Current oscillations in charge-density-wave transport

R. E. Thorne; W. G. Lyons; J. H. Miller; J. W. Lyding; J. R. Tucker

doi:10.1103/PhysRevB.34.5988

Current oscillations in charge-density-wave transport

R. E. Thorne, W. G. Lyons, J. H. Miller, J. W. Lyding, J. R. Tucker

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Abstract

Detailed measurements of current-oscillation phenomena in NbSe3 and TaS3 show that the harmonic content and amplitude of the oscillations remains large even at very high electric fields. These results are well described by overdamped motion in a nonsinusoidal pinning potential of the general type previously proposed by Bardeen. Transient "ringing" in the voltage response to a current pulse is attributed to charge-density-wave dephasing. This dephasing is associated with crystal defects, such as dislocations, and with contact effects.

Original language	English (US)
Pages (from-to)	5988-5991
Number of pages	4
Journal	Physical Review B
Volume	34
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevB.34.5988
State	Published - 1986

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Condensed Matter Physics

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doi = "10.1103/PhysRevB.34.5988",

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AU - Thorne, R. E.

AU - Lyons, W. G.

AU - Miller, J. H.

AU - Lyding, J. W.

AU - Tucker, J. R.

PY - 1986

Y1 - 1986

N2 - Detailed measurements of current-oscillation phenomena in NbSe3 and TaS3 show that the harmonic content and amplitude of the oscillations remains large even at very high electric fields. These results are well described by overdamped motion in a nonsinusoidal pinning potential of the general type previously proposed by Bardeen. Transient "ringing" in the voltage response to a current pulse is attributed to charge-density-wave dephasing. This dephasing is associated with crystal defects, such as dislocations, and with contact effects.

AB - Detailed measurements of current-oscillation phenomena in NbSe3 and TaS3 show that the harmonic content and amplitude of the oscillations remains large even at very high electric fields. These results are well described by overdamped motion in a nonsinusoidal pinning potential of the general type previously proposed by Bardeen. Transient "ringing" in the voltage response to a current pulse is attributed to charge-density-wave dephasing. This dephasing is associated with crystal defects, such as dislocations, and with contact effects.

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Current oscillations in charge-density-wave transport

Abstract

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