Thermally Activated Dissipation in Bi2.2Sr2Ca0.8Cu2O8+δ

T.T.M. Palstra; B. Batlogg; L.F. Schneemeyer; J.V. Waszczak

doi:10.1103/PhysRevLett.61.1662

Thermally Activated Dissipation in Bi2.2Sr2Ca0.8Cu2O8+δ

T.T.M. Palstra, B. Batlogg, L.F. Schneemeyer, J.V. Waszczak

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Abstract

A new dissipation behavior is reported in superconducting Bi2.2Sr2Ca0.8Cu2O8+δ for all temperatures below Tc and all magnetic fields exceeding Hc1. The current-independent electrical resistivity is thermally activated and can be described by an Arrhenius law with a single prefactor and a magnetic-field- and orientation-dependent activation energy U0(H,φ). This behavior is markedly different from past observations and will be discussed in terms of flux creep and flux flow. This thermally activated behavior implies a finite resistance at all temperatures and all fields exceeding Hc1 determined by the activation energy as the only parameter.

Original language	English
Pages (from-to)	1662-1665
Number of pages	4
Journal	Physical review letters
Volume	61
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevLett.61.1662
Publication status	Published - 3 Oct 1988
Externally published	Yes

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abstract = "A new dissipation behavior is reported in superconducting Bi2.2Sr2Ca0.8Cu2O8+δ for all temperatures below Tc and all magnetic fields exceeding Hc1. The current-independent electrical resistivity is thermally activated and can be described by an Arrhenius law with a single prefactor and a magnetic-field- and orientation-dependent activation energy U0(H,φ). This behavior is markedly different from past observations and will be discussed in terms of flux creep and flux flow. This thermally activated behavior implies a finite resistance at all temperatures and all fields exceeding Hc1 determined by the activation energy as the only parameter.",

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AU - Palstra, T.T.M.

AU - Batlogg, B.

AU - Schneemeyer, L.F.

AU - Waszczak, J.V.

PY - 1988/10/3

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N2 - A new dissipation behavior is reported in superconducting Bi2.2Sr2Ca0.8Cu2O8+δ for all temperatures below Tc and all magnetic fields exceeding Hc1. The current-independent electrical resistivity is thermally activated and can be described by an Arrhenius law with a single prefactor and a magnetic-field- and orientation-dependent activation energy U0(H,φ). This behavior is markedly different from past observations and will be discussed in terms of flux creep and flux flow. This thermally activated behavior implies a finite resistance at all temperatures and all fields exceeding Hc1 determined by the activation energy as the only parameter.

AB - A new dissipation behavior is reported in superconducting Bi2.2Sr2Ca0.8Cu2O8+δ for all temperatures below Tc and all magnetic fields exceeding Hc1. The current-independent electrical resistivity is thermally activated and can be described by an Arrhenius law with a single prefactor and a magnetic-field- and orientation-dependent activation energy U0(H,φ). This behavior is markedly different from past observations and will be discussed in terms of flux creep and flux flow. This thermally activated behavior implies a finite resistance at all temperatures and all fields exceeding Hc1 determined by the activation energy as the only parameter.

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Thermally Activated Dissipation in Bi2.2Sr2Ca0.8Cu2O8+δ

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