Reviews of topical problems

High-frequency, ’quantum’ and electromechanical effects in quasi-one-dimensional charge density wave conductors

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Kotel'nikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, ul. Mokhovaya 11, kor. 7, Moscow, 125009, Russian Federation

Recent results (some previously unpublished) on the physics of charge density waves (CDWs) are reviewed. The synthesis conditions and unique properties of the quasi-one-dimensional compound NbS3, with highly coherent room temperature CDWs, are described. A peculiar type of ’quantization’ is discussed, which is observed in micro- and nanosamples of K0,3MoO3 and NbSe3 due to the discrete nature of CDW wave vector values. The electric-field-induced torsional strain (TS) in quasi-one-dimensional conductors is considered. Research results on the TS of a noise character induced by sliding CDWs are presented, along with those on the inverse effect, the modulation of the voltage induced by externally driven TS. Results on the nonlinear conduction of TiS3, a quasi-one-dimensional compound not belonging to the family of classical Peierls conductors, are also described.

Text can be downloaded in Russian. English translation is available on IOP Science.
PACS: 61.44.Fw, 62.25.−g, 71.45.Lr, 72.20.Fr, 73.20.Mf, 78.70.Gq (all)
DOI: 10.3367/UFNe.0183.201301b.0033
Citation: Pokrovskii V Ya, Zybtsev S G, Nikitin M V, Gorlova I G, Nasretdinova V F, Zaitsev-Zotov S V "High-frequency, 'quantum' and electromechanical effects in quasi-one-dimensional charge density wave conductors" Phys. Usp. 56 29–48 (2013)
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Received: 16th, December 2011, revised: 18th, July 2012, 15th, August 2012

Оригинал: Покровский В Я, Зыбцев С Г, Никитин М В, Горлова И Г, Насретдинова В Ф, Зайцев-Зотов С В «Высокочастотные, ‘квантовые’ и электромеханические эффекты в квазиодномерных кристаллах с волной зарядовой плотности» УФН 183 33–54 (2013); DOI: 10.3367/UFNr.0183.201301b.0033

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