Matching effect and dynamic phases of vortex matter in Bi 2Sr2CaCu2O8 nanoribbon with a periodic array of holes

S. Avci; Z. L. Xiao; J. Hua; A. Imre; R. Divan; J. Pearson; U. Welp; W. K. Kwok; G. W. Crabtree

doi:10.1063/1.3473783

Matching effect and dynamic phases of vortex matter in Bi ₂Sr₂CaCu₂O₈ nanoribbon with a periodic array of holes

S. Avci, Z. L. Xiao, J. Hua, A. Imre, R. Divan, J. Pearson, U. Welp, W. K. Kwok, G. W. Crabtree

Research output: Contribution to journal › Article › peer-review

48 Citations (Scopus)

Abstract

We report investigations on the dynamics of vortex matter with periodic pinning in crystalline Bi₂Sr₂CaCu₂O₈ nanoribbons containing an array of nanoscale holes. We found that the matching effect is enhanced near the melting field and persists to higher fields beyond the melting line. We attribute this enhancement to the existence of a soft-solid phase and a mixture of solid-liquid phases near the melting line, enabling the vortices to pin more effectively. We observed distinct regions in the voltage-current curves attributed to transitions of various dynamic phases which also account for the driving current dependent appearance of the matching effect.

Original language	English
Article number	042511
Journal	Applied Physics Letters
Volume	97
Issue number	4
DOIs	https://doi.org/10.1063/1.3473783
Publication status	Published - 26 Jul 2010
Externally published	Yes

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abstract = "We report investigations on the dynamics of vortex matter with periodic pinning in crystalline Bi2Sr2CaCu2O8 nanoribbons containing an array of nanoscale holes. We found that the matching effect is enhanced near the melting field and persists to higher fields beyond the melting line. We attribute this enhancement to the existence of a soft-solid phase and a mixture of solid-liquid phases near the melting line, enabling the vortices to pin more effectively. We observed distinct regions in the voltage-current curves attributed to transitions of various dynamic phases which also account for the driving current dependent appearance of the matching effect.",

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AU - Avci, S.

AU - Xiao, Z. L.

AU - Hua, J.

AU - Imre, A.

AU - Divan, R.

AU - Pearson, J.

AU - Welp, U.

AU - Kwok, W. K.

AU - Crabtree, G. W.

PY - 2010/7/26

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AB - We report investigations on the dynamics of vortex matter with periodic pinning in crystalline Bi2Sr2CaCu2O8 nanoribbons containing an array of nanoscale holes. We found that the matching effect is enhanced near the melting field and persists to higher fields beyond the melting line. We attribute this enhancement to the existence of a soft-solid phase and a mixture of solid-liquid phases near the melting line, enabling the vortices to pin more effectively. We observed distinct regions in the voltage-current curves attributed to transitions of various dynamic phases which also account for the driving current dependent appearance of the matching effect.

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JF - Applied Physics Letters

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ER -

Matching effect and dynamic phases of vortex matter in Bi ₂Sr₂CaCu₂O₈ nanoribbon with a periodic array of holes

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