Switching and Phase-Slip Centers in Charge-Density-Wave Conductors

Hall, R.P.; Hundley, M. F.; Zettl, A.

doi:10.1103/physrevlett.56.2399

Cited by 45 publications

(4 citation statements)

References 12 publications

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“…At higher field the velocity of the CDW becomes large and the back-flow current due to normal carrier is not sufficient to screen the internal field, hence the damping is negligible and the CDW can slide undeformedly, giving low resistive (ON) state. Multistability in I -V characteristics has also been observed in semiconducting CDW materials [29].…”

mentioning

confidence: 83%

The tunable bistable and multistable memory effect in polymer nanowires

Rahman

Sanyal

2008

Nanotechnology

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Tunable bistable and multistable resistance switching in conducting polymer nanowires has been reported. These wires show reproducible switching transition under several READ-WRITE-ERASE cycles. The switching is observed at low temperature and the ON/OFF resistance ratio for the voltage biased switching transition was found to be more than 10(3). Current biased measurements show lower ON/OFF ratio and some of the nanowires exhibit a multistable switching transition in current biased measurements. The threshold voltage for switching and the ON/OFF resistance ratio can be tuned by changing doping concentration of the nanowires.

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mentioning

confidence: 83%

The tunable bistable and multistable memory effect in polymer nanowires

Rahman

Sanyal

2008

Nanotechnology

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“…The pinned and electrically driven CDW system first undergoes a transition into a plastically sliding state (at E T1 ), followed by a second hysteretic transition (at E T2 ) to a coherently moving CDW state [28]. Alternately, the hysteretic behavior in dc transport of DW based systems can also result from a phase slippage mechanism between weakly coupled CDW domains [29,30].…”

Section: Response and Depinning Of Density Wavesmentioning

confidence: 99%

Evidence of density waves in single-crystalline nanowires of pyrochlore iridates

2017

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We present experimental evidence of emergent density wave instability in single crystalline low dimensional wires of Yittrium based Pyrochlore Iridates. We demonstrate electric field induced nonlinear hysteretic switching of the density wave at low temperature, followed by smooth nonlinear conduction at higher temperature (T > 40 K) in Y2−xBixIr2O7 with x = 0 and 0.3. AC transport measurements reveal the presence of four different collective relaxation processes which dominate at different temperature scales. There is a strong coupling of the normal charge carriers with the density wave condensate, which is reflected in the linear scaling of the dc conductivity with the collective relaxation rate across a wide range of frequency and temperature regime. The evidence of density wave in low dimensional single crystals of Pyrochlore Iridate could be a precursor to the possible experimental confirmation of the Weyl semimetallic ground state with broken chiral symmetry.

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“…Switching in NbSe 3 was ascribed to the presence inside crystals of extended strong pinning centres which generates phase slippage [350]. Location of these pinning centres was determined by measuring the I-V characteristics with movable non-pertubating voltage electrodes [611]. On the contrary, in ref.…”

Section: Switching In Nbsementioning

confidence: 99%

Electronic crystals: an experimental overview

Monceau

2013

Preprint

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This article reviews the static and dynamic properties of spontaneous superstructures formed by electrons. Representations of such electronic crystals are charge density waves and spin density waves in inorganic as well as organic low dimensional materials. A special attention is paid to the collective effects in pinning and sliding of these superstructures, and the glassy properties at low temperature. Charge order and charge disproportionation which occur in organic materials resulting from correlation effects are analysed. Experiments under magnetic field, and more specifically field-induced charge density waves are discussed. Properties of meso-and nanostructures of charge density waves are also reviewed.

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Switching and Phase-Slip Centers in Charge-Density-Wave Conductors

Cited by 45 publications

References 12 publications

The tunable bistable and multistable memory effect in polymer nanowires

The tunable bistable and multistable memory effect in polymer nanowires

Evidence of density waves in single-crystalline nanowires of pyrochlore iridates

Electronic crystals: an experimental overview

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