics and Astronomy
Pinning
Quantum Information Technology
Sliding
Solid State Physics
Spintronics
Temperature
Temperature dependence
Transition temperature
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Summary:Effects of the collective motion (sliding) of a charge density wave in the TbTe 3 quasi-two-dimensional conductor have been studied in a wide temperature interval. Immediately after cooling to temperatures below the Peierls transition temperature T CDW = 336 K, the threshold field E t of sliding initiation of the charge density wave has a nearly linear temperature dependence. The aging of samples at a fixed temperature T 0 < T CDW for several hours significantly modifies the sliding of the charge density wave. The threshold field increases significantly and the temperature dependence of E t becomes nonmonotonic, demonstrating a large maximum at T = T 0 . The observed effect is attributed to the aging-induced formation of an ordered structure (lattice) of defects of the charge density wave and to change in the pinning regime at the melting of this structure.
ISSN:0021-3640
1090-6487
DOI:10.1134/S002136401903010X