Electric field effects on vortex dynamics in ultrathin YBa2Cu3O7-δ films

A. Walkenhorst; C. Doughty; X. X. Xi; Qi Li; C. J. Lobb; S. N. Mao; T. Venkatesan

doi:10.1103/PhysRevLett.69.2709

Electric field effects on vortex dynamics in ultrathin YBa2Cu3O7-δ films

A. Walkenhorst, C. Doughty, X. X. Xi, Qi Li, C. J. Lobb, S. N. Mao, T. Venkatesan

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43 Scopus citations

Abstract

The effects of charge-carrier density modulation on critical currents and vortex dynamics in ultrathin YBa2Cu3O7-δ films were investigated through transport measurements in field-effect devices. Two distinct dissipation regions in resistive transitions in applied magnetic fields are identified by the electric-field effect. A Kosterlitz-Thouless-like transition is observed in zero magnetic field, which can be tuned by the electric field. The importance of thermal fluctuations for the dissipation in high-Tc superconductors is stressed.

Original language	English (US)
Pages (from-to)	2709-2712
Number of pages	4
Journal	Physical review letters
Volume	69
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevLett.69.2709
State	Published - 1992

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.69.2709

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abstract = "The effects of charge-carrier density modulation on critical currents and vortex dynamics in ultrathin YBa2Cu3O7-δ films were investigated through transport measurements in field-effect devices. Two distinct dissipation regions in resistive transitions in applied magnetic fields are identified by the electric-field effect. A Kosterlitz-Thouless-like transition is observed in zero magnetic field, which can be tuned by the electric field. The importance of thermal fluctuations for the dissipation in high-Tc superconductors is stressed.",

author = "A. Walkenhorst and C. Doughty and Xi, {X. X.} and Qi Li and Lobb, {C. J.} and Mao, {S. N.} and T. Venkatesan",

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language = "English (US)",

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T1 - Electric field effects on vortex dynamics in ultrathin YBa2Cu3O7-δ films

AU - Walkenhorst, A.

AU - Doughty, C.

AU - Xi, X. X.

AU - Li, Qi

AU - Lobb, C. J.

AU - Mao, S. N.

AU - Venkatesan, T.

PY - 1992

Y1 - 1992

N2 - The effects of charge-carrier density modulation on critical currents and vortex dynamics in ultrathin YBa2Cu3O7-δ films were investigated through transport measurements in field-effect devices. Two distinct dissipation regions in resistive transitions in applied magnetic fields are identified by the electric-field effect. A Kosterlitz-Thouless-like transition is observed in zero magnetic field, which can be tuned by the electric field. The importance of thermal fluctuations for the dissipation in high-Tc superconductors is stressed.

AB - The effects of charge-carrier density modulation on critical currents and vortex dynamics in ultrathin YBa2Cu3O7-δ films were investigated through transport measurements in field-effect devices. Two distinct dissipation regions in resistive transitions in applied magnetic fields are identified by the electric-field effect. A Kosterlitz-Thouless-like transition is observed in zero magnetic field, which can be tuned by the electric field. The importance of thermal fluctuations for the dissipation in high-Tc superconductors is stressed.

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JO - Physical review letters

JF - Physical review letters

IS - 18

ER -

Electric field effects on vortex dynamics in ultrathin YBa2Cu3O7-δ films

Abstract

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